/* roulang page: index */
:root {
            --ng-ink: #1B1C19;
            --ng-paper: #F7F5F0;
            --ng-surface: #FFFFFF;
            --ng-line: #E5E1D8;
            --ng-muted: #6E6E67;
            --ng-brand: #D34A2B;
            --ng-brand-soft: rgba(211, 74, 43, 0.08);
            --ng-radius: 8px;
            --ng-shadow: 0 18px 42px -22px rgba(27, 28, 25, 0.28);
            --ng-mono: "SFMono-Regular", "JetBrains Mono", "Roboto Mono", monospace;
            --bs-primary: var(--ng-brand);
            --bs-body-bg: var(--ng-paper);
            --bs-body-color: var(--ng-ink);
            --bs-border-color: var(--ng-line);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Inter", "SF Pro Display", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            background: var(--ng-paper);
            color: var(--ng-ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: var(--ng-ink);
            text-decoration: none;
            transition: color .2s ease;
        }

        a:hover {
            color: var(--ng-brand);
        }

        img {
            max-width: 100%;
            vertical-align: middle;
        }

        button,
        input {
            font: inherit;
        }

        :focus-visible {
            outline: 2px solid var(--ng-brand);
            outline-offset: 3px;
        }

        .container {
            max-width: 1280px;
        }

        main {
            display: block;
        }

        .section {
            padding: clamp(4.2rem, 8vw, 6.8rem) 0;
            position: relative;
        }

        .section-tight {
            padding: 3rem 0;
        }

        .sec-label {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--ng-mono);
            font-size: .8125rem;
            letter-spacing: .18em;
            text-transform: uppercase;
            color: var(--ng-muted);
            margin-bottom: .75rem;
        }

        .sec-label::before {
            content: "";
            width: 22px;
            height: 1px;
            background: var(--ng-brand);
        }

        .sec-title {
            font-size: clamp(1.65rem, 3.4vw, 2.4rem);
            font-weight: 700;
            letter-spacing: -0.035em;
            line-height: 1.2;
            margin-bottom: .5rem;
        }

        .sec-desc {
            color: var(--ng-muted);
            max-width: 560px;
            font-size: .95rem;
            margin-bottom: 0;
        }

        /* header */
        .ng-header {
            position: sticky;
            top: 0;
            z-index: 1080;
            background: rgba(247, 245, 240, 0.93);
            border-bottom: 1px solid var(--ng-line);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .ng-navbar {
            min-height: 76px;
            padding: .55rem 0;
        }

        .ng-brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            text-decoration: none;
        }

        .ng-brand:hover {
            color: var(--ng-ink);
        }

        .brand-orb {
            width: 42px;
            height: 42px;
            border: 1.5px solid var(--ng-ink);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            letter-spacing: -0.06em;
            line-height: 1;
            background: var(--ng-paper);
        }

        .brand-orb .orb-letter {
            margin-left: 2px;
        }

        .brand-text {
            font-weight: 700;
            letter-spacing: .08em;
            font-size: 1.02rem;
            color: var(--ng-ink);
        }

        .ng-nav-link {
            display: inline-block;
            padding: .5rem 0 .85rem;
            color: var(--ng-ink);
            font-size: .9375rem;
            letter-spacing: .05em;
            font-weight: 500;
            position: relative;
            text-decoration: none;
            white-space: nowrap;
        }

        .ng-nav-link:hover {
            color: var(--ng-brand);
        }

        .ng-nav-link.active::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: .2rem;
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--ng-brand);
            transform: translateX(-50%);
        }

        .ng-navlist {
            display: flex;
            gap: 2rem;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        @media (min-width:992px) {
            .ng-navlist {
                margin-right: .75rem;
            }
        }

        .ng-bookmark-action {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--ng-ink);
            transition: background .2s ease, color .2s ease;
        }

        .ng-bookmark-action:hover {
            background: var(--ng-brand-soft);
            color: var(--ng-brand);
        }

        @media (max-width:991.98px) {
            .ng-bookmark-action.desktop-only {
                display: none;
            }
        }

        .navbar-toggler {
            border: 0;
            background: transparent;
            box-shadow: none !important;
            width: 44px;
            height: 44px;
            padding: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 6px;
            border-radius: 50%;
        }

        .navbar-toggler:hover {
            background: var(--ng-brand-soft);
        }

        .navbar-toggler .bar {
            display: block;
            width: 18px;
            height: 1.5px;
            background: var(--ng-ink);
            transition: transform .2s ease;
        }

        .navbar-toggler[aria-expanded="true"] .bar:nth-child(1) {
            transform: translateY(3.5px) rotate(45deg);
        }

        .navbar-toggler[aria-expanded="true"] .bar:nth-child(2) {
            transform: rotate(-45deg);
        }

        .navbar-toggler[aria-expanded="true"] .bar:nth-child(3) {
            opacity: 0;
        }

        .mobile-bookmark {
            display: none;
        }

        @media (max-width:991.98px) {
            .ng-menu {
                background: var(--ng-paper);
                border-top: 1px solid var(--ng-line);
                margin-top: .75rem;
                padding-bottom: 1rem;
            }

            .ng-menu .ng-navlist {
                display: block;
            }

            .ng-menu .nav-item {
                border-bottom: 1px solid var(--ng-line);
            }

            .ng-menu .ng-nav-link {
                display: block;
                padding: .9rem .25rem;
                font-size: 1.125rem;
            }

            .ng-menu .ng-nav-link.active::after {
                display: none;
            }

            .ng-menu .ng-nav-link.active {
                color: var(--ng-brand);
            }

            .mobile-bookmark {
                display: inline-flex;
                margin: .75rem 0 0 .25rem;
            }
        }

        /* hero */
        .ng-hero {
            min-height: 86vh;
            padding: clamp(5rem, 10vw, 7.5rem) 0 6rem;
            background: linear-gradient(76deg, rgba(247, 245, 240, 0.92) 10%, rgba(247, 245, 240, 0.78) 58%, rgba(247, 245, 240, 0.64) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border-bottom: 1px solid var(--ng-line);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.5fr .5fr;
            gap: 2rem;
            align-items: center;
        }

        @media (max-width:991.98px) {
            .hero-grid {
                grid-template-columns: 1fr;
            }
        }

        .hero-mega {
            font-size: clamp(4.2rem, 13vw, 9.4rem);
            line-height: .86;
            font-weight: 800;
            letter-spacing: -0.08em;
            color: var(--ng-ink);
            display: block;
            margin-left: -0.05em;
        }

        .hero-cn {
            display: block;
            font-size: clamp(1.5rem, 4vw, 2.5rem);
            font-weight: 800;
            letter-spacing: -0.04em;
            line-height: 1.25;
            margin-top: .55rem;
        }

        .hero-lede {
            margin-top: 1.8rem;
            font-size: 1rem;
            color: var(--ng-muted);
            max-width: 610px;
            line-height: 1.9;
        }

        .hero-cta {
            margin-top: 2.2rem;
            display: flex;
            gap: .9rem;
            flex-wrap: wrap;
        }

        .btn-ng {
            border: 1px solid var(--ng-ink);
            background: var(--ng-ink);
            color: var(--ng-paper);
            height: 48px;
            padding: 0 1.6rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 40px;
            font-size: .9375rem;
            font-weight: 600;
            letter-spacing: .02em;
            text-decoration: none;
            transition: background .2s ease, color .2s ease, border-color .2s ease;
        }

        .btn-ng:hover {
            background: var(--ng-brand);
            border-color: var(--ng-brand);
            color: var(--ng-paper);
        }

        .btn-line {
            border: 1px solid var(--ng-ink);
            background: transparent;
            color: var(--ng-ink);
            height: 48px;
            padding: 0 1.6rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 40px;
            font-size: .9375rem;
            font-weight: 600;
            text-decoration: none;
            transition: background .2s ease, color .2s ease, border-color .2s ease;
        }

        .btn-line:hover {
            background: var(--ng-brand);
            border-color: var(--ng-brand);
            color: var(--ng-paper);
        }

        .hero-decor {
            position: relative;
            min-height: 240px;
            display: none;
        }

        @media (min-width:992px) {
            .hero-decor {
                display: block;
            }
        }

        .hero-ring {
            position: absolute;
            top: 10%;
            right: 4%;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            border: 1px solid rgba(211, 74, 43, 0.7);
            box-shadow: inset 0 0 0 30px rgba(211, 74, 43, 0.04);
        }

        .hero-ring::after {
            content: "";
            position: absolute;
            inset: 38px;
            border: 1px solid rgba(27, 28, 25, 0.18);
            border-radius: 50%;
        }

        .hero-ring::before {
            content: "";
            position: absolute;
            inset: 80px;
            border-radius: 50%;
            background: var(--ng-brand);
            opacity: .55;
        }

        .hero-scroll {
            margin-top: 3.4rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--ng-muted);
            font-family: var(--ng-mono);
            font-size: .72rem;
            letter-spacing: .16em;
        }

        .hero-scroll::before {
            content: "";
            width: 1px;
            height: 38px;
            background: var(--ng-muted);
            display: block;
        }

        /* collection index */
        .collection-list {
            border-top: 1px solid var(--ng-ink);
            margin-top: 2rem;
        }

        .collection-row {
            display: flex;
            align-items: center;
            gap: clamp(1rem, 3vw, 3rem);
            padding: 1.25rem .5rem;
            border-bottom: 1px solid var(--ng-line);
            text-decoration: none;
            transition: background .2s ease;
        }

        .collection-row:hover {
            background: var(--ng-surface);
        }

        .collection-idx {
            font-family: var(--ng-mono);
            font-size: clamp(1.5rem, 4vw, 2.6rem);
            font-weight: 300;
            letter-spacing: -0.06em;
            color: var(--ng-muted);
            min-width: 84px;
            transition: color .2s ease;
        }

        .collection-row:hover .collection-idx {
            color: var(--ng-brand);
        }

        .collection-main {
            flex: 1;
            min-width: 0;
        }

        .collection-main h3 {
            font-size: 1.15rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: .35rem;
            position: relative;
            display: inline-block;
        }

        .collection-main h3::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -3px;
            width: 0;
            height: 1px;
            background: var(--ng-brand);
            transition: width .2s ease-out;
        }

        .collection-row:hover .collection-main h3::after {
            width: 100%;
        }

        .collection-main p {
            color: var(--ng-muted);
            font-size: .92rem;
            margin-bottom: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            line-height: 1.6;
        }

        .collection-meta {
            color: var(--ng-muted);
            font-size: .8rem;
            font-family: var(--ng-mono);
            text-align: right;
            white-space: nowrap;
            letter-spacing: .04em;
        }

        @media (max-width:767.98px) {
            .collection-row {
                flex-wrap: wrap;
                align-items: flex-start;
                padding: 1.5rem .25rem;
            }

            .collection-idx {
                min-width: 0;
                width: 72px;
                font-size: 1.5rem;
            }

            .collection-main h3 {
                margin-top: .3rem;
            }

            .collection-main p {
                white-space: normal;
            }

            .collection-meta {
                width: 100%;
                padding-left: 72px;
                text-align: left;
                margin-top: -.5rem;
            }
        }

        /* featured */
        .ng-feature-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 1.5rem;
            align-items: stretch;
        }

        @media (max-width:991.98px) {
            .ng-feature-grid {
                grid-template-columns: 1fr;
            }
        }

        .feature-card {
            background: var(--ng-surface);
            border: 1px solid var(--ng-line);
            border-radius: 8px;
            overflow: hidden;
            position: relative;
            text-decoration: none;
            transition: box-shadow .2s ease, border-color .2s ease;
            display: flex;
            flex-direction: column;
        }

        .feature-card:hover {
            box-shadow: var(--ng-shadow);
            border-color: var(--ng-ink);
        }

        .feature-card .card-media-big {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: #EEE8DD;
        }

        .feature-card .card-media-big img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease-out;
        }

        .feature-card:hover .card-media-big img {
            transform: scale(1.03);
        }

        .feature-body {
            padding: 1.4rem 1.5rem 1.6rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .feature-tag {
            align-self: flex-start;
            display: inline-block;
            font-size: .76rem;
            letter-spacing: .06em;
            padding: .2rem .7rem;
            background: var(--ng-brand-soft);
            color: var(--ng-brand);
            border-radius: 20px;
            font-weight: 600;
            margin-bottom: .9rem;
        }

        .feature-card h3 {
            font-size: clamp(1.08rem, 2vw, 1.45rem);
            font-weight: 700;
            letter-spacing: -0.025em;
            line-height: 1.45;
            margin-bottom: .6rem;
        }

        .feature-card p {
            color: var(--ng-muted);
            font-size: .94rem;
            line-height: 1.8;
            flex: 1;
            margin-bottom: 1rem;
        }

        .feature-link {
            color: var(--ng-ink);
            font-weight: 600;
            font-size: .9rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: .3rem;
            transition: color .2s ease;
        }

        .feature-card:hover .feature-link {
            color: var(--ng-brand);
        }

        .feature-right-col {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .feature-card.mini {
            flex-direction: row;
            min-height: 0;
        }

        .feature-card.mini .card-media-mini {
            width: 42%;
            min-height: 140px;
            background: #EEE8DD;
            flex-shrink: 0;
        }

        .feature-card.mini .card-media-mini img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .feature-card.mini .feature-body {
            padding: 1.2rem 1.25rem;
            flex-direction: column;
        }

        .feature-card.mini h3 {
            font-size: 1rem;
        }

        .feature-card.mini p {
            font-size: .86rem;
            margin-bottom: .4rem;
        }

        @media (max-width:575.98px) {
            .feature-card.mini {
                flex-direction: column;
            }

            .feature-card.mini .card-media-mini {
                width: 100%;
                min-height: 160px;
            }
        }

        .feature-card.wide {
            margin-top: 1.5rem;
        }

        .feature-card.wide .card-media-wide {
            aspect-ratio: 21 / 5;
            width: 100%;
            overflow: hidden;
            background: #E8E2D6;
        }

        .feature-card.wide .card-media-wide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        @media (max-width:767.98px) {
            .feature-card.wide .card-media-wide {
                aspect-ratio: 16/6;
            }
        }

        /* latest */
        .ng-latest {
            background: var(--ng-surface);
            border-top: 1px solid var(--ng-line);
            border-bottom: 1px solid var(--ng-line);
        }

        .latest-list {
            border-top: 1px solid var(--ng-line);
            margin-top: 2.2rem;
        }

        .latest-row {
            display: flex;
            gap: 1.2rem;
            align-items: flex-start;
            padding: 1.4rem .5rem;
            border-bottom: 1px solid var(--ng-line);
            transition: background .2s ease;
            text-decoration: none;
        }

        .latest-row:hover {
            background: #FDFBF7;
        }

        .latest-date {
            flex: 0 0 86px;
            color: var(--ng-muted);
            font-family: var(--ng-mono);
            font-size: .76rem;
            line-height: 1.5;
            letter-spacing: .03em;
            padding-top: .25rem;
        }

        .latest-body {
            flex: 1;
            min-width: 0;
        }

        .latest-body h3 {
            font-size: 1.12rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: .3rem;
            transition: color .2s ease;
        }

        .latest-row:hover .latest-body h3 {
            color: var(--ng-brand);
        }

        .latest-body p {
            color: var(--ng-muted);
            font-size: .9rem;
            margin-bottom: .35rem;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .latest-tag {
            display: inline-block;
            font-size: .74rem;
            color: var(--ng-brand);
            background: var(--ng-brand-soft);
            padding: .1rem .65rem;
            border-radius: 20px;
            font-weight: 600;
        }

        .latest-arrow {
            flex-shrink: 0;
            color: var(--ng-muted);
            font-size: .9rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: .2rem;
            margin-top: .4rem;
            transition: color .2s ease;
        }

        .latest-row:hover .latest-arrow {
            color: var(--ng-brand);
        }

        @media (max-width:575.98px) {
            .latest-row {
                flex-wrap: wrap;
                gap: .5rem;
            }

            .latest-date {
                flex: none;
                width: 100%;
                padding-top: 0;
            }
        }

        .ng-empty {
            min-height: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--ng-paper);
            border-bottom: 1px solid var(--ng-line);
            border-radius: 8px;
            color: var(--ng-muted);
        }

        /* reading path */
        .path-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 2.2rem;
        }

        .path-step {
            border-top: 2px solid var(--ng-ink);
            padding-top: 1.2rem;
            position: relative;
        }

        .step-no {
            position: absolute;
            top: 1.1rem;
            left: 0;
            font-family: var(--ng-mono);
            font-size: .86rem;
            letter-spacing: .08em;
            color: var(--ng-brand);
        }

        .path-step h3 {
            font-size: 1.02rem;
            font-weight: 700;
            margin: 2.2rem 0 .5rem;
        }

        .path-step p {
            color: var(--ng-muted);
            font-size: .88rem;
            line-height: 1.7;
            margin: 0;
        }

        @media (max-width:991.98px) {
            .path-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width:575.98px) {
            .path-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
        }

        /* faq */
        .ng-faq {
            margin-top: 2rem;
        }

        .ng-faq .accordion-item {
            background: transparent;
            border: 0;
            border-bottom: 1px solid var(--ng-line);
        }

        .ng-faq .accordion-item:first-child {
            border-top: 1px solid var(--ng-line);
        }

        .ng-faq .accordion-button {
            background: transparent;
            box-shadow: none;
            color: var(--ng-ink);
            padding: 1.5rem 2.2rem 1.5rem 0;
            align-items: center;
            border-radius: 0;
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            position: relative;
            gap: 1rem;
            width: 100%;
            text-align: left;
            line-height: 1.6;
        }

        .ng-faq .accordion-button::after {
            content: none;
        }

        .faq-no {
            font-family: var(--ng-mono);
            font-size: .82rem;
            color: var(--ng-brand);
            letter-spacing: .06em;
            min-width: 44px;
            font-weight: 400;
        }

        .faq-icon {
            position: absolute;
            right: 0;
            top: 1.5rem;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--ng-ink);
        }

        .faq-icon svg {
            transition: transform .2s ease;
        }

        .accordion-button[aria-expanded="true"] .faq-icon svg {
            transform: rotate(45deg);
        }

        .ng-faq .accordion-body {
            padding: 0 3rem 1.5rem 3.4rem;
            color: var(--ng-ink);
            font-size: .94rem;
            line-height: 1.85;
        }

        @media (max-width:575.98px) {
            .ng-faq .accordion-button {
                font-size: .95rem;
            }

            .ng-faq .accordion-body {
                padding: 0 1rem 1.4rem 3.4rem;
            }

            .faq-no {
                min-width: 34px;
            }
        }

        /* CTA */
        .ng-cta {
            background: var(--ng-ink);
            color: var(--ng-paper);
            padding: clamp(4rem, 9vw, 6.5rem) 0;
            position: relative;
            overflow: hidden;
        }

        .ng-cta::before {
            content: "";
            position: absolute;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.18);
            right: -80px;
            top: -90px;
        }

        .ng-cta::after {
            content: "";
            position: absolute;
            width: 130px;
            height: 130px;
            border-radius: 50%;
            background: var(--ng-brand);
            left: 8%;
            bottom: -50px;
            opacity: 0.45;
        }

        .ng-cta h2 {
            font-size: clamp(1.7rem, 3.6vw, 2.5rem);
            font-weight: 800;
            letter-spacing: -0.04em;
            line-height: 1.25;
            margin-bottom: 1rem;
            max-width: 680px;
        }

        .ng-cta .cta-desc {
            color: rgba(247, 245, 240, 0.78);
            max-width: 620px;
            margin-bottom: 2rem;
        }

        .btn-paper {
            background: var(--ng-paper);
            color: var(--ng-ink);
            height: 50px;
            padding: 0 1.8rem;
            border: 0;
            border-radius: 40px;
            font-weight: 600;
            font-size: .95rem;
            display: inline-flex;
            align-items: center;
            gap: .45rem;
            text-decoration: none;
            transition: background .2s ease, color .2s ease;
        }

        .btn-paper:hover {
            background: var(--ng-brand);
            color: var(--ng-paper);
        }

        .btn-paper-outline {
            background: transparent;
            color: var(--ng-paper);
            height: 50px;
            padding: 0 1.8rem;
            border: 1px solid rgba(247, 245, 240, 0.6);
            border-radius: 40px;
            font-weight: 600;
            font-size: .95rem;
            display: inline-flex;
            align-items: center;
            gap: .45rem;
            text-decoration: none;
            transition: border-color .2s ease, background .2s ease;
        }

        .btn-paper-outline:hover {
            border-color: var(--ng-brand);
            background: var(--ng-brand);
            color: var(--ng-paper);
        }

        .cta-actions {
            display: flex;
            gap: .8rem;
            flex-wrap: wrap;
            margin-top: 1.6rem;
        }

        /* footer */
        .ng-footer {
            background: var(--ng-paper);
            border-top: 1px solid var(--ng-line);
            padding: clamp(3rem, 7vw, 5rem) 0 0;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 11px;
            margin-bottom: 1rem;
        }

        .footer-brand .brand-orb {
            width: 38px;
            height: 38px;
            font-size: .88rem;
            background: var(--ng-paper);
        }

        .footer-brand .brand-text {
            font-size: 1rem;
        }

        .footer-intro {
            color: var(--ng-muted);
            font-size: .9rem;
            max-width: 300px;
        }

        .footer-heading {
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: .12em;
            color: var(--ng-ink);
            text-transform: uppercase;
            margin-bottom: 1.2rem;
        }

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

        .footer-links li {
            margin-bottom: .7rem;
        }

        .footer-links a {
            color: var(--ng-muted);
            font-size: .9rem;
            text-decoration: none;
            transition: color .2s ease, padding-left .2s ease;
        }

        .footer-links a:hover {
            color: var(--ng-brand);
            padding-left: 3px;
        }

        .subscribe-wrap {
            margin-top: .5rem;
        }

        .subscribe-row {
            display: flex;
            border-bottom: 1px solid var(--ng-ink);
            align-items: center;
            gap: .4rem;
            padding: .45rem 0;
            max-width: 340px;
        }

        .subscribe-row input {
            border: 0;
            background: transparent;
            flex: 1;
            font-size: .9rem;
            color: var(--ng-ink);
            outline: none;
            padding: .3rem 0;
            box-shadow: none !important;
        }

        .subscribe-row input::placeholder {
            color: var(--ng-muted);
        }

        .subscribe-row button {
            border: 0;
            background: transparent;
            color: var(--ng-ink);
            font-weight: 600;
            letter-spacing: .04em;
            display: inline-flex;
            align-items: center;
            gap: .25rem;
            font-size: .86rem;
            padding: .25rem .2rem .25rem .5rem;
        }

        .subscribe-row button:hover {
            color: var(--ng-brand);
        }

        .footer-bottom {
            border-top: 1px solid var(--ng-line);
            padding: 1.4rem 0 1.6rem;
            margin-top: clamp(2.5rem, 5vw, 3.6rem);
            font-size: .8rem;
            color: var(--ng-muted);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: .5rem;
        }

        .footer-bottom a {
            color: var(--ng-muted);
        }

        .footer-bottom a:hover {
            color: var(--ng-brand);
        }

        .totop {
            display: inline-flex;
            align-items: center;
            gap: .3rem;
        }

        /* toast */
        .ng-toast {
            background: var(--ng-ink);
            color: var(--ng-paper);
            border: 0;
            border-radius: 10px;
            box-shadow: 0 14px 30px -10px rgba(0, 0, 0, 0.35);
        }

        .ng-toast .btn-close {
            filter: invert(1);
            opacity: .7;
        }

        .ng-toast .toast-body {
            padding: .9rem 1.25rem;
        }

/* roulang page: article */
:root {
            --ng-ink: #1B1C19;
            --ng-paper: #F7F5F0;
            --ng-surface: #FFFFFF;
            --ng-line: #E5E1D8;
            --ng-muted: #6E6E67;
            --ng-brand: #D34A2B;
            --ng-brand-soft: rgba(211, 74, 43, 0.08);
            --ng-font: -apple-system, BlinkMacSystemFont, "Inter", "SF Pro Display", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            --ng-mono: "SFMono-Regular", "JetBrains Mono", "Roboto Mono", monospace;
            --bs-body-bg: var(--ng-paper);
            --bs-body-color: var(--ng-ink);
            --bs-primary: var(--ng-brand);
            --bs-border-color: var(--ng-line);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--ng-font);
            background-color: var(--ng-paper);
            color: var(--ng-ink);
            line-height: 1.75;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--ng-ink);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--ng-brand);
        }
        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--ng-brand);
            outline-offset: 3px;
        }
        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
        }

        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ===== Header / Nav ===== */
        .ng-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background-color: rgba(247, 245, 240, 0.94);
            -webkit-backdrop-filter: blur(8px);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--ng-line);
        }

        .ng-navbar {
            min-height: 76px;
            padding-top: 0;
            padding-bottom: 0;
        }
        .ng-navbar .container {
            display: flex;
            align-items: center;
            flex-wrap: nowrap;
        }

        .ng-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--ng-ink);
            padding: 14px 0 14px 0;
            flex-shrink: 0;
        }
        .ng-brand:hover {
            color: var(--ng-ink);
        }
        .brand-orb {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            border: 1.5px solid var(--ng-ink);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }
        .brand-orb::after {
            content: "";
            position: absolute;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--ng-brand);
            top: 2px;
            right: 1px;
            border: 2px solid var(--ng-paper);
        }
        .orb-letter {
            font-size: 14px;
            font-weight: 800;
            letter-spacing: -0.04em;
            text-transform: uppercase;
            line-height: 1;
        }
        .brand-text {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .ng-menu {
            margin-left: auto;
        }

        .ng-navlist {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 38px;
            align-items: center;
        }
        .ng-navlist .nav-item {
            margin: 0;
            padding: 0;
        }
        .ng-nav-link {
            position: relative;
            display: inline-block;
            padding: 28px 0 22px 0;
            font-size: 0.9375rem;
            letter-spacing: 0.08em;
            color: var(--ng-ink);
            font-weight: 500;
            text-decoration: none;
            white-space: nowrap;
        }
        .ng-nav-link::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 14px;
            transform: translateX(-50%);
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--ng-brand);
            opacity: 0;
            transition: opacity 0.2s ease;
        }
        .ng-nav-link:hover {
            color: var(--ng-brand);
        }
        .ng-nav-link.active {
            color: var(--ng-ink);
            font-weight: 600;
        }
        .ng-nav-link.active::after {
            opacity: 1;
        }

        .ng-bookmark-action {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border: 1px solid transparent;
            border-radius: 50%;
            color: var(--ng-ink);
            transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
            text-decoration: none;
            flex-shrink: 0;
        }
        .ng-bookmark-action:hover {
            background-color: var(--ng-brand-soft);
            color: var(--ng-brand);
            border-color: rgba(211, 74, 43, 0.16);
        }
        .ng-bookmark-action.desktop-only {
            margin-left: 14px;
        }
        .mobile-bookmark {
            display: none;
        }

        .navbar-toggler.ng-toggler {
            border: none;
            padding: 10px;
            display: none;
            background: transparent;
        }
        .ng-toggler .bar {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--ng-ink);
            margin-bottom: 5px;
            border-radius: 2px;
            transition: all 0.2s ease;
        }
        .ng-toggler .bar:last-child {
            margin-bottom: 0;
        }
        .ng-toggler[aria-expanded="true"] .bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .ng-toggler[aria-expanded="true"] .bar:nth-child(2) {
            opacity: 0;
        }
        .ng-toggler[aria-expanded="true"] .bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Breadcrumb ===== */
        .ng-breadcrumb {
            padding: 27px 0 16px 0;
            font-size: 0.8125rem;
            color: var(--ng-muted);
            letter-spacing: 0.03em;
        }
        .ng-breadcrumb a {
            color: var(--ng-muted);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        .ng-breadcrumb a:hover {
            color: var(--ng-brand);
        }
        .ng-breadcrumb .sep {
            margin: 0 10px;
            color: var(--ng-line);
        }

        /* ===== Article Hero ===== */
        .article-hero {
            padding: 34px 0 48px 0;
            border-bottom: 1px solid var(--ng-line);
        }
        .article-hero-inner {
            max-width: 920px;
        }
        .article-cat-row {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 22px;
        }
        .article-cat-badge {
            display: inline-flex;
            align-items: center;
            background: var(--ng-brand-soft);
            border-radius: 999px;
            padding: 5px 16px;
            font-size: 0.825rem;
            font-weight: 600;
            color: var(--ng-brand);
            letter-spacing: 0.02em;
            text-decoration: none;
        }
        .article-cat-badge:hover {
            background: rgba(211, 74, 43, 0.16);
            color: var(--ng-brand);
        }

        .article-title {
            font-size: clamp(1.875rem, 4vw, 3rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.025em;
            margin: 0 0 22px 0;
            color: var(--ng-ink);
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--ng-muted);
        }
        .meta-sep {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: var(--ng-line);
            display: inline-block;
            margin: 0 8px;
        }

        /* ===== Article Body ===== */
        .article-main {
            padding: 52px 0 36px 0;
        }
        .article-content {
            max-width: 760px;
        }

        .article-body p {
            font-size: 1.0625rem;
            line-height: 1.85;
            color: var(--ng-ink);
            margin-bottom: 1.5rem;
        }
        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.4;
            margin: 3rem 0 1.4rem 0;
            color: var(--ng-ink);
        }
        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            line-height: 1.5;
            margin: 2rem 0 0.8rem 0;
            color: var(--ng-ink);
        }
        .article-body h4 {
            font-size: 1.0625rem;
            font-weight: 600;
            margin: 1.5rem 0 0.6rem 0;
            line-height: 1.6;
            color: var(--ng-ink);
        }
        .article-body strong {
            font-weight: 700;
        }
        .article-body em {
            font-style: normal;
            background: linear-gradient(transparent 60%, rgba(211, 74, 43, 0.18) 60%);
        }
        .article-body a {
            color: var(--ng-brand);
            text-decoration: none;
            border-bottom: 1px solid rgba(211, 74, 43, 0.35);
            transition: border-color 0.2s ease;
        }
        .article-body a:hover {
            border-bottom-color: var(--ng-brand);
        }
        .article-body blockquote {
            padding: 8px 0 8px 25px;
            border-left: 3px solid var(--ng-brand);
            margin: 1.8rem 0;
            font-size: 1.0625rem;
            color: #44443E;
            line-height: 1.8;
        }
        .article-body blockquote p {
            margin-bottom: 0.6rem;
        }
        .article-body blockquote p:last-child {
            margin-bottom: 0;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 1.5rem 0;
            padding-left: 1.6rem;
            font-size: 1.0625rem;
            line-height: 1.8;
        }
        .article-body li {
            margin-bottom: 0.45rem;
        }
        .article-body img {
            width: 100%;
            border-radius: 4px;
            margin: 1.8rem 0 0.5rem 0;
        }
        .article-body .wp-caption-text,
        .article-body .img-desc {
            font-size: 0.8125rem;
            text-align: center;
            color: var(--ng-muted);
            margin: 0.35rem 0 1.5rem 0;
            line-height: 1.6;
        }
        .article-body pre {
            background: #F1EFEA;
            border: 1px solid var(--ng-line);
            border-radius: 5px;
            padding: 20px;
            margin: 1.6rem 0;
            font-family: var(--ng-mono);
            font-size: 0.9rem;
            line-height: 1.7;
            overflow-x: auto;
            color: var(--ng-ink);
        }
        .article-body code {
            font-family: var(--ng-mono);
            font-size: 0.9em;
            background: #EFEDE8;
            padding: 2px 7px;
            border-radius: 3px;
            color: #A33A21;
        }
        .article-body pre code {
            padding: 0;
            background: none;
            color: inherit;
            border-radius: 0;
        }
        .article-body hr {
            border: none;
            border-top: 1px solid var(--ng-line);
            margin: 2.5rem 0;
        }
        .article-body iframe {
            max-width: 100%;
            border: 0;
            margin: 1.5rem 0;
        }

        .article-content-missing {
            max-width: 760px;
            padding: 60px 0;
            text-align: center;
        }
        .article-content-missing .missing-circle {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            border: 1px solid var(--ng-line);
            margin: 0 auto 18px auto;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--ng-muted);
            font-size: 28px;
            background: var(--ng-surface);
        }
        .article-content-missing p {
            font-size: 1.0625rem;
            color: var(--ng-muted);
            margin-bottom: 18px;
        }
        .btn-ghost {
            display: inline-block;
            border: 1px solid var(--ng-ink);
            border-radius: 0;
            padding: 11px 28px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--ng-ink);
            background: transparent;
            text-decoration: none;
            transition: all 0.2s ease-out;
        }
        .btn-ghost:hover {
            background: var(--ng-ink);
            color: var(--ng-paper);
            transform: translateY(-1px);
        }

        /* ===== Article Bottom Tools ===== */
        .article-bottom-tools {
            max-width: 760px;
            padding: 44px 0 16px;
            border-top: 1px solid var(--ng-line);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--ng-ink);
            text-decoration: none;
        }
        .back-link:hover {
            color: var(--ng-brand);
        }
        .back-link svg {
            transition: transform 0.2s ease;
        }
        .back-link:hover svg {
            transform: translateX(-4px);
        }
        .tool-actions {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .tool-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--ng-muted);
            padding: 8px 15px;
            border-radius: 999px;
            border: 1px solid transparent;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
            background: transparent;
            cursor: pointer;
            font-family: inherit;
        }
        .tool-btn:hover {
            color: var(--ng-ink);
            background: var(--ng-surface);
            border-color: var(--ng-line);
        }
        .tool-btn svg {
            transition: transform 0.2s ease;
        }
        .tool-btn:hover svg {
            transform: translateY(-1px);
        }

        /* ===== Related Reading ===== */
        .related-section {
            max-width: 1280px;
            padding: 58px 0 30px;
            margin-top: 36px;
            border-top: 1px solid var(--ng-line);
        }
        .related-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 8px;
        }
        .section-label {
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            color: var(--ng-brand);
            margin-bottom: 4px;
        }
        .related-title {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin: 0;
            color: var(--ng-ink);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
            margin-top: 28px;
        }
        .related-card {
            display: flex;
            flex-direction: column;
            background: var(--ng-surface);
            border: 1px solid var(--ng-line);
            border-radius: 6px;
            overflow: hidden;
            text-decoration: none;
            transition: border-color 0.24s ease, box-shadow 0.24s ease, transform 0.24s ease;
            color: var(--ng-ink);
            height: 100%;
        }
        .related-card:hover {
            border-color: var(--ng-ink);
            box-shadow: 0 8px 22px rgba(27, 28, 25, 0.06);
            transform: translateY(-3px);
            color: var(--ng-ink);
        }
        .related-thumb {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: #EBE8E1;
        }
        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .related-card:hover .related-thumb img {
            transform: scale(1.03);
        }
        .related-body {
            padding: 20px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-cat {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--ng-brand);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 9px;
        }
        .related-cat::before {
            content: "";
            width: 4px;
            height: 4px;
            background: var(--ng-brand);
            border-radius: 50%;
            display: inline-block;
        }
        .related-card-title {
            font-size: 1.0625rem;
            font-weight: 700;
            line-height: 1.5;
            margin: 0 0 8px 0;
            letter-spacing: -0.01em;
        }
        .related-desc {
            font-size: 0.875rem;
            color: var(--ng-muted);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }
        .related-meta {
            margin-top: 14px;
            font-size: 0.8125rem;
            color: var(--ng-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.02em;
        }

        /* ===== Footer ===== */
        .ng-footer {
            background-color: transparent;
            border-top: 1px solid var(--ng-line);
            padding: 60px 0 22px;
            margin-top: 70px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
            color: var(--ng-ink);
            font-weight: 700;
            font-size: 1.2rem;
        }
        .footer-brand .brand-orb {
            width: 36px;
            height: 36px;
            border-color: var(--ng-ink);
        }
        .footer-brand .orb-letter {
            font-size: 12px;
        }
        .footer-intro {
            font-size: 0.875rem;
            line-height: 1.75;
            color: var(--ng-muted);
            max-width: 300px;
            margin-bottom: 0;
        }
        .footer-heading {
            font-size: 0.9375rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
            color: var(--ng-ink);
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            position: relative;
            display: inline-block;
            font-size: 0.875rem;
            color: var(--ng-muted);
            text-decoration: none;
            transition: color 0.2s ease;
            padding: 1px 0;
        }
        .footer-links a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--ng-brand);
            transition: width 0.2s ease;
        }
        .footer-links a:hover {
            color: var(--ng-brand);
        }
        .footer-links a:hover::after {
            width: 100%;
        }
        .subscribe-wrap {
            max-width: 100%;
        }
        .subscribe-row {
            display: flex;
            align-items: baseline;
            border-bottom: 1px solid var(--ng-ink);
            padding-bottom: 6px;
            margin-top: 6px;
        }
        .subscribe-row input {
            flex: 1;
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.875rem;
            color: var(--ng-ink);
            padding: 6px 0;
            font-family: inherit;
        }
        .subscribe-row input::placeholder {
            color: #B3B0A8;
        }
        .subscribe-row button {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--ng-ink);
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px 0 6px 14px;
            font-family: inherit;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: color 0.2s ease;
        }
        .subscribe-row button:hover {
            color: var(--ng-brand);
        }
        .footer-bottom {
            border-top: 1px solid var(--ng-line);
            margin-top: 44px;
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.8125rem;
            color: var(--ng-muted);
        }
        .footer-bottom .totop {
            font-size: 0.8125rem;
            color: var(--ng-muted);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .footer-bottom .totop:hover {
            color: var(--ng-brand);
        }
        .footer-bottom span a {
            color: var(--ng-muted);
            text-decoration: none;
        }

        /* ===== Toast ===== */
        .ng-toast-wrap {
            position: fixed;
            bottom: 28px;
            right: 28px;
            z-index: 1100;
            display: flex;
            flex-direction: column;
            gap: 8px;
            pointer-events: none;
        }
        .ng-toast {
            background: var(--ng-ink);
            color: var(--ng-paper);
            font-size: 0.875rem;
            padding: 12px 22px;
            border-radius: 0;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.14);
            opacity: 0;
            transform: translateY(8px);
            transition: opacity 0.25s ease, transform 0.25s ease;
            min-width: 150px;
            text-align: center;
            pointer-events: auto;
        }
        .ng-toast.show {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== CTA mini section after article ===== */
        .article-cta {
            background: var(--ng-ink);
            color: var(--ng-paper);
            border-radius: 8px;
            padding: 50px 48px;
            margin: 70px 0 20px;
            position: relative;
            overflow: hidden;
        }
        .article-cta::before {
            content: "";
            position: absolute;
            width: 180px;
            height: 180px;
            border: 1px solid rgba(247, 245, 240, 0.14);
            border-radius: 50%;
            top: -70px;
            right: -50px;
        }
        .article-cta::after {
            content: "";
            position: absolute;
            width: 90px;
            height: 90px;
            border: 1px solid rgba(211, 74, 43, 0.35);
            border-radius: 50%;
            bottom: -30px;
            right: 110px;
        }
        .article-cta-wrap {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }
        .article-cta h2 {
            font-size: clamp(1.375rem, 2vw, 1.8rem);
            margin: 0;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--ng-paper);
        }
        .article-cta p {
            color: rgba(247, 245, 240, 0.72);
            font-size: 0.875rem;
            margin: 8px 0 0 0;
        }
        .btn-paper {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--ng-paper);
            color: var(--ng-ink);
            font-size: 0.9rem;
            font-weight: 700;
            padding: 12px 30px;
            text-decoration: none;
            border-radius: 0;
            transition: background-color 0.2s ease, color 0.2s ease;
            border: none;
        }
        .btn-paper:hover {
            background: var(--ng-brand);
            color: var(--ng-paper);
        }

        /* ===== Article JSON-LD container hidden ===== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .ng-navbar .navbar-toggler {
                display: block;
                border: none;
                padding: 12px;
            }
            .ng-navbar .navbar-toggler:focus {
                box-shadow: none;
            }
            .ng-navlist {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                width: 100%;
                padding: 10px 0 4px;
            }
            .ng-navlist .nav-item {
                border-bottom: 1px solid var(--ng-line);
            }
            .ng-navlist .nav-item:last-child {
                border-bottom: none;
            }
            .ng-nav-link {
                display: block;
                width: 100%;
                padding: 15px 0;
                font-size: 1.125rem;
                text-align: left;
                letter-spacing: 0.02em;
            }
            .ng-nav-link::after {
                display: none;
            }
            .ng-nav-link.active {
                color: var(--ng-brand);
                font-weight: 600;
                padding-left: 2px;
            }
            .ng-navbar .ng-menu {
                display: none;
            }
            .ng-navbar .ng-menu.show {
                display: flex;
            }
            .ng-menu {
                flex-basis: 100%;
                flex-grow: 1;
                align-items: flex-start;
                flex-direction: column;
            }
            .desktop-only {
                display: none !important;
            }
            .mobile-bookmark {
                display: inline-flex;
                margin: 0 4px 0 auto;
            }
            .navbar-toggler {
                order: 3;
            }
            .ng-menu {
                order: 4;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-cta {
                padding: 38px 30px;
            }
        }
        @media (max-width: 767px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-title {
                font-size: clamp(1.5rem, 5vw, 2rem);
            }
            .article-meta {
                font-size: 0.8125rem;
                gap: 4px;
            }
            .article-bottom-tools {
                flex-direction: column;
                align-items: flex-start;
            }
            .tool-actions {
                width: 100%;
                justify-content: flex-start;
            }
            .article-cta-wrap {
                flex-direction: column;
                align-items: flex-start;
            }
            .article-cta {
                padding: 30px 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .ng-breadcrumb {
                font-size: 0.75rem;
                padding-top: 16px;
            }
            .article-main {
                padding-top: 34px;
            }
        }
        @media (max-width: 520px) {
            .brand-text {
                font-size: 1.1rem;
            }
            .related-thumb {
                aspect-ratio: 16/9;
            }
            .article-body p {
                font-size: 1rem;
                line-height: 1.8;
            }
            .tool-btn span {
                white-space: nowrap;
            }
            .tool-btn {
                padding: 8px 12px;
                margin: 0 -2px;
            }
        }

        @media (min-width: 992px) {
            .navbar-expand-lg .navbar-collapse {
                display: flex !important;
                flex-basis: auto;
            }
            .navbar-expand-lg .navbar-toggler {
                display: none;
            }
        }

/* roulang page: category2 */
:root{
  --ng-ink:#1B1C19;
  --ng-paper:#F7F5F0;
  --ng-surface:#FFFFFF;
  --ng-line:#E5E1D8;
  --ng-muted:#6E6E67;
  --ng-brand:#D34A2B;
  --ng-brand-soft:rgba(211,74,43,0.08);
  --bs-primary:var(--ng-brand);
  --bs-body-bg:var(--ng-paper);
  --bs-body-color:var(--ng-ink);
  --ng-mono:"SFMono-Regular","JetBrains Mono","Roboto Mono",monospace;
  --ng-radius:6px;
  --ng-shadow:0 12px 40px -18px rgba(27,28,25,0.18);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--ng-paper);
  color:var(--ng-ink);
  font-family:-apple-system,BlinkMacSystemFont,"Inter","SF Pro Display","Segoe UI","PingFang SC","Hiragino Sans GB","Source Han Sans SC","Microsoft YaHei",sans-serif;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5,h6{font-weight:700;letter-spacing:-0.02em;line-height:1.25;margin:0}
p{margin:0}
.container{max-width:1280px}
.btn{transition:all .2s ease-out;border-radius:var(--ng-radius)}
.btn:focus-visible,.form-control:focus-visible,a:focus-visible,.accordion-button:focus-visible{
  outline:2px solid var(--ng-brand)!important;
  outline-offset:2px;
  box-shadow:none!important;
}
.text-muted{color:var(--ng-muted)!important}
.bg-ink{background:var(--ng-ink)!important;color:var(--ng-paper)}
.mono{font-family:var(--ng-mono)}

/* header */
.ng-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,245,240,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--ng-line);
}
.ng-navbar{
  min-height:76px;
  padding-top:0;padding-bottom:0;
}
.ng-brand{
  display:inline-flex;align-items:center;gap:12px;
  font-weight:750;font-size:1.2rem;letter-spacing:-.02em;
  color:var(--ng-ink);
}
.brand-orb{
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--ng-ink);
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;
  transition:background .2s ease,color .2s ease;
}
.brand-orb .orb-letter{
  font-family:var(--ng-mono);
  font-size:.82rem;font-weight:600;text-transform:lowercase;
}
.ng-brand:hover{color:var(--ng-ink)}
.ng-brand:hover .brand-orb{background:var(--ng-ink)}
.ng-brand:hover .brand-orb .orb-letter{color:var(--ng-paper)}
.brand-text{font-weight:650}
.ng-navlist{
  display:flex;list-style:none;margin:0;padding:0;gap:2rem;align-items:center;
}
.ng-nav-link{
  position:relative;
  color:var(--ng-ink);
  font-size:.9375rem;
  padding:1.55rem 0;
  letter-spacing:.06em;
  display:block;
  border-bottom:2px solid transparent;
  transition:color .2s ease;
}
.ng-nav-link:hover{
  color:var(--ng-brand);
}
.ng-nav-link.active{
  color:var(--ng-ink);
  border-bottom-color:var(--ng-brand);
}
.ng-bookmark-action{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  margin-left:12px;color:var(--ng-ink);
  transition:background .2s ease,color .2s ease;
}
.ng-bookmark-action:hover{background:var(--ng-brand-soft);color:var(--ng-brand)}
.mobile-bookmark{display:none}
.navbar-toggler{border:0;outline:none;width:44px;height:44px;display:none;flex-direction:column;justify-content:center;gap:5px;padding:0}
.navbar-toggler .bar{display:block;width:24px;height:2px;background:var(--ng-ink);margin:0 auto;transition:.25s ease;border-radius:2px}
.navbar-toggler:not(.collapsed) .bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.navbar-toggler:not(.collapsed) .bar:nth-child(2){opacity:0}
.navbar-toggler:not(.collapsed) .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.category-hero{
  padding:64px 0 42px;
  position:relative;
  border-bottom:1px solid var(--ng-line);
  background:
    radial-gradient(circle at 88% 26%,rgba(211,74,43,.08),transparent 150px),
    linear-gradient(180deg,var(--ng-paper),#FDFBF7);
}
.hero-eyebrow{
  font-family:var(--ng-mono);
  font-size:.75rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--ng-brand);
  margin-bottom:18px;
}
.hero-label{
  font-size:.875rem;
  font-family:var(--ng-mono);
  color:var(--ng-muted);
  letter-spacing:.12em;
  text-transform:uppercase;
  margin-bottom:14px;
}
.category-hero h1{
  font-size:clamp(2.4rem,5vw,4rem);
  font-weight:800;
  letter-spacing:-.03em;
  line-height:1.05;
  max-width:900px;
}
.category-hero .hero-lead{
  font-size:1.0625rem;
  max-width:720px;
  margin-top:28px;
  color:var(--ng-muted);
  line-height:1.8;
}
.hero-meta-tags{
  margin-top:30px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.tag-pill{
  display:inline-flex;align-items:center;
  border:1px solid var(--ng-line);
  background:var(--ng-surface);
  border-radius:100px;
  padding:7px 15px;
  font-size:.8125rem;
  color:var(--ng-muted);
  letter-spacing:.02em;
  transition:border-color .2s ease,color .2s ease;
}
.tag-pill:hover{border-color:var(--ng-brand);color:var(--ng-ink)}
.tag-pill.active{background:var(--ng-brand-soft);border-color:transparent;color:var(--ng-brand)}

/* section common */
.section-block{padding:70px 0 78px;border-bottom:1px solid var(--ng-line)}
.section-label{
  font-family:var(--ng-mono);font-size:.75rem;letter-spacing:.16em;
  color:var(--ng-brand);text-transform:uppercase;
  display:block;margin-bottom:12px;
}
.section-title{font-size:clamp(1.7rem,3vw,2.5rem);font-weight:800;letter-spacing:-.03em}
.section-desc{font-size:1rem;color:var(--ng-muted);margin-top:14px;max-width:780px}

/* bento cards */
.bento-card{
  position:relative;
  background:var(--ng-surface);
  border:1px solid var(--ng-line);
  border-radius:8px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  height:100%;
  box-shadow:0 1px 0 rgba(255,255,255,.6);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.bento-card:hover{
  border-color:var(--ng-ink);
  transform:translateY(-3px);
  box-shadow:var(--ng-shadow);
}
.bento-thumb{
  position:relative;
  width:100%;
  height:100%;
  min-height:200px;
  overflow:hidden;
  background:var(--ng-line);
}
.bento-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .3s ease-out;
}
.bento-card:hover .bento-thumb img{transform:scale(1.03)}
.bento-thumb::after{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(27,28,25,0) 58%,rgba(27,28,25,0.28) 100%);
}
.bento-body{padding:26px 26px 30px;display:flex;flex-direction:column;flex:1}
.bento-tag{
  display:inline-flex;align-items:center;
  align-self:flex-start;
  font-size:.75rem;letter-spacing:.08em;
  color:var(--ng-brand);
  background:var(--ng-brand-soft);
  padding:5px 12px;
  border-radius:100px;
  margin-bottom:16px;
}
.bento-title{font-size:1.5rem;font-weight:750;line-height:1.3;margin-bottom:12px}
.bento-card-lg .bento-title{font-size:1.75rem}
.bento-desc{color:var(--ng-muted);font-size:.9375rem;line-height:1.8;margin-bottom:20px}
.bento-more{
  color:var(--ng-ink);
  font-size:.875rem;
  font-weight:500;
  display:inline-flex;align-items:center;gap:8px;
  margin-top:auto;
}
.bento-more .arrow{transition:transform .2s ease}
.bento-card:hover .bento-more{color:var(--ng-brand)}
.bento-card:hover .bento-more .arrow{transform:translateX(4px)}
.bento-thumb-fixed{aspect-ratio:16/10;min-height:0;height:auto}.bento-thumb-fixed img{aspect-ratio:16/10}
.bento-offset{margin-top:64px}
.bento-third{margin-top:28px}
@media(max-width:991px){
  .bento-offset{margin-top:28px}
  .bento-third{margin-top:28px}
}
.card-sm .bento-title{font-size:1.25rem}

/* path section */
.path-section{
  background:var(--ng-paper);
  border-bottom:1px solid var(--ng-line);
  padding:76px 0;
}
.path-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-top:46px;
}
.path-item{
  position:relative;
  padding:22px 8px 0 0;
  border-top:1px solid var(--ng-line);
}
.path-num{
  font-family:var(--ng-mono);
  font-size:1rem;color:var(--ng-brand);
  display:block;margin-bottom:14px;
}
.path-item h3{font-size:1.05rem;font-weight:700;margin-bottom:8px}
.path-item p{color:var(--ng-muted);font-size:.875rem;line-height:1.7}
@media(max-width:991px){
  .path-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:575px){
  .path-grid{grid-template-columns:1fr}
}

/* context split */
.split-guide{
  background:var(--ng-surface);
  border-bottom:1px solid var(--ng-line);
}
.split-guide .context-card{
  border:1px solid var(--ng-line);
  border-radius:8px;
  background:var(--ng-surface);
  padding:30px;
  height:100%;
}
.guide-list{
  list-style:none;margin:24px 0 0;padding:0;
}
.guide-list li{
  border-top:1px solid var(--ng-line);
  padding:15px 0;
  display:flex;
  justify-content:space-between;
  gap:16px;
  font-size:.875rem;
}
.guide-list li:last-child{border-bottom:1px solid var(--ng-line)}
.guide-list .g-key{color:var(--ng-ink);font-weight:600;white-space:nowrap}
.guide-list .g-value{color:var(--ng-muted);text-align:right}
.color-quote{
  background:var(--ng-ink);
  color:var(--ng-paper);
  border-radius:10px;
  padding:44px 40px;
  height:100%;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.color-quote h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:750;line-height:1.2;margin-bottom:2rem}
.color-quote p{color:rgba(247,245,240,.78);font-size:.9375rem;line-height:1.85}
.color-quote .quote-mark{font-family:var(--ng-mono);font-size:.75rem;color:var(--ng-brand);letter-spacing:.16em;margin-bottom:14px}
@media(max-width:991px){.color-quote{margin-top:20px}}

/* FAQ */
.faq-section{
  padding:80px 0;
  border-bottom:1px solid var(--ng-line);
  background:var(--ng-paper);
}
.accordion-wrap{
  margin-top:36px;
  background:var(--ng-paper);
}
.ng-accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--ng-line);
  border-radius:0!important;
}
.ng-accordion-item:first-child{border-top:1px solid var(--ng-line)}
.ng-accordion-button{
  background:transparent;
  color:var(--ng-ink);
  padding:1.2rem 0;
  font-weight:600;
  font-size:1rem;
  display:flex;
  align-items:center;
  gap:16px;
  width:100%;
  border:0;
  text-align:left;
  position:relative;
  transition:color .2s ease;
}
.ng-accordion-button:hover{color:var(--ng-brand)}
.ng-accordion-button .acc-no{
  font-family:var(--ng-mono);
  font-size:.8125rem;
  color:var(--ng-muted);
  transition:color .2s;
  min-width:32px;
}
.ng-accordion-button .acc-icon{
  width:22px;height:22px;
  margin-left:auto;
  flex:0 0 22px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:1.2rem;font-weight:300;
  transition:transform .2s ease,color .2s;
  color:var(--ng-ink);
}
.ng-accordion-button:not(.collapsed){background:transparent;color:var(--ng-ink);box-shadow:none}
.ng-accordion-button:not(.collapsed) .acc-icon{transform:rotate(45deg);color:var(--ng-brand)}
.ng-accordion-button:not(.collapsed) .acc-no{color:var(--ng-brand)}
.ng-accordion-collapse .body{
  padding:2px 0 24px 48px;
  color:var(--ng-muted);
  font-size:.9375rem;
  line-height:1.85;
  max-width:780px;
}

/* cta */
.cta-block{
  background:var(--ng-ink);
  color:var(--ng-paper);
  padding:80px 0;
  position:relative;
  overflow:hidden;
}
.cta-orb{
  position:absolute;
  width:240px;height:240px;
  border:1px solid rgba(247,245,240,.12);
  border-radius:50%;
  top:-80px;right:-40px;
}
.cta-orb::after{
  content:"";
  position:absolute;
  inset:32px;
  border:1px solid rgba(211,74,43,.4);
  border-radius:50%;
}
.cta-block h2{
  font-size:clamp(2rem,4vw,3rem);
  letter-spacing:-.03em;
  max-width:620px;
  line-height:1.12;
  margin-bottom:22px;
  position:relative;z-index:2;
}
.cta-block p{color:rgba(247,245,240,.72);max-width:600px;position:relative;z-index:2}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;position:relative;z-index:2}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 24px;
  border-radius:100px;
  font-weight:600;
  font-size:.9375rem;
  border:1px solid transparent;
}
.btn-light-solid{
  background:var(--ng-paper);
  color:var(--ng-ink);
  border-color:var(--ng-paper);
}
.btn-light-solid:hover{background:var(--ng-brand);border-color:var(--ng-brand);color:#fff}
.btn-outline-paper{
  border-color:rgba(247,245,240,.5);
  color:var(--ng-paper);
  background:transparent;
}
.btn-outline-paper:hover{background:rgba(247,245,240,.1);border-color:var(--ng-paper)}
.btn-outline-dark{
  border-color:var(--ng-line);
  color:var(--ng-ink);
}
.btn-outline-dark:hover{border-color:var(--ng-ink);background:var(--ng-ink);color:var(--ng-paper)}

/* footer */
.ng-footer{
  background:var(--ng-paper);
  color:var(--ng-ink);
  padding:66px 0 32px;
  border-top:1px solid var(--ng-line);
}
.ng-footer .footer-brand{margin-bottom:1.2rem}
.footer-intro{
  color:var(--ng-muted);
  font-size:.875rem;
  line-height:1.8;
  max-width:280px;
  margin:0 0 1rem;
  letter-spacing:-.01em;
}
.footer-heading{
  font-size:.8125rem;
  font-weight:700;
  letter-spacing:.14em;
  margin-bottom:1.25rem;
  color:var(--ng-ink);
  text-transform:uppercase;
}
.footer-links{
  list-style:none;padding:0;margin:0;
  display:flex;flex-direction:column;gap:10px;
}
.footer-links a{
  color:var(--ng-muted);
  font-size:.9rem;
  transition:color .2s ease;
  display:inline-flex;
}
.footer-links a:hover{color:var(--ng-brand)}
.subscribe-wrap{
  max-width:300px;
}
.subscribe-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-bottom:1px solid var(--ng-line);
  transition:border-color .2s ease;
}
.subscribe-row:focus-within{border-color:var(--ng-brand)}
.subscribe-row input{
  flex:1;
  border:0;
  background:transparent;
  color:var(--ng-ink);
  padding:10px 0;
  min-width:0;
  font-size:.9rem;
}
.subscribe-row input::placeholder{color:var(--ng-muted)}
.subscribe-row input:focus{outline:0}
.subscribe-row button{
  background:none;border:0;
  color:var(--ng-brand);
  font-weight:600;
  font-size:.9rem;
  padding:10px 0 10px 14px;
}
.subscribe-row button:hover{color:var(--ng-ink)}
.footer-bottom{
  margin-top:52px;
  padding-top:24px;
  border-top:1px solid var(--ng-line);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:.8125rem;
  color:var(--ng-muted);
}
.footer-bottom a{color:var(--ng-muted)}
.footer-bottom a:hover{color:var(--ng-brand)}

/* image fallback */
.bento-thumb{
  background:linear-gradient(135deg,#EDE9E1 0%,#DCD7CC 100%);
  position:relative;
}
.bento-thumb::before{
  content:"⌕";
  position:absolute;
  top:50%;left:50%;
  transform:translate(-50%,-50%);
  font-size:2rem;
  opacity:.3;
  color:var(--ng-ink);
  z-index:1;
}
.bento-thumb img{position:relative;z-index:2}

@media(max-width:991px){
  .ng-navbar .ng-menu{
    border-top:1px solid var(--ng-line);
    padding-top:10px;
    padding-bottom:10px;
    background:var(--ng-paper);
  }
  .ng-navlist{display:flex;flex-direction:column;width:100%;gap:0;padding:8px 0}
  .ng-nav-link{
    display:block;padding:1rem 0;
    border-bottom:1px solid var(--ng-line);
    width:100%;
    letter-spacing:.02em;
  }
  .ng-nav-link{border-bottom-color:var(--ng-line)}
  .ng-nav-link.active{border-bottom-width:2px;border-bottom-color:var(--ng-brand)}
  .ng-bookmark-action{margin-left:0;margin-top:8px}
  .desktop-only{display:none!important}
  .navbar-toggler{display:flex}
}
@media(max-width:575px){
  .section-block{padding:56px 0 64px}
  .category-hero{padding:48px 0 36px}
  .category-hero .hero-lead{margin-top:20px;font-size:1rem}
  .ng-brand{font-size:1.05rem}
}

/* roulang page: category1 */
:root {
        --ng-ink: #1B1C19;
        --ng-paper: #F7F5F0;
        --ng-surface: #FFFFFF;
        --ng-line: #E5E1D8;
        --ng-muted: #6E6E67;
        --ng-brand: #D34A2B;
        --ng-brand-soft: rgba(211, 74, 43, 0.08);
        --ng-mono: "SFMono-Regular", "JetBrains Mono", "Roboto Mono", "Consolas", monospace;
        --ng-radius: 6px;
        --ng-shadow: 0 12px 30px rgba(27, 28, 25, 0.04);
        --bs-primary: var(--ng-brand);
        --bs-body-bg: var(--ng-paper);
        --bs-body-color: var(--ng-ink);
        --bs-border-color: var(--ng-line);
        --bs-link-color: var(--ng-ink);
        --bs-link-hover-color: var(--ng-brand);
    }

    html {
        scroll-behavior: smooth;
    }

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

    body {
        margin: 0;
        background: var(--ng-paper);
        color: var(--ng-ink);
        font-family: -apple-system, BlinkMacSystemFont, "Inter", "SF Pro Display", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
        font-size: 1rem;
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }

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

    a {
        color: inherit;
        text-decoration: none;
        transition: color .2s ease-out;
    }

    button,
    input {
        font-family: inherit;
    }

    :focus-visible {
        outline: 2px solid var(--ng-brand);
        outline-offset: 2px;
    }

    .container {
        max-width: 1280px;
    }

    .text-accent {
        color: var(--ng-brand);
    }

    .section {
        padding: 84px 0;
    }

    .section-soft {
        background: rgba(255, 255, 255, 0.36);
        border-top: 1px solid var(--ng-line);
        border-bottom: 1px solid var(--ng-line);
    }

    .section-kicker {
        font-family: var(--ng-mono);
        font-size: 0.78rem;
        letter-spacing: 0.18em;
        color: var(--ng-brand);
        text-transform: uppercase;
        margin-bottom: 14px;
    }

    .section-title {
        font-size: clamp(1.6rem, 3.2vw, 2.4rem);
        font-weight: 700;
        letter-spacing: -0.03em;
        line-height: 1.25;
        margin-bottom: 16px;
    }

    .section-desc {
        color: var(--ng-muted);
        max-width: 640px;
        font-size: 1rem;
        margin-bottom: 0;
    }

    .section-head {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: end;
        gap: 24px;
        margin-bottom: 34px;
    }

    .section-head-main {
        max-width: 690px;
    }

    /* 全站 Header */
    .ng-header {
        position: sticky;
        top: 0;
        z-index: 1040;
        background: rgba(247, 245, 240, 0.93);
        border-bottom: 1px solid var(--ng-line);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
    }

    .ng-navbar {
        min-height: 76px;
        padding-top: 0;
        padding-bottom: 0;
    }

    .ng-brand,
    .footer-brand {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        color: var(--ng-ink);
        font-weight: 750;
        letter-spacing: -0.01em;
    }

    .ng-brand .brand-orb,
    .footer-brand .brand-orb {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        border: 1px solid var(--ng-ink);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--ng-paper);
        transition: background .2s ease-out, border-color .2s ease-out;
        flex: 0 0 auto;
    }

    .ng-brand:hover .brand-orb,
    .footer-brand .brand-orb {
        border-color: var(--ng-brand);
    }

    .brand-orb .orb-letter {
        font-family: var(--ng-mono);
        font-size: 0.86rem;
        line-height: 1;
        letter-spacing: -0.08em;
        color: var(--ng-ink);
        transform: translateX(-1px);
    }

    .ng-brand .brand-text,
    .footer-brand .brand-text {
        font-size: 1.05rem;
    }

    .navbar-toggler {
        width: 44px;
        height: 44px;
        padding: 12px;
        border: none;
        box-shadow: none;
        border-radius: 50%;
        background: transparent;
        display: inline-flex;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
    }

    .navbar-toggler .bar {
        display: block;
        width: 100%;
        height: 1.7px;
        background: var(--ng-ink);
        border-radius: 2px;
        transition: transform .2s ease-out, opacity .2s ease-out;
    }

    .navbar-toggler:focus {
        box-shadow: none;
    }

    .ng-navlist {
        display: flex;
        align-items: center;
        gap: 34px;
        margin: 0;
        padding: 0;
        list-style: none;
    }

    .ng-nav-link {
        position: relative;
        display: inline-block;
        padding: 26px 0 22px;
        font-size: 0.95rem;
        font-weight: 500;
        letter-spacing: 0.06em;
        color: var(--ng-ink);
    }

    .ng-nav-link::after {
        content: "";
        width: 5px;
        height: 5px;
        border-radius: 50%;
        background: var(--ng-brand);
        position: absolute;
        bottom: 8px;
        left: 50%;
        transform: translateX(-50%) scale(0);
        transition: transform .2s ease-out .02s;
    }

    .ng-nav-link:hover,
    .ng-nav-link.active {
        color: var(--ng-ink);
    }

    .ng-nav-link:hover::after,
    .ng-nav-link.active::after {
        transform: translateX(-50%) scale(1);
    }

    .ng-bookmark-action {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        border-radius: 50%;
        color: var(--ng-ink);
        border: 1px solid transparent;
        transition: background .2s ease-out, color .2s ease-out, border-color .2s ease-out;
    }

    .ng-bookmark-action:hover {
        background: var(--ng-brand-soft);
        color: var(--ng-brand);
        border-color: rgba(211, 74, 43, 0.16);
    }

    .mobile-bookmark {
        display: none;
    }

    .desktop-only {
        display: inline-flex;
        margin-left: 6px;
    }

    /* 分类页首屏 */
    .category-hero {
        position: relative;
        border-bottom: 1px solid var(--ng-line);
        overflow: hidden;
        background:
            radial-gradient(circle at 86% 18%, rgba(211, 74, 43, 0.05), transparent 24rem),
            var(--ng-paper);
    }

    .category-hero::before {
        content: "";
        width: 240px;
        height: 240px;
        border: 1px solid var(--ng-line);
        border-radius: 50%;
        position: absolute;
        right: 5%;
        top: -96px;
        pointer-events: none;
    }

    .category-hero .hero-inner {
        min-height: 360px;
        padding-top: 56px;
        padding-bottom: 56px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: 40px;
        position: relative;
        z-index: 1;
    }

    .category-hero .hero-copy {
        max-width: 620px;
    }

    .hero-cat-label {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-family: var(--ng-mono);
        font-size: 0.82rem;
        color: var(--ng-brand);
        letter-spacing: 0.12em;
        text-transform: uppercase;
        margin-bottom: 18px;
    }

    .hero-cat-label::before {
        content: "";
        width: 7px;
        height: 7px;
        background: var(--ng-brand);
        border-radius: 50%;
    }

    .category-hero h1 {
        font-size: clamp(2rem, 4.4vw, 3.5rem);
        font-weight: 800;
        letter-spacing: -0.045em;
        line-height: 1.08;
        margin: 0 0 18px;
    }

    .category-hero h1 .hero-mark {
        color: var(--ng-brand);
    }

    .category-hero .hero-subtitle {
        color: var(--ng-muted);
        font-size: 1.05rem;
        line-height: 1.85;
        margin: 0 0 22px;
        max-width: 540px;
    }

    .hero-meta-line {
        display: flex;
        flex-wrap: wrap;
        gap: 12px 22px;
        margin-top: 12px;
    }

    .hero-meta-line .meta-item {
        font-family: var(--ng-mono);
        font-size: 0.8rem;
        color: var(--ng-muted);
        letter-spacing: 0.05em;
    }

    .hero-meta-line .meta-item strong {
        color: var(--ng-ink);
        font-weight: 600;
    }

    .cat-hero-media {
        position: relative;
        min-height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .hero-photo {
        width: 100%;
        max-width: 480px;
        aspect-ratio: 4 / 3;
        object-fit: cover;
        border-radius: 10px;
        border: 1px solid var(--ng-line);
        box-shadow: 0 30px 60px rgba(27, 28, 25, 0.10);
        position: relative;
        z-index: 1;
    }

    .cat-hero-media::before {
        content: "";
        width: 86%;
        height: 116%;
        border: 1px solid var(--ng-line);
        border-radius: 14px;
        position: absolute;
        top: -5%;
        right: 2%;
        transform: rotate(-2deg);
        pointer-events: none;
    }

    /* 条目目录 */
    .entry-section {
        padding: 86px 0 90px;
    }

    .entry-list {
        margin-top: 26px;
    }

    .entry-row {
        position: relative;
        display: grid;
        grid-template-columns: 112px 132px 1fr 76px;
        align-items: center;
        column-gap: 22px;
        padding: 26px 14px 26px 8px;
        border-bottom: 1px solid var(--ng-line);
        transition: background .2s ease-out, border-radius .2s ease-out, box-shadow .2s ease-out;
    }

    .entry-row:first-child {
        border-top: 1px solid var(--ng-line);
    }

    .entry-row:hover,
    .entry-row:focus-within {
        background: var(--ng-surface);
        box-shadow: var(--ng-shadow);
        border-radius: 6px;
    }

    .entry-date {
        font-family: var(--ng-mono);
        font-size: 0.84rem;
        color: var(--ng-muted);
        letter-spacing: 0.04em;
    }

    .entry-cat {
        display: inline-block;
        font-size: 0.76rem;
        line-height: 1;
        padding: 6px 10px;
        border: 1px solid var(--ng-line);
        border-radius: 999px;
        color: var(--ng-muted);
        background: transparent;
        width: fit-content;
        letter-spacing: 0.02em;
        white-space: nowrap;
    }

    .entry-content h3 {
        margin: 0 0 5px;
        font-size: clamp(1.1rem, 1.6vw, 1.35rem);
        font-weight: 650;
        letter-spacing: -0.02em;
        line-height: 1.4;
    }

    .entry-content h3 a {
        transition: color .2s ease-out;
    }

    .entry-content h3 a::after {
        content: "";
        position: absolute;
        inset: 0;
        z-index: 1;
    }

    .entry-content h3 a:hover {
        color: var(--ng-brand);
    }

    .entry-summary {
        font-size: 0.925rem;
        color: var(--ng-muted);
        margin: 0;
        line-height: 1.75;
        max-width: 70ch;
        overflow: hidden;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
    }

    .entry-go {
        font-size: 0.875rem;
        color: var(--ng-muted);
        text-align: right;
        transition: color .2s ease-out;
        white-space: nowrap;
    }

    .entry-go::after {
        content: "";
        position: absolute;
        inset: 0;
        z-index: 2;
    }

    .entry-row:hover .entry-go,
    .entry-row:focus-within .entry-go {
        color: var(--ng-brand);
    }

    .entry-go svg {
        display: inline-block;
        vertical-align: -1px;
    }

    /* 阅读路径 */
    .route-section {
        background: var(--ng-surface);
        border-top: 1px solid var(--ng-line);
        border-bottom: 1px solid var(--ng-line);
        padding: 90px 0;
    }

    .route-wrap {
        display: grid;
        grid-template-columns: 1fr 56px 1fr 56px 1fr;
        align-items: stretch;
        gap: 18px;
        margin-top: 38px;
    }

    .route-node {
        border-top: 2px solid var(--ng-ink);
        padding: 24px 14px 6px 2px;
        position: relative;
    }

    .route-index {
        font-family: var(--ng-mono);
        font-size: 0.85rem;
        color: var(--ng-brand);
        letter-spacing: 0.08em;
    }

    .route-node h3 {
        font-size: 1.2rem;
        font-weight: 700;
        margin: 12px 0 10px;
        letter-spacing: -0.02em;
    }

    .route-node p {
        font-size: 0.94rem;
        color: var(--ng-muted);
        margin: 0;
        line-height: 1.75;
    }

    .route-connector {
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--ng-line);
    }

    .route-connector::before {
        content: "";
        display: block;
        width: 52px;
        border-top: 1px dashed var(--ng-line);
    }

    .route-connector::after {
        content: "→";
        width: 34px;
        height: 34px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--ng-muted);
        font-size: 0.85rem;
    }

    /* 检查清单 */
    .scope-section {
        padding: 90px 0;
    }

    .scope-layout {
        display: grid;
        grid-template-columns: 0.8fr 1.2fr;
        gap: 60px;
        align-items: start;
    }

    .scope-intro .section-title {
        margin-bottom: 18px;
    }

    .scope-intro p {
        color: var(--ng-muted);
        line-height: 1.8;
        margin-bottom: 26px;
    }

    .scope-note {
        font-family: var(--ng-mono);
        font-size: 0.78rem;
        color: var(--ng-brand);
        letter-spacing: 0.12em;
        text-transform: uppercase;
    }

    .scope-check-list {
        list-style: none;
        margin: 0;
        padding: 0;
        border-top: 1px solid var(--ng-line);
    }

    .scope-check-list li {
        display: flex;
        gap: 16px;
        padding: 19px 4px;
        border-bottom: 1px solid var(--ng-line);
    }

    .check-mark {
        flex: 0 0 auto;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 26px;
        height: 26px;
        border-radius: 50%;
        background: var(--ng-brand-soft);
        color: var(--ng-brand);
        font-size: 0.82rem;
        margin-top: 2px;
    }

    .scope-check-list li div {
        font-size: 0.96rem;
        line-height: 1.7;
        color: var(--ng-ink);
    }

    /* FAQ */
    .faq-section {
        background: var(--ng-paper);
        padding: 92px 0;
    }

    .faq-layout {
        max-width: 980px;
        margin: 0 auto;
    }

    .ng-faq {
        margin-top: 30px;
    }

    .ng-faq .accordion-item {
        background: transparent;
        border: 0;
        border-bottom: 1px solid var(--ng-line);
    }

    .ng-faq .accordion-button {
        background: transparent;
        color: var(--ng-ink);
        box-shadow: none;
        font-weight: 600;
        font-size: 1.04rem;
        letter-spacing: -0.01em;
        padding: 24px 6px;
        display: flex;
        align-items: center;
        gap: 14px;
        border-radius: 0;
    }

    .ng-faq .accordion-button:not(.collapsed)::after,
    .ng-faq .accordion-button::after {
        content: none;
        background: none;
    }

    .ng-faq .accordion-button:focus-visible {
        outline: 2px solid var(--ng-brand);
        outline-offset: 2px;
    }

    .faq-number {
        font-family: var(--ng-mono);
        font-size: 0.78rem;
        color: var(--ng-brand);
        letter-spacing: 0.06em;
        min-width: 28px;
    }

    .faq-q {
        font-size: 1.01rem;
        font-weight: 650;
    }

    .faq-toggle-icon {
        margin-left: auto;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 26px;
        height: 26px;
        border-radius: 50%;
        border: 1px solid var(--ng-line);
        color: var(--ng-ink);
        font-size: 1.1rem;
        line-height: 1;
        transition: transform .2s ease-out, background .2s ease-out, color .2s ease-out, border-color .2s ease-out;
        flex: 0 0 auto;
    }

    .accordion-button:not(.collapsed) .faq-toggle-icon {
        transform: rotate(45deg);
        background: var(--ng-brand);
        border-color: var(--ng-brand);
        color: #fff;
    }

    .ng-faq-body {
        font-size: 0.95rem;
        line-height: 1.85;
        color: var(--ng-muted);
        padding: 0 6px 28px 70px;
    }

    /* CTA 深色区块 */
    .inner-cta {
        background-color: #23241f;
        background-image: linear-gradient(115deg, rgba(27, 28, 25, 0.92), rgba(27, 28, 25, 0.72)), url("/assets/images/backpic/back-1.png");
        background-size: cover;
        background-position: center;
        color: var(--ng-paper);
        padding: 104px 0;
        position: relative;
        overflow: hidden;
    }

    .inner-cta::before {
        content: "";
        width: 300px;
        height: 300px;
        border: 1px solid rgba(211, 74, 43, 0.5);
        border-radius: 50%;
        position: absolute;
        right: 6%;
        top: -130px;
        pointer-events: none;
    }

    .inner-cta::after {
        content: "";
        width: 180px;
        height: 180px;
        border: 1px solid rgba(247, 245, 240, 0.14);
        border-radius: 50%;
        position: absolute;
        right: -70px;
        bottom: -80px;
        pointer-events: none;
    }

    .inner-cta .cta-inner {
        position: relative;
        z-index: 2;
        max-width: 860px;
    }

    .inner-cta .section-kicker {
        color: #F39B82;
    }

    .inner-cta h2 {
        font-size: clamp(2rem, 4vw, 3.2rem);
        font-weight: 760;
        line-height: 1.18;
        letter-spacing: -0.03em;
        color: var(--ng-paper);
        margin: 0 0 16px;
    }

    .inner-cta p {
        color: rgba(247, 245, 240, 0.74);
        font-size: 1rem;
        margin: 0 0 34px;
        max-width: 570px;
    }

    .btn-ng,
    .btn-ng-light,
    .btn-ng-ghost {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        border-radius: 999px;
        font-weight: 550;
        padding: 12px 24px;
        border: 1px solid transparent;
        transition: background .22s ease-out, color .22s ease-out, border-color .22s ease-out, transform .22s ease-out;
    }

    .btn-ng {
        background: var(--ng-ink);
        color: var(--ng-paper);
        border-color: var(--ng-ink);
    }

    .btn-ng:hover {
        background: var(--ng-brand);
        border-color: var(--ng-brand);
        color: #fff;
    }

    .btn-ng-light {
        background: var(--ng-paper);
        color: var(--ng-ink);
        border-color: var(--ng-paper);
    }

    .btn-ng-light:hover {
        background: var(--ng-brand);
        border-color: var(--ng-brand);
        color: #fff;
    }

    .btn-ng-ghost {
        background: transparent;
        color: var(--ng-paper);
        border-color: rgba(247, 245, 240, 0.44);
    }

    .btn-ng-ghost:hover {
        background: var(--ng-paper);
        color: var(--ng-ink);
        border-color: var(--ng-paper);
    }

    .cta-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px 14px;
        align-items: center;
    }

    /* Footer */
    .ng-footer {
        background: var(--ng-paper);
        border-top: 1px solid var(--ng-line);
        padding: 72px 0 34px;
    }

    .ng-footer .footer-brand {
        margin-bottom: 18px;
    }

    .ng-footer .footer-brand .brand-orb {
        width: 36px;
        height: 36px;
    }

    .footer-brand .brand-text {
        font-size: 0.98rem;
    }

    .footer-intro {
        font-size: 0.86rem;
        color: var(--ng-muted);
        max-width: 300px;
        line-height: 1.75;
        margin: 14px 0 0;
    }

    .ng-footer .footer-heading {
        font-size: 0.88rem;
        letter-spacing: 0.1em;
        font-weight: 650;
        color: var(--ng-ink);
        margin-bottom: 16px;
    }

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

    .footer-links li + li {
        margin-top: 10px;
    }

    .footer-links a {
        display: inline-flex;
        color: var(--ng-muted);
        font-size: 0.875rem;
        position: relative;
        transition: color .2s ease-out;
    }

    .footer-links a::before {
        content: "";
        width: 4px;
        height: 4px;
        background: transparent;
        border-radius: 50%;
        margin-right: 8px;
        align-self: center;
        transition: background .2s ease-out;
    }

    .footer-links a:hover {
        color: var(--ng-ink);
    }

    .footer-links a:hover::before {
        background: var(--ng-brand);
    }

    .subscribe-wrap {
        margin-top: 10px;
    }

    .subscribe-row {
        display: flex;
        align-items: center;
        border-bottom: 1px solid var(--ng-ink);
        max-width: 300px;
        gap: 8px;
        padding-bottom: 6px;
    }

    .subscribe-row input {
        flex: 1;
        background: transparent;
        border: none;
        color: var(--ng-ink);
        font-size: 0.85rem;
        padding: 3px 0;
        outline: none;
        min-width: 0;
    }

    .subscribe-row input::placeholder {
        color: #999990;
    }

    .subscribe-row button {
        background: transparent;
        border: none;
        color: var(--ng-ink);
        font-size: 0.82rem;
        font-weight: 550;
        padding: 6px 0;
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: color .2s ease-out;
    }

    .subscribe-row button:hover {
        color: var(--ng-brand);
    }

    .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 20px;
        border-top: 1px solid var(--ng-line);
        margin-top: 48px;
        padding-top: 24px;
        font-size: 0.8rem;
        color: var(--ng-muted);
    }

    .footer-bottom .totop {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--ng-muted);
        transition: color .2s ease-out;
    }

    .footer-bottom .totop:hover {
        color: var(--ng-ink);
    }

    .toast-container {
        z-index: 1080;
    }

    #ngToast {
        background: var(--ng-ink);
        color: var(--ng-paper);
        border: none;
        border-radius: 10px;
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
        padding: 10px 12px;
    }

    #ngToast .btn-close {
        filter: invert(1) grayscale(1);
        opacity: .65;
    }

    /* 响应式 */
    @media (max-width: 1199.98px) {
        .route-wrap {
            grid-template-columns: 1fr 28px 1fr 28px 1fr;
            gap: 10px;
        }
        .route-connector::before {
            width: 20px;
        }
    }

    @media (max-width: 991.98px) {
        .navbar-brand,
        .navbar-brand:hover {
            color: var(--ng-ink);
        }

        .desktop-only {
            display: none;
        }

        .mobile-bookmark {
            display: inline-flex;
            position: absolute;
            right: 68px;
            top: 18px;
        }

        .ng-navbar {
            min-height: 72px;
            position: relative;
        }

        .ng-navbar .navbar-collapse {
            background: var(--ng-paper);
            border-top: 1px solid var(--ng-line);
            margin: 10px -12px -1px;
            padding: 6px 24px 18px;
            max-height: calc(100vh - 72px);
            overflow-y: auto;
        }

        .ng-navlist {
            flex-direction: column;
            align-items: stretch;
            gap: 0;
        }

        .ng-navlist .nav-item + .nav-item {
            border-top: 1px solid var(--ng-line);
        }

        .ng-nav-link {
            display: block;
            font-size: 1.1rem;
            padding: 14px 2px;
            letter-spacing: 0.02em;
        }

        .ng-nav-link::after {
            bottom: 4px;
            left: 2px;
            transform: scale(0);
        }

        .ng-nav-link:hover::after,
        .ng-nav-link.active::after {
            transform: scale(1);
        }

        .category-hero .hero-inner {
            grid-template-columns: 1fr;
        }

        .cat-hero-media {
            display: none;
        }

        .scope-layout {
            grid-template-columns: 1fr;
            gap: 34px;
        }

        .route-wrap {
            grid-template-columns: 1fr;
            gap: 18px;
        }

        .route-connector {
            display: none;
        }

        .route-node {
            border-top: 1px solid var(--ng-line);
            border-left: 2px solid var(--ng-ink);
            padding: 10px 0 12px 18px;
        }

        .entry-row {
            grid-template-columns: 98px 110px 1fr 46px;
            column-gap: 14px;
        }

        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
    }

    @media (max-width: 767.98px) {
        .section {
            padding: 70px 0;
        }

        .category-hero .hero-inner {
            padding-top: 42px;
            padding-bottom: 42px;
        }

        .category-hero h1 {
            font-size: clamp(1.9rem, 7.5vw, 3rem);
        }

        .section-head {
            display: block;
        }

        .entry-row {
            grid-template-columns: 1fr auto;
            row-gap: 8px;
            padding: 24px 6px;
        }

        .entry-date {
            font-size: 0.78rem;
        }

        .entry-cat {
            justify-self: end;
        }

        .entry-content {
            grid-column: 1 / -1;
        }

        .entry-summary {
            -webkit-line-clamp: 3;
        }

        .entry-go {
            display: none;
        }

        .route-node h3 {
            font-size: 1.05rem;
        }

        .faq-q {
            font-size: 0.95rem;
        }

        .faq-number {
            min-width: 25px;
        }

        .ng-faq-body {
            padding-left: 42px;
        }

        .cta-actions {
            align-items: stretch;
        }

        .cta-actions .btn {
            width: 100%;
            justify-content: center;
        }

        .ng-footer {
            padding-top: 58px;
        }
    }

    @media (max-width: 575.98px) {
        .container {
            padding-left: 22px;
            padding-right: 22px;
        }

        .navbar-nav {
            gap: 0;
        }

        .ng-navbar .navbar-collapse {
            margin-left: -22px;
            margin-right: -22px;
            padding-left: 22px;
            padding-right: 22px;
        }

        .mobile-bookmark {
            right: 58px;
        }

        .category-hero {
            background: var(--ng-paper);
        }

        .category-hero h1 {
            font-size: 2.1rem;
        }

        .hero-meta-line {
            gap: 10px 16px;
        }

        .entry-date,
        .entry-cat {
            font-size: 0.76rem;
        }

        .scope-check-list li {
            padding-left: 0;
            padding-right: 0;
        }

        .ng-faq-body {
            padding: 0 0 22px 30px;
            font-size: 0.91rem;
        }

        .inner-cta {
            padding: 74px 0;
        }

        .col-lg-3,
        .col-lg-4,
        .col-lg-2 {
            margin-bottom: 24px;
        }

        .footer-bottom {
            font-size: 0.76rem;
        }
    }