/* roulang page: index */
:root {
            --color-primary: #e8451e;
            --color-primary-hover: #c23418;
            --color-primary-light: #ff7b3d;
            --color-accent: #e8a830;
            --color-accent-light: #f0c060;
            --color-bg-deep: #0a0a18;
            --color-bg-dark: #0f0f24;
            --color-bg-card: #1a1a35;
            --color-bg-card-hover: #222248;
            --color-surface: rgba(26, 26, 53, 0.85);
            --color-surface-glass: rgba(15, 15, 36, 0.65);
            --color-text: #f0f0f5;
            --color-text-weak: #a0a0b8;
            --color-text-muted: #6e6e8a;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-strong: rgba(255, 255, 255, 0.16);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.35);
            --shadow-lg: 0 12px 48px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 40px rgba(232,69,30,0.25);
            --shadow-gold: 0 0 30px rgba(232,168,48,0.2);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --glass-blur: 18px;
            --nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg-deep);
            background-image: 
                radial-gradient(ellipse at 30% 15%, rgba(232,69,30,0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 80%, rgba(232,168,48,0.04) 0%, transparent 60%),
                radial-gradient(ellipse at 50% 50%, rgba(120,120,180,0.03) 0%, transparent 70%);
            background-attachment: fixed;
            overflow-x: hidden;
        }

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

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

        button, input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        /* ---- container ---- */
        .container {
            width: 100%;
            max-width: 1220px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ---- header / nav ---- */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            transition: background var(--transition-base), box-shadow var(--transition-base), backdrop-filter var(--transition-base);
            background: rgba(10, 10, 24, 0.55);
            backdrop-filter: blur(var(--glass-blur));
            -webkit-backdrop-filter: blur(var(--glass-blur));
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }

        .site-header.scrolled {
            background: rgba(10, 10, 24, 0.92);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid rgba(255,255,255,0.1);
            box-shadow: 0 2px 24px rgba(0,0,0,0.45);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: 1220px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-logo {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--color-primary-light);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255,255,255,0.82);
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

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

        .nav-links a.active {
            color: #ffffff;
            background: rgba(232,69,30,0.28);
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 22px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #ffffff;
            background: var(--color-primary);
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-hover);
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.4rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: rgba(255,255,255,0.08);
        }

        /* ---- hero ---- */
        .hero-section {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            padding-top: var(--nav-height);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(
                180deg,
                rgba(10,10,24,0.45) 0%,
                rgba(10,10,24,0.3) 30%,
                rgba(10,10,24,0.65) 70%,
                rgba(10,10,24,0.92) 100%
            );
        }

        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 55% 35%, rgba(232,69,30,0.18) 0%, transparent 55%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 780px;
            padding: 40px 24px 60px;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: rgba(232,168,48,0.15);
            color: var(--color-accent-light);
            border: 1px solid rgba(232,168,48,0.25);
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: clamp(2.4rem, 5.5vw, 4rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.01em;
            color: #ffffff;
            margin-bottom: 18px;
            text-shadow: 0 4px 32px rgba(0,0,0,0.5);
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.72);
            margin-bottom: 36px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 20px rgba(232,69,30,0.35);
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.35);
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.06);
            transform: translateY(-2px);
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--color-accent), #d4951a);
            color: #1a1a18;
            box-shadow: 0 4px 20px rgba(232,168,48,0.3);
        }

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

        /* ---- section common ---- */
        .section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-label {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            background: rgba(232,69,30,0.12);
            color: var(--color-primary-light);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.7rem, 3.5vw, 2.4rem);
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--color-text-weak);
            max-width: 560px;
            margin: 0 auto;
        }

        /* ---- features grid ---- */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            text-align: center;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            border-radius: 0 0 3px 3px;
            background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .feature-card:hover {
            background: var(--color-bg-card-hover);
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

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

        .feature-card .card-icon {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(232,69,30,0.2), rgba(232,168,48,0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            color: var(--color-primary-light);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
        }

        .feature-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 18px;
        }

        /* ---- category entry ---- */
        .category-entry-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .category-entry-block:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-md);
        }

        .category-entry-img {
            width: 100%;
            height: 100%;
            min-height: 280px;
            object-fit: cover;
        }

        .category-entry-text {
            padding: 36px 32px;
        }

        .category-entry-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }

        .category-entry-text p {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            margin-bottom: 18px;
            line-height: 1.7;
        }

        /* ---- posts list ---- */
        .posts-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .post-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .post-card:hover {
            background: var(--color-bg-card-hover);
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .post-card .post-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .post-card .post-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .post-card:hover .post-img-wrap img {
            transform: scale(1.04);
        }

        .post-card .post-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .post-card .post-category {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-primary-light);
            letter-spacing: 0.03em;
            margin-bottom: 6px;
        }

        .post-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 6px;
            line-height: 1.45;
            flex: 1;
        }

        .post-card .post-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .posts-empty {
            text-align: center;
            padding: 50px 20px;
            color: var(--color-text-weak);
            font-size: 1rem;
        }

        /* ---- stats ---- */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            transition: all var(--transition-base);
        }

        .stat-item:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.01em;
        }

        .stat-number .plus {
            color: var(--color-primary-light);
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            margin-top: 4px;
        }

        /* ---- media block ---- */
        .media-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .media-block.reverse {
            direction: rtl;
        }

        .media-block.reverse > * {
            direction: ltr;
        }

        .media-block .media-img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
        }

        .media-block .media-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
        }

        .media-block .media-text p {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            line-height: 1.8;
            margin-bottom: 10px;
        }

        .media-block .media-text .media-list {
            list-style: none;
            padding: 0;
        }

        .media-block .media-text .media-list li {
            padding: 7px 0;
            font-size: 0.93rem;
            color: var(--color-text-weak);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .media-block .media-text .media-list li i {
            color: var(--color-accent);
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ---- faq ---- */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border-strong);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            background: transparent;
            color: #ffffff;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
        }

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

        .faq-question i {
            font-size: 0.8rem;
            transition: transform var(--transition-fast);
            color: var(--color-text-muted);
        }

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

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

        /* ---- cta section ---- */
        .cta-section {
            position: relative;
            padding: 90px 0;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10,10,24,0.78);
            z-index: 1;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .cta-content h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .cta-content p {
            font-size: 1rem;
            color: rgba(255,255,255,0.68);
            margin-bottom: 28px;
        }

        /* ---- footer ---- */
        .site-footer {
            background: var(--color-bg-dark);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
            display: block;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-primary-light);
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ---- responsive ---- */
        @media (max-width: 1024px) {
            .features-grid,
            .posts-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .media-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-entry-block {
                grid-template-columns: 1fr;
            }
            .category-entry-img {
                aspect-ratio: 16 / 9;
                min-height: auto;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10,10,24,0.96);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }

            .nav-cta-wrap {
                display: none;
            }

            .mobile-menu-toggle {
                display: flex;
            }

            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }

            .section {
                padding: 56px 0;
            }

            .features-grid,
            .posts-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-number {
                font-size: 1.8rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .btn {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-title {
                font-size: 1.65rem;
            }
            .hero-section {
                min-height: 80vh;
            }
            .hero-content {
                padding: 24px 12px 40px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .feature-card {
                padding: 24px 18px;
            }
            .post-card .post-body {
                padding: 14px 16px 16px;
            }
            .category-entry-text {
                padding: 24px 18px;
            }
            .category-entry-text h3 {
                font-size: 1.2rem;
            }
            .footer-bottom {
                font-size: 0.75rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #d43b3b;
            --primary-hover: #b23030;
            --secondary: #f0b429;
            --bg: #0a0a0f;
            --surface: rgba(20, 20, 30, 0.85);
            --text: #f5f3ee;
            --text-dim: #b0a99e;
            --border: rgba(255, 255, 255, 0.12);
            --radius-sm: 10px;
            --radius: 18px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(0,0,0,0.4);
            --transition: 0.25s cubic-bezier(0.2, 0.0, 0, 1.0);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* 透明玻璃沉浸导航 */
        .glass-nav {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 50;
            background: rgba(10,10,18,0.7);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255,255,255,0.08);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .glass-nav.scrolled {
            background: rgba(8,8,15,0.95);
            box-shadow: 0 4px 20px rgba(0,0,0,0.6);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: 1px;
            color: #fff;
            text-decoration: none;
            background: linear-gradient(135deg, #ffb347, #ff6b6b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }
        .nav-links a {
            color: #e0dcd3;
            text-decoration: none;
            font-weight: 500;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0%;
            height: 2px;
            background: var(--primary);
            transition: width var(--transition);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: #fff;
        }
        .nav-links a.active::after,
        .nav-links a:hover::after {
            width: 100%;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
        }
        /* 分类 banner 全宽影像感 */
        .category-hero {
            margin-top: 70px;
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            min-height: 55vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10,10,18,0.5) 0%, rgba(0,0,0,0.7) 70%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .hero-tag {
            display: inline-block;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(12px);
            padding: 6px 20px;
            border-radius: 40px;
            border: 1px solid rgba(255,255,255,0.2);
            font-size: 0.9rem;
            letter-spacing: 2px;
            color: #ffcc80;
            margin-bottom: 1.5rem;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.2;
            text-shadow: 0 6px 24px rgba(0,0,0,0.6);
            color: #fff;
        }
        .hero-sub {
            font-size: 1.25rem;
            color: #dedad1;
            margin-top: 1rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        /* 板块通用 */
        .section {
            padding: 5rem 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: #fff;
        }
        .section-desc {
            color: var(--text-dim);
            margin-bottom: 2.5rem;
            font-size: 1.1rem;
        }
        /* 攻略卡片网格 */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 28px;
        }
        .guide-card {
            background: var(--surface);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 40px rgba(200, 40, 40, 0.2);
            border-color: rgba(255,255,255,0.2);
        }
        .card-img {
            height: 200px;
            background-size: cover;
            background-position: center;
        }
        .card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-tag {
            align-self: flex-start;
            background: rgba(255,180,40,0.15);
            color: #ffb347;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 0.8rem;
            border: 1px solid rgba(255,180,40,0.3);
        }
        .card-title {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: #fff;
        }
        .card-excerpt {
            color: #cbc3b5;
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }
        .card-meta {
            margin-top: auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: #948f85;
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 0.8rem;
        }
        /* 按钮 */
        .btn-primary {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 40px;
            text-decoration: none;
            transition: background var(--transition), transform var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: scale(1.03);
        }
        .btn-outline {
            border: 1px solid rgba(255,255,255,0.25);
            background: transparent;
            color: #fff;
            font-weight: 500;
            padding: 10px 26px;
            border-radius: 40px;
            text-decoration: none;
            transition: all var(--transition);
        }
        .btn-outline:hover {
            background: rgba(255,255,255,0.1);
            border-color: #fff;
        }
        /* 横向滑动区 (看点卡) */
        .scroller-wrapper {
            overflow-x: auto;
            padding-bottom: 12px;
        }
        .scroller-track {
            display: flex;
            gap: 20px;
            width: max-content;
        }
        .highlight-card {
            min-width: 280px;
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 1.5rem;
            backdrop-filter: blur(8px);
        }
        /* FAQ */
        .faq-item {
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 1.2rem 1.8rem;
            margin-bottom: 1rem;
            transition: background var(--transition);
        }
        .faq-item:hover {
            background: rgba(255,255,255,0.08);
        }
        .faq-q {
            font-weight: 700;
            font-size: 1.15rem;
            color: #fff;
        }
        .faq-a {
            color: var(--text-dim);
            margin-top: 0.5rem;
        }
        /* CTA 深色区块 */
        .cta-block {
            background: linear-gradient(135deg, #1e1a2f, #2a1f1f);
            border-radius: var(--radius-lg);
            padding: 3.5rem 2.5rem;
            text-align: center;
            border: 1px solid rgba(255,255,255,0.1);
        }
        /* 页脚 */
        .site-footer {
            background: #050509;
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 3.5rem 0 1.8rem;
            color: #a09b92;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
        }
        .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
        }
        .footer-brand p {
            margin-top: 0.8rem;
            font-size: 0.9rem;
        }
        .footer-col h4 {
            color: #fff;
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 0.5rem;
        }
        .footer-col a {
            color: #b5aea5;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: #ffb347;
        }
        .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.06);
            text-align: center;
            font-size: 0.85rem;
        }
        @media (max-width: 1024px) {
            .hero-title { font-size: 2.8rem; }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(8,8,15,0.97);
                backdrop-filter: blur(30px);
                flex-direction: column;
                padding: 2rem;
                gap: 1.8rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
            .category-hero { min-height: 45vh; }
            .hero-title { font-size: 2.2rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .guide-grid { grid-template-columns: 1fr; }
        }

/* roulang page: article */
:root {
            --color-bg: #080814;
            --color-surface: #12122a;
            --color-surface-alt: #1a1a38;
            --color-primary: #7c5cfc;
            --color-primary-glow: rgba(124, 92, 252, 0.45);
            --color-accent: #00c6ff;
            --color-accent-glow: rgba(0, 198, 255, 0.4);
            --color-text: #e6e6f2;
            --color-text-strong: #ffffff;
            --color-text-muted: #9a9ab8;
            --color-text-weak: #6e6e8a;
            --color-border: rgba(255, 255, 255, 0.07);
            --color-border-light: rgba(255, 255, 255, 0.12);
            --color-glass: rgba(14, 14, 34, 0.65);
            --color-glass-solid: rgba(18, 18, 42, 0.92);
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.25);
            --shadow: 0 6px 28px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 14px 48px rgba(0, 0, 0, 0.55);
            --shadow-glow: 0 0 40px var(--color-primary-glow);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        input {
            font-family: inherit;
        }

        ::selection {
            background: var(--color-primary);
            color: #fff;
        }

        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--color-bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--color-text-weak);
            border-radius: 3px;
        }

        /* ---- Header / Glass Nav ---- */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            padding: 16px 0;
            transition: all var(--transition);
        }
        .site-header.scrolled {
            background: var(--color-glass-solid);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            padding: 10px 0;
        }
        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 28px;
        }
        .header-logo {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: #ffffff;
            white-space: nowrap;
            position: relative;
        }
        .header-logo .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            margin-left: 4px;
            box-shadow: 0 0 12px var(--color-accent-glow);
            vertical-align: middle;
            position: relative;
            top: -2px;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 6px;
            align-items: center;
        }
        .nav-links a {
            display: inline-block;
            padding: 9px 18px;
            border-radius: 24px;
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.78);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.07);
        }
        .nav-links a.active {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.12);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-accent);
            box-shadow: 0 0 10px var(--color-accent-glow);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
        }

        /* ---- Article Banner ---- */
        .article-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            padding: 160px 28px 56px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            isolation: isolate;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(8, 8, 20, 0.35) 0%,
                    rgba(8, 8, 20, 0.6) 40%,
                    rgba(8, 8, 20, 0.92) 85%,
                    var(--color-bg) 100%);
            z-index: 1;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(124, 92, 252, 0.18) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 40%, rgba(0, 198, 255, 0.1) 0%, transparent 55%);
            z-index: 1;
        }
        .article-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
        }
        .article-banner .banner-category {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-accent);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .article-banner .banner-title {
            font-family: var(--font-heading);
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            color: #ffffff;
            line-height: 1.25;
            letter-spacing: 0.01em;
            margin-bottom: 14px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .article-banner .banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            align-items: center;
        }
        .article-banner .banner-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-banner .banner-meta i {
            font-size: 0.8rem;
            color: var(--color-accent);
        }

        /* ---- Breadcrumb ---- */
        .breadcrumb-wrap {
            max-width: 1280px;
            margin: 0 auto;
            padding: 20px 28px 0;
            position: relative;
            z-index: 3;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
            font-size: 0.84rem;
            color: var(--color-text-muted);
        }
        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .separator {
            color: var(--color-text-weak);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 500;
        }

        /* ---- Article Layout ---- */
        .article-main-area {
            max-width: 1280px;
            margin: 0 auto;
            padding: 36px 28px 60px;
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 44px;
        }
        .article-content-area {
            min-width: 0;
        }
        .article-sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }

        /* ---- Article Body ---- */
        .article-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            box-shadow: var(--shadow);
        }
        .article-card .article-body {
            font-size: 1.02rem;
            line-height: 1.85;
            color: var(--color-text);
        }
        .article-body h2 {
            font-family: var(--font-heading);
            font-size: 1.45rem;
            font-weight: 700;
            color: #ffffff;
            margin: 32px 0 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-border-light);
        }
        .article-body h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 600;
            color: #ffffff;
            margin: 24px 0 10px;
        }
        .article-body p {
            margin-bottom: 16px;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 20px 20px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body strong {
            color: #ffffff;
        }
        .article-body blockquote {
            border-left: 4px solid var(--color-primary);
            background: rgba(124, 92, 252, 0.06);
            padding: 16px 22px;
            margin: 20px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-muted);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius);
            margin: 20px 0;
        }
        .article-body a {
            color: var(--color-accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: #fff;
        }

        /* ---- Not Found State ---- */
        .not-found-state {
            text-align: center;
            padding: 60px 40px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
        }
        .not-found-state .nf-icon {
            font-size: 4rem;
            color: var(--color-text-weak);
            margin-bottom: 20px;
            opacity: 0.7;
        }
        .not-found-state h2 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }
        .not-found-state p {
            color: var(--color-text-muted);
            margin-bottom: 24px;
            font-size: 0.96rem;
        }
        .not-found-state .btn-back {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 28px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            box-shadow: 0 4px 18px var(--color-primary-glow);
        }
        .not-found-state .btn-back:hover {
            background: #9575ff;
            box-shadow: 0 8px 28px var(--color-primary-glow);
            transform: translateY(-2px);
        }

        /* ---- Sidebar ---- */
        .sidebar-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: 26px 24px;
            margin-bottom: 22px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--color-border-light);
            letter-spacing: 0.02em;
        }
        .sidebar-card .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-card .tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 18px;
            font-size: 0.8rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.04);
            color: var(--color-text-muted);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .sidebar-card .tag:hover {
            background: rgba(124, 92, 252, 0.15);
            color: #ffffff;
            border-color: rgba(124, 92, 252, 0.4);
        }
        .sidebar-card .side-cover {
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
        }
        .sidebar-card .side-cover img {
            width: 100%;
            border-radius: var(--radius-sm);
            transition: transform var(--transition-slow);
        }
        .sidebar-card .side-cover img:hover {
            transform: scale(1.04);
        }
        .sidebar-card .side-link {
            display: block;
            color: var(--color-accent);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }
        .sidebar-card .side-link:hover {
            color: #ffffff;
        }
        .sidebar-card .side-link i {
            margin-right: 6px;
            font-size: 0.75rem;
        }

        /* ---- Related Articles ---- */
        .related-section {
            max-width: 1280px;
            margin: 0 auto;
            padding: 10px 28px 56px;
        }
        .related-section .section-label {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 24px;
            letter-spacing: 0.02em;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .related-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            cursor: pointer;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-light);
        }
        .related-card .rc-img {
            height: 160px;
            overflow: hidden;
        }
        .related-card .rc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .related-card:hover .rc-img img {
            transform: scale(1.06);
        }
        .related-card .rc-body {
            padding: 18px 20px;
        }
        .related-card .rc-body .rc-tag {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 6px;
        }
        .related-card .rc-body h5 {
            font-family: var(--font-heading);
            font-size: 0.98rem;
            font-weight: 600;
            color: #ffffff;
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .related-card .rc-body .rc-date {
            font-size: 0.78rem;
            color: var(--color-text-weak);
        }

        /* ---- CTA Section ---- */
        .cta-section {
            background: var(--color-surface-alt);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: 50px 28px;
            text-align: center;
        }
        .cta-section .cta-inner {
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-section h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }
        .cta-section p {
            color: var(--color-text-muted);
            margin-bottom: 24px;
            font-size: 0.95rem;
        }
        .cta-section .btn-cta {
            display: inline-block;
            padding: 13px 32px;
            border-radius: 28px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.98rem;
            transition: all var(--transition);
            box-shadow: 0 4px 20px var(--color-primary-glow);
            letter-spacing: 0.02em;
        }
        .cta-section .btn-cta:hover {
            background: #9575ff;
            box-shadow: 0 10px 32px var(--color-primary-glow);
            transform: translateY(-2px);
        }

        /* ---- Footer ---- */
        .site-footer {
            background: var(--color-bg);
            border-top: 1px solid var(--color-border);
            padding: 48px 28px 28px;
            color: var(--color-text-muted);
            font-size: 0.88rem;
        }
        .site-footer .container {
            max-width: 1280px;
            margin: 0 auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            display: block;
            margin-bottom: 10px;
        }
        .footer-brand p {
            color: var(--color-text-weak);
            line-height: 1.6;
            font-size: 0.84rem;
        }
        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a {
            color: var(--color-text-weak);
            font-size: 0.84rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            text-align: center;
            color: var(--color-text-weak);
            font-size: 0.8rem;
        }

        /* ---- Responsive ---- */
        @media (max-width: 1024px) {
            .article-main-area {
                grid-template-columns: 1fr 280px;
                gap: 28px;
                padding: 28px 20px 48px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-card {
                padding: 28px 24px;
            }
            .article-banner {
                min-height: 340px;
                padding: 140px 20px 44px;
            }
        }

        @media (max-width: 768px) {
            .article-main-area {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 24px 16px 40px;
            }
            .article-sidebar {
                position: static;
                top: auto;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .related-section {
                padding: 10px 16px 40px;
            }
            .article-banner {
                min-height: 280px;
                padding: 130px 16px 36px;
            }
            .article-banner .banner-title {
                font-size: 1.5rem;
            }
            .article-card {
                padding: 22px 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .site-header .header-inner {
                padding: 0 16px;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 7px 13px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 520px) {
            .article-banner {
                min-height: 240px;
                padding: 120px 14px 28px;
            }
            .article-banner .banner-title {
                font-size: 1.3rem;
            }
            .article-banner .banner-meta {
                font-size: 0.78rem;
                gap: 10px;
            }
            .article-banner .banner-category {
                font-size: 0.72rem;
                padding: 4px 12px;
            }
            .breadcrumb-wrap {
                padding: 14px 14px 0;
            }
            .breadcrumb {
                font-size: 0.76rem;
            }
            .article-main-area {
                padding: 18px 12px 32px;
            }
            .article-card {
                padding: 18px 14px;
                border-radius: var(--radius);
            }
            .article-body {
                font-size: 0.94rem;
            }
            .article-body h2 {
                font-size: 1.2rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .related-section .section-label {
                font-size: 1.15rem;
            }
            .related-section {
                padding: 10px 12px 32px;
            }
            .cta-section {
                padding: 34px 16px;
            }
            .cta-section h3 {
                font-size: 1.2rem;
            }
            .site-footer {
                padding: 32px 14px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .header-logo {
                font-size: 1.1rem;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.76rem;
                border-radius: 18px;
            }
            .site-header .header-inner {
                padding: 0 10px;
            }
            .nav-links {
                gap: 0px;
            }
            .sidebar-card {
                padding: 18px 16px;
            }
        }