:root {
            --shadow-light: 5px 5px 0 #000;
            --shadow-medium: 7px 7px 0 #000;
            --shadow-heavy: 9px 9px 0 #000;
            --shadow-hover: 3px 3px 0 #000;
            --border: 3px solid #000;
            --bg-cream: #FAFEFF;
            --bg-white: #FFFFFF;
            --blue: #49AFD0;
            --blue-light: #E6F7FF;
            --green: #8EB46A;
            --green-light: #D5E8C0;
            --yellow: #FAAD14;
            --yellow-light: #FFF8E1;
            --red: #FF4D4F;
            --gray-light: #F5F5F5;
            --gray-medium: #E8E8E8;
        }

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

        body {
            font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: var(--bg-cream);
            background-image:
                radial-gradient(circle, #c8dfe8 1px, transparent 1px);
            background-size: 20px 20px;
            color: #434343;
            line-height: 1.6;
            min-height: 100vh;
            padding-bottom: 2rem;
        }

        /* Language Switcher - inline with header */
        .lang-switcher {
            display: flex;
            justify-content: flex-end;
            margin-bottom: 0.5rem;
        }

        .lang-switcher select {
            padding: 0.4rem 0.8rem;
            min-width: 120px;
            text-align: center;
            text-align-last: center;
            font-family: 'Space Grotesk', sans-serif;
            font-size: 0.85rem;
            font-weight: 600;
            background: var(--blue-light);
            border: 2px solid #000;
            box-shadow: 3px 3px 0 #000;
            cursor: pointer;
            transition: background 0.2s ease;
            border-radius: 0;
            appearance: none;
            -webkit-appearance: none;
            -moz-appearance: none;
        }

        .lang-switcher select:hover {
            background: #d0efff;
        }

        .lang-switcher select:focus,
        .lang-switcher select:active {
            outline: none;
            box-shadow: 3px 3px 0 #000;
        }

        /* Container */
        .container {
            max-width: 720px;
            margin: 0 auto;
            padding: 1.5rem 1.5rem 2rem;
        }

        /* Header */
        header {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        header h1 {
            font-size: 3rem;
            font-weight: 700;
            color: #fff;
            display: inline-block;
            background: var(--blue);
            padding: 0.4rem 1.8rem;
            border: var(--border);
            box-shadow: var(--shadow-medium);
            margin-bottom: 1rem;
            transition: all 0.3s ease;
            transform-style: preserve-3d;
        }

        header h1:hover {
            transform: translateY(-3px) rotate(-1deg);
            box-shadow: var(--shadow-heavy);
        }

        header p {
            color: #434343;
            font-size: 1.1rem;
            font-weight: 500;
            letter-spacing: 0.5px;
        }

        /* Section Cards */
        .section {
            background: var(--bg-white);
            border: var(--border);
            box-shadow: var(--shadow-light);
            padding: 2rem;
            margin-bottom: 1.75rem;
            transition: all 0.3s ease;
            transform-style: preserve-3d;
        }

        .section:hover {
            transform: translateY(-2px) rotate(0.5deg);
            box-shadow: var(--shadow-medium);
        }

        .section h2 {
            font-size: 1.25rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 1.25rem;
            padding: 0.4rem 1rem;
            display: inline-block;
            border: 2px solid #000;
            box-shadow: 3px 3px 0 #000;
        }

        .section-title-blue { background: var(--blue-light); color: #434343; }
        .section-title-green { background: var(--green-light); color: #434343; }
        .section-title-yellow { background: var(--yellow-light); color: #434343; }

        /* Links Grid */
        .links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.875rem;
        }

        .links a {
            display: block;
            padding: 0.75rem 1rem;
            background: var(--bg-white);
            border: 2px solid #000;
            box-shadow: 4px 4px 0 #000;
            text-decoration: none;
            color: #000;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            transform-style: preserve-3d;
            position: relative;
            overflow: hidden;
        }

        .links a::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(73, 175, 208, 0.15), transparent);
            transition: left 0.4s ease;
        }

        .links a:hover::before {
            left: 100%;
        }

        .links a:hover {
            transform: translate(3px, 3px) rotate(-1deg);
            box-shadow: var(--shadow-hover);
            background: var(--blue-light);
        }

        .links.full { grid-template-columns: 1fr; }
        .links + .links { margin-top: 0.875rem; }

        /* Tags */
        .tag {
            display: inline-block;
            font-size: 0.7rem;
            padding: 0.15rem 0.5rem;
            border: 1.5px solid #000;
            margin-left: 0.5rem;
            font-weight: 700;
            vertical-align: middle;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .tag-blue { background: #2A7A96; color: #fff; }
        .tag-green { background: #5F8A3C; color: #fff; }
        .tag-purple { background: #7D3E9E; color: #fff; }
        .tag-red { background: #D93025; color: #fff; }

        /* Tor Links */
        .tor-link {
            display: block;
            padding: 0.75rem 1rem;
            background: var(--gray-medium);
            border: 2px solid #000;
            box-shadow: 4px 4px 0 #000;
            font-family: 'Courier New', 'Courier', monospace;
            font-size: 0.8rem;
            color: #000;
            text-decoration: none;
            word-break: break-all;
            margin-bottom: 0.875rem;
            transition: background 0.2s ease;
            transform-style: preserve-3d;
        }

        .tor-link:hover {
            transform: translate(3px, 3px);
            box-shadow: var(--shadow-hover);
            background: var(--gray-medium);
        }

        .tor-link .tag {
            font-family: 'Space Grotesk', sans-serif;
        }

        /* App Links */
        .app-links {
            display: flex;
            gap: 0.875rem;
            flex-wrap: wrap;
        }

        .app-links a {
            padding: 0.65rem 1.25rem;
            background: var(--blue);
            border: 2px solid #000;
            box-shadow: 4px 4px 0 #000;
            text-decoration: none;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            transform-style: preserve-3d;
        }

        .app-links a:hover {
            transform: translate(3px, 3px) rotate(-1deg);
            box-shadow: var(--shadow-hover);
            background: #3d97b5;
        }

        /* Table */
        table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 1rem;
            border: 2px solid #000;
            box-shadow: 2px 2px 0 #000;
        }

        th, td {
            text-align: left;
            padding: 0.6rem 1rem;
            border: 1px solid #000;
            font-size: 0.9rem;
        }

        th {
            font-weight: 700;
            background: var(--yellow-light);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: #434343;
        }

        tr:nth-child(even) td {
            background: var(--gray-light);
        }

        tr:hover td {
            background: #e8f8ff;
        }

        th:nth-child(2),
        td:nth-child(2) {
            text-align: center;
        }

        /* Note */
        .note {
            font-size: 0.875rem;
            color: #555;
            margin-top: 1rem;
            font-weight: 500;
            padding-left: 0.5rem;
            border-left: 3px solid var(--blue);
        }

        /* Warning Section */
        .warning {
            background: var(--red);
            border: var(--border);
            box-shadow: var(--shadow-medium);
            padding: 2rem;
            margin-bottom: 1.75rem;
            position: relative;
            overflow: hidden;
        }

        .warning::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: repeating-linear-gradient(
                45deg,
                transparent,
                transparent 10px,
                rgba(255, 255, 255, 0.1) 10px,
                rgba(255, 255, 255, 0.1) 20px
            );
            pointer-events: none;
        }

        .warning h2 {
            color: #434343;
            font-size: 1.25rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 1rem;
            background: var(--yellow-light);
            padding: 0.4rem 1rem;
            display: inline-block;
            border: 2px solid #000;
            box-shadow: 3px 3px 0 #000;
            position: relative;
            z-index: 1;
        }

        .warning p {
            color: #fff;
            font-weight: 700;
            position: relative;
            z-index: 1;
        }

        .fake-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin: 1rem 0;
            position: relative;
            z-index: 1;
        }

        .fake-list code {
            background: #fff;
            padding: 0.4rem 0.9rem;
            border: 2px solid #000;
            text-decoration: line-through;
            color: #000;
            font-size: 0.95rem;
            font-weight: 700;
            box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.3);
            transition: background 0.2s ease;
        }

        .fake-list code:hover {
            transform: scale(1.05);
            box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.4);
        }

        /* Footer */
        footer {
            text-align: center;
            padding: 2rem 0 1rem;
            color: #444;
            font-size: 0.85rem;
            font-weight: 600;
        }

        footer a {
            color: #000;
            text-decoration: none;
            border-bottom: 2px solid var(--green);
            transition: background 0.2s ease;
        }

        footer a:hover {
            background: var(--blue-light);
            color: #434343;
        }

        .disclaimer {
            font-size: 0.75rem;
            color: #888;
            font-weight: 400;
            max-width: 600px;
            margin: 1rem auto 0;
            line-height: 1.6;
        }

        /* RTL Support */
        [dir="rtl"] {
            text-align: right;
        }

        [dir="rtl"] .tag {
            margin-left: 0;
            margin-right: 0.5rem;
        }

        [dir="rtl"] .lang-switcher {
            justify-content: flex-start;
        }


        /* Utility Classes */
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        .tor-intro {
            margin-bottom: 1rem;
            font-size: 0.9rem;
            font-weight: 600;
        }

        .warning-note {
            font-size: 0.9rem;
            margin-top: 0.75rem;
            position: relative;
            z-index: 1;
        }

        /* Table Wrapper for mobile scroll */
        .table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        /* WeChat Browser Overlay */
        .wechat-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.85);
            z-index: 9999;
            justify-content: center;
            align-items: center;
            padding: 2rem;
        }

        .wechat-overlay.active {
            display: flex;
        }

        .wechat-card {
            background: #fff;
            border: 3px solid #000;
            box-shadow: 8px 8px 0 #000;
            padding: 2.5rem 2rem;
            max-width: 380px;
            width: 100%;
            text-align: center;
            position: relative;
        }

        .wechat-card .arrow {
            position: absolute;
            top: -50px;
            right: 20px;
            width: 0;
            height: 0;
            border-left: 15px solid transparent;
            border-right: 15px solid transparent;
            border-bottom: 25px solid #fff;
            filter: drop-shadow(0 -3px 0 #000);
        }

        .wechat-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #000;
            margin-bottom: 1rem;
        }

        .wechat-card p {
            font-size: 0.95rem;
            color: #434343;
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }

        .wechat-card .steps {
            text-align: left;
            background: var(--blue-light);
            border: 2px solid #000;
            padding: 1rem 1.25rem;
            margin-bottom: 1.5rem;
        }

        .wechat-card .steps li {
            font-size: 0.9rem;
            font-weight: 600;
            color: #000;
            margin-bottom: 0.5rem;
            list-style: decimal;
        }

        .wechat-card .steps li:last-child {
            margin-bottom: 0;
        }

        .wechat-close {
            background: var(--blue);
            color: #fff;
            border: 2px solid #000;
            box-shadow: 3px 3px 0 #000;
            padding: 0.6rem 2rem;
            font-family: 'Space Grotesk', sans-serif;
            font-size: 0.95rem;
            font-weight: 700;
            cursor: pointer;
        }

        .wechat-close:hover {
            transform: translate(2px, 2px);
            box-shadow: 1px 1px 0 #000;
        }

        /* Mobile */
        @media (max-width: 640px) {
            header h1 {
                font-size: 2rem;
                padding: 0.3rem 1.2rem;
            }

            header p {
                font-size: 0.95rem;
            }

            .container {
                padding: 1rem 1rem 1.5rem;
            }

            .section {
                padding: 1.5rem;
                box-shadow: var(--shadow-light);
            }

            .section:hover {
                transform: none;
                box-shadow: var(--shadow-light);
            }

            .links {
                grid-template-columns: 1fr;
            }

            .warning {
                padding: 1.5rem;
                box-shadow: var(--shadow-light);
            }

            .fake-list {
                flex-direction: column;
            }

            .fake-list code {
                display: block;
                text-align: center;
            }

            .links a:hover {
                transform: none;
                box-shadow: 4px 4px 0 #000;
            }

            .table-wrap {
                overflow-x: auto;
            }

        }

        @media (max-width: 480px) {
            header h1 {
                font-size: 1.75rem;
            }

            .app-links {
                flex-direction: column;
            }

            .app-links a {
                text-align: center;
            }
        }

        /* Smooth Scroll */
        html {
            scroll-behavior: smooth;
        }

        /* Selection */
        ::selection {
            background: var(--blue);
            color: #fff;
        }

        /* Focus */
        a:focus-visible,
        select:focus-visible {
            outline: 3px solid var(--blue);
            outline-offset: 2px;
        }

        /* How-To Guide */
        .howto-steps {
            counter-reset: step;
        }
        .howto-step {
            display: flex;
            gap: 1rem;
            margin-bottom: 1rem;
            align-items: flex-start;
        }
        .howto-step::before {
            counter-increment: step;
            content: counter(step);
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            line-height: 32px;
            text-align: center;
            background: var(--blue);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            border: 2px solid #000;
            box-shadow: 2px 2px 0 #000;
        }
        .howto-step p {
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 0;
        }

        /* Safety Tips */
        .safety-list {
            list-style: none;
            padding: 0;
        }
        .safety-list li {
            padding: 0.6rem 0;
            border-bottom: 1px dashed var(--gray-medium);
            font-size: 0.9rem;
            line-height: 1.6;
            padding-left: 1.5rem;
            position: relative;
        }
        .safety-list li:last-child {
            border-bottom: none;
        }
        .safety-list li::before {
            content: '>';
            position: absolute;
            left: 0;
            color: var(--green);
            font-weight: 700;
            font-size: 1.1rem;
        }

        /* FAQ */
        .faq-item {
            border: 2px solid var(--gray-medium);
            margin-bottom: 0.75rem;
            transition: border-color 0.2s ease;
        }
        .faq-item:hover {
            border-color: var(--blue);
        }
        .faq-question {
            padding: 0.75rem 1rem;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--gray-light);
            user-select: none;
        }
        .faq-question::after {
            content: '+';
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--blue);
            transition: transform 0.2s ease;
        }
        .faq-item.active .faq-question::after {
            content: '-';
        }
        .faq-answer {
            padding: 0 1rem;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            font-size: 0.875rem;
            line-height: 1.7;
            color: #555;
        }
        .faq-item.active .faq-answer {
            padding: 0.75rem 1rem;
            max-height: 600px;
        }