:root {
        --primary: #6d5dfc;
        --accent: #22d3ee;
        --bg: #0f1020;
        --text: #e8eaf6;
        --card-bg: #15172b;
        --border: #2a2c4a;
        --shadow: 6px 6px 0px rgba(109, 93, 252, 0.15);
    }

    * {
        border-radius: 0 !important;
    }

    body {
        background-color: var(--bg);
        color: var(--text);
        font-family: 'Inter', sans-serif;
        line-height: 1.7;
        overflow-x: hidden;
    }

    h1, h2, h3, h4, .navbar-brand {
        font-weight: 900;
        letter-spacing: -0.02em;
    }

    /* 全直角加粗边框 */
    .card, .poster-card, .outline-card, .article-card, .time-item {
        border: 2px solid var(--border);
        box-shadow: 4px 4px 0 rgba(0,0,0,0.5);
        background: var(--card-bg);
    }

    .outline-card, .poster-card {
        transition: transform .15s ease, box-shadow .15s ease;
    }

    .outline-card:hover, .poster-card:hover {
        transform: translateY(-5px);
        box-shadow: 8px 8px 0 rgba(109, 93, 252, 0.2);
    }

    /* 导航吸顶 + 透明度变化 */
    .navbar-transparent {
        background: rgba(15, 16, 32, 0.85) !important;
        backdrop-filter: blur(8px);
        border-bottom: 2px solid var(--border);
    }

    .navbar {
        background: rgba(15, 16, 32, 0.9);
        transition: background .3s;
        border-bottom: 2px solid var(--border);
    }

    .navbar.scrolled {
        background: rgba(8, 9, 20, 0.98) !important;
        box-shadow: 0 8px 20px rgba(0,0,0,0.7);
    }

    .nav-link {
        font-weight: 600;
        color: var(--text) !important;
        margin: 0 .5rem;
        border-bottom: 2px solid transparent;
    }

    .nav-link:hover {
        border-bottom-color: var(--accent);
        color: var(--accent) !important;
    }

    /* hero视差 */
    .hero-section {
        position: relative;
        background: linear-gradient(180deg, #1b1c36 0%, #0f1020 100%);
        padding: 4rem 0;
        overflow: hidden;
        border-bottom: 4px solid var(--primary);
    }

    .hero-bg-parallax {
        position: absolute;
        inset: -20% 0 -20% 0;
        background-image: url('{随机图片}');
        background-size: cover;
        background-position: center 30%;
        transform: translateY(10%);
        will-change: transform;
        opacity: 0.2;
        z-index: 0;
    }

    .hero-content {
        position: relative;
        z-index: 2;
    }

    .hero-title {
        font-size: calc(2rem + 2.2vw);
        font-weight: 900;
        color: white;
    }

    .eyebrow {
        color: var(--accent);
        font-weight: 600;
        letter-spacing: .2em;
        text-transform: uppercase;
        font-size: .8rem;
    }

    .hero-media {
        border: 3px solid var(--border);
        box-shadow: 12px 12px 0 rgba(109, 93, 252, 0.2);
        max-height: 340px;
        object-fit: cover;
        width: 100%;
    }

    .signal {
        font-family: 'Courier New', monospace;
        font-size: .85rem;
        background: #191b32;
        padding: .3rem .8rem;
        border-left: 4px solid var(--primary);
    }

    /* 通用海报栅格——必用grid */
    .poster-grid {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        gap: 1.2rem;
        width: 100%;
    }
    @media (max-width: 992px) {
        .poster-grid { grid-template-columns: repeat(4, 1fr); }
    }
    @media (max-width: 576px) {
        .poster-grid { grid-template-columns: repeat(2, 1fr); }
    }

    .poster-card {
        display: flex;
        flex-direction: column;
        background: var(--card-bg);
        border: 2px solid var(--border);
        cursor: pointer;
        position: relative;
        aspect-ratio: 2 / 3;
        overflow: hidden;
        box-shadow: 4px 4px 0 #05060e;
    }

    .poster-card img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .2s;
    }

    .poster-card:hover img {
        transform: scale(1.03);
    }

    .poster-overlay {
        position: absolute;
        bottom: 0; left: 0; right: 0;
        background: linear-gradient(0deg, rgba(0,0,0,0.8) 0%, transparent 100%);
        padding: 1rem 0.5rem 0.5rem;
        display: flex;
        justify-content: space-between;
        align-items: end;
        color: white;
        font-weight: 600;
        font-size: .9rem;
    }

    .poster-overlay .score {
        font-family: 'Courier New', monospace;
        background: #ffb347;
        padding: 0 .3rem;
        color: #000;
    }

    .play-btn {
        background: var(--primary);
        color: white;
        width: 32px; height: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: .8rem;
        border: 1px solid #fff2;
    }

    .section-title {
        font-weight: 900;
        border-left: 8px solid var(--primary);
        padding-left: 1rem;
        margin: 2.5rem 0 1.2rem;
        font-size: 1.6rem;
    }

    .outline-card {
        padding: 1rem;
        background: var(--card-bg);
        border: 2px solid var(--border);
        transition: all .15s;
    }

    .time-line-item {
        position: relative;
        padding-left: 2rem;
        margin-bottom: 1.2rem;
        border-left: 3px solid var(--primary);
    }

    .time-line-item::before {
        content: "";
        position: absolute;
        left: -7px; top: 8px;
        width: 12px; height: 12px;
        background: var(--accent);
        border: 2px solid var(--bg);
    }

    /* 侧滑详情栏 */
    .slide-panel {
        position: fixed;
        top: 0; right: -380px;
        width: 340px;
        height: 100vh;
        background: #15172b;
        z-index: 9999;
        transition: right .3s ease;
        border-left: 4px solid var(--primary);
        overflow-y: auto;
        padding: 1.5rem;
        color: var(--text);
    }
    .slide-panel.show {
        right: 0;
    }
    .panel-backdrop {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.6);
        z-index: 9998;
        display: none;
    }
    .panel-backdrop.show { display: block; }

    .close-panel {
        background: none;
        border: 2px solid var(--accent);
        color: var(--accent);
        padding: .2rem .7rem;
        font-size: 1.2rem;
    }

    .footer-custom {
        border-top: 4px solid var(--primary);
        background: #0b0c1a;
        padding: 2.5rem 0;
    }

    .footer-custom a {
        color: var(--text);
        text-decoration: none;
    }

    .footer-custom a:hover { color: var(--accent); }

    .friend-link {
        background: #16182e;
        padding: .6rem .8rem;
        border: 1px dashed var(--border);
    }

/* --- 子页面追加 --- */
.guide-hero {
            padding: 120px 0 60px;
            background: linear-gradient(135deg, rgba(109,93,252,0.15) 0%, rgba(34,211,238,0.08) 50%, transparent 100%);
        }
.guide-content {
            padding: 60px 0 80px;
        }
.guide-section {
            margin-bottom: 50px;
        }
.guide-section:last-child {
            margin-bottom: 0;
        }
.guide-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 30px;
            margin-bottom: 20px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.guide-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
.guide-card h3 {
            color: var(--primary);
            font-weight: 700;
            font-size: 1.4rem;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
.guide-card h3 i {
            color: var(--accent);
        }
.guide-card p {
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 15px;
        }
.guide-card ul {
            color: var(--text);
            line-height: 1.8;
            padding-left: 20px;
        }
.guide-card ul li {
            margin-bottom: 8px;
        }
.step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            font-weight: 700;
            margin-right: 10px;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
.tip-box {
            background: rgba(109,93,252,0.1);
            border-left: 4px solid var(--primary);
            border-radius: 8px;
            padding: 15px 20px;
            margin: 20px 0;
        }
.tip-box p {
            margin-bottom: 0;
        }
.faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 25px 30px;
            margin-bottom: 15px;
        }
.faq-item h4 {
            color: var(--text);
            font-weight: 600;
            font-size: 1.1rem;
            margin-bottom: 10px;
        }
.faq-item h4 i {
            color: var(--primary);
            margin-right: 10px;
        }
.faq-item p {
            color: rgba(232,234,246,0.8);
            line-height: 1.8;
            margin-bottom: 0;
        }
.icon-circle {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(109,93,252,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
        }
.icon-circle i {
            font-size: 1.5rem;
            color: var(--primary);
        }
.badge-custom {
            background: var(--primary);
            color: white;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-right: 5px;
        }
.badge-custom-light {
            background: var(--accent);
            color: #0f1020;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }