/* roulang page: index */
:root {
            --bg-dark: #0D0E12;
            --bg-card: #16181D;
            --bg-card-hover: #1C1F26;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-strong: rgba(255, 255, 255, 0.15);
            --text-primary: #F5F6F8;
            --text-secondary: #B8BDC7;
            --text-muted: #7A828E;
            --accent-orange: #FF5A3C;
            --accent-amber: #FFB020;
            --accent-green: #3DD68C;
            --accent-gold: #FFC63D;
            --accent-red: #FF4B4B;
            --gradient-primary: linear-gradient(135deg, #FF5A3C, #FFB020);
            --radius-card: 1.5rem;
            --radius-large: 2rem;
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.35);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Helvetica Neue', sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all .2s ease;
        }
        button,
        input {
            font-family: inherit;
            outline: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        .text-gradient-gold {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }
        .site-nav {
            background: rgba(13, 14, 18, .88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-subtle);
        }
        .nav-link {
            position: relative;
            font-weight: 500;
            color: var(--text-secondary);
            padding: .5rem .25rem;
            transition: color .2s ease;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--gradient-primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s ease;
            border-radius: 2px;
        }
        .nav-link:hover {
            color: var(--text-primary);
        }
        .nav-link:hover::after {
            transform: scaleX(1);
        }
        .nav-link.active {
            color: var(--text-primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            transform: scaleX(1);
        }
        .btn-primary {
            background: var(--gradient-primary);
            color: #fff;
            border-radius: 999px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            padding: .75rem 1.5rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(255, 90, 60, .25);
            transition: all .25s ease;
        }
        .btn-primary:hover {
            filter: brightness(1.1);
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(255, 90, 60, .35);
        }
        .btn-primary:active {
            transform: scale(.95);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(255, 176, 32, .45);
            outline-offset: 2px;
        }
        .btn-secondary {
            background: rgba(255, 255, 255, .05);
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, .15);
            border-radius: 999px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            padding: .75rem 1.5rem;
            cursor: pointer;
            transition: all .25s ease;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, .1);
            border-color: rgba(255, 255, 255, .3);
            transform: translateY(-1px);
        }
        .btn-secondary:active {
            transform: scale(.95);
        }
        .btn-secondary:focus-visible {
            outline: 3px solid rgba(255, 255, 255, .25);
            outline-offset: 2px;
        }
        .hero-section {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            background: linear-gradient(to bottom, rgba(13, 14, 18, .55), rgba(13, 14, 18, .92)), url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: repeating-linear-gradient(45deg, rgba(255, 255, 255, .025) 0px, rgba(255, 255, 255, .025) 1px, transparent 1px, transparent 14px);
            pointer-events: none;
        }
        .badge-pulse {
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: .4rem;
        }
        .badge-pulse .dot {
            width: 8px;
            height: 8px;
            background: var(--accent-green);
            border-radius: 50%;
            box-shadow: 0 0 0 0 rgba(61, 214, 140, .5);
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(61, 214, 140, .5);
            }
            70% {
                box-shadow: 0 0 0 9px rgba(61, 214, 140, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(61, 214, 140, 0);
            }
        }
        .countdown-pill {
            background: rgba(255, 198, 61, .12);
            border: 1px solid rgba(255, 198, 61, .22);
            border-radius: 999px;
            color: var(--accent-gold);
            font-size: .84rem;
            font-weight: 600;
            padding: .4rem .9rem;
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            letter-spacing: .02em;
            white-space: nowrap;
        }
        .data-badge {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 1rem;
            padding: 1rem 1.5rem;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            backdrop-filter: blur(4px);
        }
        .data-badge .number {
            font-size: 1.75rem;
            font-weight: 800;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }
        .data-badge .label {
            color: var(--text-secondary);
            font-size: .8125rem;
            margin-top: .2rem;
        }
        .section-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, .06);
            border-radius: var(--radius-card);
            transition: all .3s ease;
        }
        .section-card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }
        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: .3rem;
            background: rgba(255, 255, 255, .05);
            color: var(--accent-amber);
            border-radius: 999px;
            padding: .25rem .75rem;
            font-size: .75rem;
            font-weight: 500;
            letter-spacing: .02em;
        }
        .tag-hot {
            background: var(--accent-red);
            color: #fff;
        }
        .empty-state {
            border: 2px dashed rgba(255, 255, 255, .16);
            border-radius: var(--radius-card);
            padding: 3rem 2rem;
            text-align: center;
            color: var(--text-muted);
            background: rgba(255, 255, 255, .02);
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, .06);
            border-radius: 1.25rem;
            margin-bottom: 1rem;
            overflow: hidden;
            transition: border-color .3s ease;
        }
        .faq-item:hover {
            border-color: rgba(255, 255, 255, .14);
        }
        .faq-question {
            padding: 1.25rem 1.5rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1rem;
            color: var(--text-primary);
            user-select: none;
            gap: 1rem;
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            min-width: 24px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .16);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .9rem;
            color: var(--accent-amber);
            transition: all .3s ease;
        }
        .faq-icon.rotate-45 {
            transform: rotate(45deg);
            border-color: var(--accent-amber);
        }
        .faq-answer {
            padding: 0 1.5rem 1.25rem;
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: .9375rem;
        }
        .subscribe-card {
            background: linear-gradient(135deg, rgba(255, 90, 60, .08), rgba(255, 176, 32, .06));
            border: 1px solid rgba(255, 176, 32, .25);
            border-radius: var(--radius-large);
            padding: 3rem;
            position: relative;
            overflow: hidden;
        }
        .subscribe-card::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 90, 60, .1), transparent 70%);
            pointer-events: none;
        }
        .input-dark {
            background: rgba(13, 14, 18, .7);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: .75rem;
            padding: .8rem 1.1rem;
            color: var(--text-primary);
            width: 100%;
            transition: border-color .25s, box-shadow .25s;
        }
        .input-dark::placeholder {
            color: var(--text-muted);
        }
        .input-dark:focus {
            border-color: var(--accent-amber);
            box-shadow: 0 0 0 4px rgba(255, 176, 32, .12);
        }
        .footer-link {
            color: var(--text-secondary);
            font-size: .9rem;
            display: block;
            padding: .3rem 0;
            transition: color .2s;
        }
        .footer-link:hover {
            color: var(--accent-amber);
        }
        .timeline-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }
        .cover-placeholder {
            background: linear-gradient(135deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .02));
            border-radius: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: .9rem;
            border: 1px dashed rgba(255, 255, 255, .12);
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .hero-section {
                min-height: 80vh;
            }
            .subscribe-card {
                padding: 1.5rem;
            }
            .data-badge {
                padding: .75rem 1rem;
            }
            .data-badge .number {
                font-size: 1.4rem;
            }
        }
        @media (min-width: 769px) {
            .mobile-menu-btn {
                display: none;
            }
            .mobile-menu {
                display: none !important;
            }
        }
        .card-cover {
            aspect-ratio: 4/3;
            object-fit: cover;
            border-radius: 1rem 1rem 0 0;
            width: 100%;
        }
        .hashtag-list li {
            padding: .4rem 0;
            display: flex;
            align-items: center;
            gap: .6rem;
            color: var(--text-secondary);
            font-size: .9375rem;
        }
        .hashtag-list li::before {
            content: '#';
            color: var(--accent-amber);
            font-weight: 700;
            font-size: 1.1rem;
        }
        .divider-gradient {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 176, 32, .35), transparent);
            border: none;
            margin: 2rem 0;
        }

/* roulang page: article */
:root {
            --bg-page: #0d0e12;
            --bg-panel: #16181d;
            --bg-elev: #1c1f26;
            --line: rgba(255, 255, 255, 0.08);
            --tx-strong: #f2f4f7;
            --tx-body: #c2c7d0;
            --tx-dim: #7a828e;
            --gold-a: #ff5a3c;
            --gold-b: #ffb020;
            --emerald: #3dd68c;
            --warning: #ffc63d;
            --hot: #ff4b4b;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--bg-page);
            color: var(--tx-strong);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        input {
            font-family: inherit;
        }

        .container {
            width: 100% !important;
            max-width: 1200px !important;
            margin-left: auto !important;
            margin-right: auto !important;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 640px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        .text-gradient-gold {
            background: linear-gradient(135deg, #ff5a3c, #ffb020);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .site-nav {
            background: rgba(13, 14, 18, 0.9);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .nav-link {
            position: relative;
            font-size: 0.9375rem;
            color: #a6adb8;
            transition: color .2s ease;
            padding: 0.25rem 0;
        }

        .nav-link:hover,
        .nav-link.active {
            color: #fff;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, #ff5a3c, #ffb020);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s ease;
        }

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

        .mobile-menu-btn {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        @media (min-width: 1024px) {
            .mobile-menu-btn {
                display: none !important;
            }
            .mobile-menu {
                display: none !important;
            }
        }

        .mobile-menu {
            display: block;
        }

        .mobile-menu.hidden {
            display: none;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.6rem;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.9375rem;
            color: #fff;
            background: linear-gradient(135deg, #ff5a3c, #ffb020);
            box-shadow: 0 8px 24px rgba(255, 90, 60, 0.25);
            transition: all .25s ease;
            border: none;
            line-height: 1.4;
        }

        .btn-primary:hover {
            filter: brightness(1.1);
            transform: translateY(-1px);
            box-shadow: 0 12px 30px rgba(255, 90, 60, 0.35);
        }

        .btn-primary:active {
            transform: scale(0.96);
        }

        .btn-primary:focus-visible {
            outline: 2px solid #ffb020;
            outline-offset: 3px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.6rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.9375rem;
            color: #f2f4f7;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: all .25s ease;
            line-height: 1.4;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-1px);
        }

        .btn-secondary:active {
            transform: scale(0.96);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid #ffb020;
            outline-offset: 3px;
        }

        .badge-pulse {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .badge-pulse .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--emerald);
            position: relative;
        }

        .badge-pulse .dot::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            background: rgba(61, 214, 140, 0.4);
            animation: pulse 2s ease-in-out infinite;
        }

        @keyframes pulse {
            0% {
                transform: scale(0.6);
                opacity: 0.8;
            }
            70% {
                transform: scale(1.4);
                opacity: 0;
            }
            100% {
                transform: scale(1.4);
                opacity: 0;
            }
        }

        .countdown-pill {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.4rem 0.85rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.8125rem;
            color: #a6adb8;
            line-height: 1.4;
        }

        .footer-link {
            display: block;
            font-size: 0.875rem;
            color: #7a828e;
            margin-bottom: 0.65rem;
            transition: color .2s ease;
        }

        .footer-link:hover {
            color: #ffb020;
        }

        .breadcrumb a {
            transition: color .2s ease;
        }

        .article-content {
            font-size: 1rem;
            color: #c2c7d0;
            line-height: 1.7;
        }

        .article-content h2 {
            font-size: 1.4rem;
            font-weight: 800;
            color: #f2f4f7;
            margin-top: 2.4rem;
            margin-bottom: 1rem;
        }

        .article-content h3 {
            font-size: 1.18rem;
            font-weight: 700;
            color: #f2f4f7;
            margin-top: 1.8rem;
            margin-bottom: 0.75rem;
        }

        .article-content p {
            margin: 1.2rem 0;
        }

        .article-content a {
            color: #ffb020;
            border-bottom: 1px solid rgba(255, 176, 32, 0.3);
            transition: border-color .2s;
        }

        .article-content a:hover {
            border-color: #ffb020;
        }

        .article-content blockquote {
            border-left: 4px solid #ff5a3c;
            background: rgba(255, 90, 60, 0.07);
            padding: 1rem 1.25rem;
            border-radius: 0 12px 12px 0;
            color: #a6adb8;
            margin: 1.5rem 0;
        }

        .article-content ul,
        .article-content ol {
            margin: 1.2rem 0;
            padding-left: 1.4rem;
        }

        .article-content ul {
            list-style: disc;
        }

        .article-content ol {
            list-style: decimal;
        }

        .article-content li {
            margin-bottom: 0.4rem;
        }

        .article-content img {
            border-radius: 1rem;
            margin: 1.5rem 0;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.9375rem;
        }

        .article-content th,
        .article-content td {
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 0.65rem 0.9rem;
            text-align: left;
        }

        .article-content th {
            background: rgba(255, 255, 255, 0.04);
            color: #f2f4f7;
            font-weight: 600;
        }

        .article-content hr {
            border: none;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin: 2rem 0;
        }

        .article-content code {
            background: rgba(255, 255, 255, 0.08);
            padding: 0.15rem 0.4rem;
            border-radius: 6px;
            font-size: 0.9em;
            font-family: ui-monospace, monospace;
        }

        .article-content pre {
            background: #0a0b0f;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 1rem;
            padding: 1.2rem;
            overflow-x: auto;
            margin: 1.5rem 0;
        }

        .article-content pre code {
            background: none;
            padding: 0;
        }

        .cta-card {
            position: relative;
            border-radius: 2rem;
            padding: 3rem 2rem;
            background: linear-gradient(135deg, rgba(255, 90, 60, 0.12), rgba(255, 176, 32, 0.08)), #16181d;
            border: 1px solid rgba(255, 176, 32, 0.2);
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 176, 32, 0.12), transparent 70%);
            pointer-events: none;
        }

        .form-input {
            width: 100%;
            padding: 0.85rem 1.2rem;
            border-radius: 1rem;
            background: rgba(13, 14, 18, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: #f2f4f7;
            font-size: 0.9375rem;
            outline: none;
            transition: border-color .25s, box-shadow .25s;
        }

        .form-input::placeholder {
            color: #555c66;
        }

        .form-input:focus {
            border-color: rgba(255, 176, 32, 0.6);
            box-shadow: 0 0 0 4px rgba(255, 176, 32, 0.12);
        }

/* roulang page: category1 */
:root {
            --bg-dark: #0D0E12;
            --bg-card: #16181D;
            --bg-card-hover: #1C1F26;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-line: rgba(255, 255, 255, 0.08);
            --text-primary: #FFFFFF;
            --text-soft: #B8BDC7;
            --text-mute: #7A828E;
            --gold-orange: #FF5A3C;
            --gold-amber: #FFB020;
            --green: #3DD68C;
            --warning: #FFC63D;
            --hot-red: #FF4B4B;
            --radius-card: 1.5rem;
            --radius-btn: 999px;
            --radius-input: 0.75rem;
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.35);
            --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Helvetica Neue', Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }

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

        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        .text-gradient-gold {
            background: linear-gradient(135deg, var(--gold-orange), var(--gold-amber));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        /* ===== 导航 ===== */
        .site-nav {
            background: rgba(13, 14, 18, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .nav-link {
            position: relative;
            font-weight: 500;
            color: var(--text-soft);
            padding: 0.5rem 0.125rem;
            transition: color 0.25s ease;
            letter-spacing: 0.01em;
            font-size: 0.9375rem;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: linear-gradient(135deg, var(--gold-orange), var(--gold-amber));
            border-radius: 2px;
            transition: width 0.3s ease;
        }

        .nav-link:hover,
        .nav-link.active {
            color: #FFFFFF;
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .badge-pulse {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.375rem 1rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.8125rem;
            color: var(--text-soft);
        }

        .badge-pulse .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--green);
            position: relative;
            flex-shrink: 0;
        }

        .badge-pulse .dot::after {
            content: "";
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            background: rgba(61, 214, 140, 0.4);
            animation: pulse-ring 1.6s ease-out infinite;
        }

        @keyframes pulse-ring {
            0% { transform: scale(0.6); opacity: 0.8; }
            100% { transform: scale(1.6); opacity: 0; }
        }

        .countdown-pill {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.375rem 1rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.8125rem;
            color: var(--text-soft);
        }

        .countdown-pill i {
            color: var(--warning);
        }

        .countdown-pill .tab_num {
            color: var(--warning);
            font-variant-numeric: tabular-nums;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--gold-orange), var(--gold-amber));
            color: #0D0E12;
            font-weight: 700;
            font-size: 0.9375rem;
            padding: 0.75rem 1.75rem;
            border-radius: 999px;
            transition: all 0.25s ease;
            box-shadow: 0 4px 16px rgba(255, 90, 60, 0.25);
            min-height: 44px;
        }

        .btn-primary:hover {
            filter: brightness(1.1);
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(255, 90, 60, 0.35);
        }

        .btn-primary:active {
            transform: scale(0.95);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(255, 176, 32, 0.5);
            outline-offset: 3px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
            font-weight: 500;
            font-size: 0.9375rem;
            padding: 0.75rem 1.75rem;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: all 0.25s ease;
            min-height: 44px;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-1px);
        }

        .btn-secondary:active {
            transform: scale(0.95);
        }

        .btn-secondary:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.3);
            outline-offset: 3px;
        }

        /* ===== 卡片 ===== */
        .card-base {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
        }

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

        .card-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.875rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--gold-amber);
        }

        .card-tag-hot {
            background: rgba(255, 75, 75, 0.15);
            border-color: rgba(255, 75, 75, 0.3);
            color: #FF6B6B;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 1rem;
            transition: background 0.3s ease, border-color 0.3s ease;
            overflow: hidden;
        }

        .faq-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(255, 176, 32, 0.15);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.25rem 1.5rem;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1rem;
            cursor: pointer;
            user-select: none;
            min-height: 56px;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.5rem;
            color: var(--text-soft);
            font-size: 0.9375rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 320px;
            padding: 0 1.5rem 1.25rem;
        }

        .faq-item.open .faq-toggle-icon {
            transform: rotate(45deg);
        }

        .faq-toggle-icon {
            transition: transform 0.3s ease;
            color: var(--gold-amber);
            flex-shrink: 0;
            margin-left: 1rem;
            font-size: 1.125rem;
        }

        /* ===== TOC ===== */
        .toc-wrap {
            position: sticky;
            top: 100px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 1rem;
            padding: 1.5rem;
        }

        .toc-link {
            display: block;
            color: var(--text-soft);
            font-size: 0.875rem;
            padding: 0.5rem 0;
            border-left: 2px solid transparent;
            padding-left: 0.75rem;
            transition: all 0.25s ease;
        }

        .toc-link:hover,
        .toc-link.active {
            color: var(--gold-amber);
            border-left-color: var(--gold-amber);
        }

        /* ===== 步骤 ===== */
        .step-item {
            position: relative;
        }

        .step-line {
            position: absolute;
            left: 24px;
            top: 56px;
            bottom: -24px;
            width: 1px;
            background: linear-gradient(to bottom, var(--gold-amber), rgba(255, 176, 32, 0.1));
        }

        .step-item:last-child .step-line {
            display: none;
        }

        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold-orange), var(--gold-amber));
            color: #0D0E12;
            font-weight: 800;
            font-size: 1.125rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-variant-numeric: tabular-nums;
        }

        /* ===== Hero 分类页 ===== */
        .hero-category {
            position: relative;
            min-height: 56vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(180deg, rgba(13, 14, 18, 0.55) 0%, rgba(13, 14, 18, 0.35) 50%, var(--bg-dark) 100%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .section-divider {
            height: 1px;
            background: linear-gradient(to right, transparent, rgba(255, 176, 32, 0.25), transparent);
            margin: 3rem 0;
            border: none;
        }

        .section-prefix {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8125rem;
            font-weight: 600;
            color: var(--gold-amber);
            letter-spacing: 0.08em;
            margin-bottom: 0.75rem;
        }

        .section-prefix::before {
            content: "";
            width: 20px;
            height: 1px;
            background: linear-gradient(135deg, var(--gold-orange), var(--gold-amber));
        }

        /* ===== 页脚 ===== */
        .footer-link {
            display: block;
            color: var(--text-mute);
            font-size: 0.875rem;
            padding: 0.4rem 0;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

        .footer-link:hover {
            color: #FFFFFF;
            padding-left: 4px;
        }

        /* ===== 表单 ===== */
        .input-email {
            background: #1A1D24;
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 0.75rem;
            color: var(--text-primary);
            padding: 0.875rem 1.25rem;
            font-size: 0.9375rem;
            width: 100%;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
            min-height: 48px;
        }

        .input-email::placeholder {
            color: var(--text-mute);
        }

        .input-email:focus {
            outline: none;
            border-color: var(--gold-amber);
            box-shadow: 0 0 0 4px rgba(255, 176, 32, 0.15);
        }

        /* ===== 数据徽章 ===== */
        .stat-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.75rem 1.5rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 1rem;
        }

        .stat-num {
            background: linear-gradient(135deg, var(--gold-orange), var(--gold-amber));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
            font-size: 1.625rem;
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        /* ===== 移动端 ===== */
        .mobile-menu-btn {
            display: none;
        }

        @media (max-width: 768px) {
            .desktop-nav {
                display: none !important;
            }
            .mobile-menu-btn {
                display: inline-flex !important;
            }
            .hero-category {
                min-height: 60vh;
            }
            .toc-wrap {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .hero-category {
                min-height: 64vh;
            }
            .hero-category h1 {
                font-size: 2.25rem !important;
            }
            .stat-badge {
                padding: 0.5rem 1rem;
            }
            .stat-num {
                font-size: 1.25rem;
            }
        }

        /* 背景纹理装饰 */
        .bg-grid-pattern {
            background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.02) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.02) 50%, rgba(255, 255, 255, 0.02) 75%, transparent 75%, transparent);
            background-size: 24px 24px;
        }