:root {
        --bg-dark: #0f0e13;
        --bg-indigo: #161424;
        --bg-wine: #261119;
        --gold: #d4af37;
        --gold-light: #f3e5ab;
        --fog-blue: #8ca8c6;
        --neon-pink: #ff3377;
        --text-main: #f0f0f0;
        --text-muted: #9e9ea7;
        --font-serif: "Noto Serif SC", "Songti SC", serif;
        --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        --spacing-base: 1rem;
        --transition: all 0.3s ease;
    }

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

    body {
        background-color: var(--bg-dark);
        color: var(--text-main);
        font-family: var(--font-sans);
        line-height: 1.6;
        overflow-x: hidden;
        background-image: radial-gradient(circle at 50% 0%, var(--bg-indigo) 0%, var(--bg-dark) 70%);
    }

    /* Custom Scrollbar */
    ::-webkit-scrollbar {
        width: 6px;
    }
    ::-webkit-scrollbar-track {
        background: var(--bg-dark);
    }
    ::-webkit-scrollbar-thumb {
        background: linear-gradient(to bottom, var(--gold), var(--neon-pink));
        border-radius: 3px;
    }

    /* Typography */
    h1, h2, h3, .serif {
        font-family: var(--font-serif);
        font-weight: 500;
    }

    a {
        color: inherit;
        text-decoration: none;
    }

    /* Layout */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 5vw;
    }

    section {
        padding: 6rem 0;
        position: relative;
    }

    .section-header {
        margin-bottom: 4rem;
        display: flex;
        align-items: baseline;
        gap: 1rem;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        padding-bottom: 1rem;
    }

    .section-num {
        font-family: var(--font-sans);
        color: var(--gold);
        font-size: 0.9rem;
        letter-spacing: 2px;
    }

    .section-title {
        font-size: 2rem;
        letter-spacing: 1px;
    }

    /* Header */
    header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        padding: 1.5rem 5vw;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 100;
        transition: var(--transition);
    }

    header.scrolled {
        background: rgba(15, 14, 19, 0.85);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        padding: 1rem 5vw;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }

    .logo-box {
        display: flex;
        align-items: center;
        gap: 0.8rem;
    }

    .logo-box img {
        height: 32px;
        width: auto;
        object-fit: contain;
    }

    .logo-text {
        font-family: var(--font-serif);
        font-size: 1.2rem;
        font-weight: bold;
        letter-spacing: 2px;
    }

    .nav-links {
        display: none;
    }

    .nav-links a {
        margin-left: 2rem;
        font-size: 0.9rem;
        color: var(--text-muted);
        transition: var(--transition);
    }

    .nav-links a:hover {
        color: var(--gold);
    }

    .btn-download {
        background: linear-gradient(135deg, var(--gold), #b8952a);
        color: #000;
        padding: 0.6rem 1.5rem;
        border-radius: 4px;
        font-weight: bold;
        font-size: 0.9rem;
        transition: var(--transition);
        border: none;
        cursor: pointer;
    }

    .btn-download:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
    }

    /* Hero */
    .hero {
        height: 100vh;
        display: flex;
        align-items: center;
        position: relative;
        overflow: hidden;
        padding: 0;
    }

    .hero-bg {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 0;
    }

    .hero-bg img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 0;
        animation: crossFade 15s infinite;
        filter: brightness(0.4) contrast(1.1);
    }

    .hero-bg img:nth-child(2) { animation-delay: 5s; }
    .hero-bg img:nth-child(3) { animation-delay: 10s; }

    @keyframes crossFade {
        0% { opacity: 0; transform: scale(1.05); }
        10% { opacity: 1; }
        33% { opacity: 1; }
        43% { opacity: 0; transform: scale(1); }
        100% { opacity: 0; }
    }

    .hero-content {
        position: relative;
        z-index: 10;
        max-width: 800px;
        padding-left: 5vw;
    }

    .hero h1 {
        font-size: 3rem;
        line-height: 1.2;
        margin-bottom: 1.5rem;
        background: linear-gradient(to right, #fff, var(--gold-light));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .hero p {
        font-size: 1.1rem;
        color: var(--text-muted);
        margin-bottom: 2.5rem;
        max-width: 600px;
    }

    .hero-cta {
        display: flex;
        gap: 1rem;
    }

    .btn-outline {
        background: transparent;
        border: 1px solid var(--gold);
        color: var(--gold);
        padding: 0.6rem 1.5rem;
        border-radius: 4px;
        font-weight: bold;
        font-size: 0.9rem;
        transition: var(--transition);
        cursor: pointer;
    }

    .btn-outline:hover {
        background: rgba(212, 175, 55, 0.1);
    }

    /* Manifesto */
    .manifesto {
        background: var(--bg-wine);
        background: linear-gradient(180deg, var(--bg-dark), var(--bg-wine), var(--bg-dark));
    }

    .manifesto .container {
        display: flex;
        flex-direction: column;
        gap: 3rem;
    }

    .manifesto-text {
        font-size: 1.8rem;
        line-height: 1.5;
        font-family: var(--font-serif);
        color: #fff;
    }
    
    .manifesto-text span {
        color: var(--gold);
    }

    .manifesto-img {
        width: 100%;
        border-radius: 8px;
        overflow: hidden;
        border: 1px solid rgba(255,255,255,0.1);
        box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }

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

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

    .gallery-item {
        position: relative;
        border-radius: 6px;
        overflow: hidden;
        aspect-ratio: 3/4;
        border: 1px solid rgba(255,255,255,0.05);
    }

    .gallery-item img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

    .gallery-item:hover img {
        transform: scale(1.05);
    }

    .gallery-info {
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        padding: 1.5rem 1rem 1rem;
        background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    }

    .gallery-tag {
        font-size: 0.7rem;
        padding: 2px 6px;
        background: var(--gold);
        color: #000;
        border-radius: 2px;
        display: inline-block;
        margin-bottom: 0.5rem;
    }

    .gallery-title {
        font-size: 1rem;
        font-weight: bold;
    }

    /* Themes */
    .theme-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 0.8rem;
        margin-bottom: 2rem;
    }

    .theme-tag {
        padding: 0.5rem 1rem;
        border: 1px solid rgba(255,255,255,0.2);
        border-radius: 20px;
        font-size: 0.9rem;
        color: var(--text-muted);
        transition: var(--transition);
    }

    .theme-tag:hover {
        border-color: var(--gold);
        color: var(--gold);
    }

    /* Footer */
    footer {
        padding: 4rem 0 2rem;
        border-top: 1px solid rgba(255,255,255,0.05);
        font-size: 0.85rem;
        color: var(--text-muted);
    }

    .footer-content {
        display: flex;
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .footer-links a {
        margin: 0 0.5rem;
        transition: var(--transition);
    }

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

    .update-time {
        font-size: 0.75rem;
        color: #666;
        margin-top: 1rem;
    }

    /* Responsive */
    @media (min-width: 768px) {
        .nav-links {
            display: flex;
        }
        .hero h1 {
            font-size: 4rem;
        }
        .manifesto .container {
            flex-direction: row;
            align-items: center;
        }
        .manifesto-text {
            flex: 1;
            font-size: 2.2rem;
        }
        .manifesto-img {
            flex: 0 0 300px;
        }
        .grid-gallery {
            grid-template-columns: repeat(3, 1fr);
        }
        .footer-content {
            flex-direction: row;
            justify-content: space-between;
            text-align: left;
        }
    }

    @media (min-width: 1024px) {
        .hero h1 {
            font-size: 5rem;
        }
        .grid-gallery {
            grid-template-columns: repeat(4, 1fr);
        }
        .gallery-item {
            aspect-ratio: 9/16;
        }
    }