:root {
    --bg-color: #F5F2EB;
    --text-main: #2D2B2A;
    --text-muted: #7A7571;
    --line-color: #D6D1C4;
    --accent-color: #2D2B2A; 
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: "Helvetica Neue", Arial, sans-serif;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    position: relative;
    /* 隐藏系统默认鼠标，使用自定义光标 */
    cursor: none; 
}

/* 胶片噪点滤镜 */
body::before {
    content: "";
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.05; 
    z-index: 9999; 
    pointer-events: none;
}

h1 { font-size: 5rem; font-weight: 500; letter-spacing: -0.02em; margin: 20px 0; }
h2 { font-size: 2.8rem; font-weight: 500; margin-bottom: 20px; }
p { font-size: 1.1rem; color: var(--text-muted); line-height: 1.8; }
.subtitle, .section-num { font-size: 0.9rem; letter-spacing: 0.1em; text-transform: uppercase; }

.draw-line { height: 1px; background-color: var(--line-color); width: 0%; margin: 30px 0; }
.draw-line.center-line { margin: 30px auto; }
.text-reveal { overflow: hidden; margin-bottom: 10px; }
.text-reveal > span { display: block; transform: translateY(110%); }

.hero { height: 100vh; display: flex; justify-content: center; align-items: center; text-align: center; }
.content-section { padding: 100px 0; }
.container { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; gap: 8%; padding: 0 40px; }
.reverse .container { flex-direction: row-reverse; }

.content-section.reverse { background-color: #FFFFFF; padding: 120px 0; }
.text-block { flex: 1; }
.image-block { flex: 1.2; height: 80vh; position: relative; overflow: hidden; }
.reveal-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: var(--bg-color); z-index: 2; transform-origin: top; }
.content-section.reverse .reveal-overlay { background-color: #FFFFFF; }
.parallax-bg { width: 100%; height: 130%; background-size: cover; background-position: center; position: absolute; top: -15%; z-index: 1; }

/* CTA 板块 */
.cta-section {
    min-height: 100vh; 
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    text-align: center;
    background: linear-gradient(to bottom, var(--bg-color), #EAE6DE);
    padding: 0; 
}
.cta-button {
    position: relative; display: inline-block; padding: 18px 50px;
    border: 1px solid var(--accent-color); color: var(--accent-color);
    text-decoration: none; font-size: 1.1rem; letter-spacing: 1px;
    overflow: hidden; z-index: 1; cursor: none; /* 确保按钮上也没系统鼠标 */
}
.btn-text { position: relative; z-index: 2; transition: color 0.4s ease; }
.btn-fill {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-color: var(--accent-color); z-index: 1;
    transform: translateY(100%); transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}
.cta-button:hover .btn-text { color: var(--bg-color); }
.cta-button:hover .btn-fill { transform: translateY(0); }

/* 导航栏 */
.top-nav {
    position: fixed; top: 0; left: 0; width: 100%; height: 70px;
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 6%; z-index: 1000;
    background-color: rgba(245, 242, 235, 0.75);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(214, 209, 196, 0.4);
}
.nav-brand { font-size: 1.2rem; font-weight: 600; letter-spacing: 1px; color: var(--text-main); }
.nav-links { list-style: none; display: flex; gap: 40px; }
.nav-links a {
    text-decoration: none; color: var(--text-main); font-size: 0.95rem;
    letter-spacing: 1px; position: relative; cursor: none;
}
.nav-links a::after {
    content: ''; position: absolute; width: 0; height: 1px; bottom: -4px; left: 0;
    background-color: var(--text-main); transition: width 0.3s ease;
}
.nav-links a:hover::after { width: 100%; }

/* --- 极简自定义光标 (关键修复) --- */
@media (pointer: fine) {
    body, a, button, input, textarea { cursor: none !important; }
}

.custom-cursor {
    position: fixed; top: 0; left: 0; width: 10px; height: 10px;
    background-color: var(--text-main); border-radius: 50%;
    pointer-events: none; /* 让点击穿透光标 */
    /* 修复：将层级设为最高，超过所有弹窗 */
    z-index: 999999; 
    transition: width 0.3s cubic-bezier(0.19, 1, 0.22, 1), 
                height 0.3s cubic-bezier(0.19, 1, 0.22, 1), 
                background-color 0.3s ease,
                backdrop-filter 0.3s ease;
}
.custom-cursor.is-active {
    width: 80px; height: 80px;
    background-color: rgba(45, 43, 42, 0.08);
    backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
@media (hover: none) and (pointer: coarse) {
    .custom-cursor { display: none; }
}

/* 社区页面样式 */
.community-header { padding: 150px 0 80px; text-align: center; background-color: var(--bg-color); }
.gallery-section { padding: 40px 0 100px; background-color: #FFFFFF; min-height: 50vh; }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1px)); gap: 40px; width: 100%; }
.gallery-card {
    background: var(--bg-color); padding: 20px; opacity: 0;
    transform: translateY(30px); transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: none;
}
.gallery-card:hover { transform: translateY(25px); box-shadow: 0 10px 30px rgba(0,0,0,0.05); }

.card-img-wrapper { position: relative; width: 100%; height: 240px; margin-bottom: 15px; overflow: hidden; }
.gallery-card img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(20%); transition: filter 0.3s ease; }
.gallery-card:hover img { filter: grayscale(0%); }
.multi-icon {
    position: absolute; top: 10px; right: 10px; width: 20px; height: 20px;
    background: rgba(0,0,0,0.5); border-radius: 4px;
    box-shadow: 2px 2px 0 rgba(255,255,255,0.8);
}
.gallery-card h3 { font-size: 1.1rem; margin-bottom: 8px; font-weight: 500; }
.gallery-card p { font-size: 0.95rem; line-height: 1.6; }
.placeholder { text-align: center; padding: 50px; color: var(--text-muted); grid-column: 1 / -1; }

/* 投稿弹窗 */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(45, 43, 42, 0.4); backdrop-filter: blur(8px);
    z-index: 99999; /* 低于光标 */
    display: flex; justify-content: center; align-items: center;
    opacity: 0; pointer-events: none; transition: opacity 0.4s ease;
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-content {
    background-color: var(--bg-color); padding: 50px; width: 90%; max-width: 500px;
    position: relative; transform: translateY(20px); transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}
.modal-overlay.active .modal-content { transform: translateY(0); }
.close-btn {
    position: absolute; top: 20px; right: 20px; background: none; border: none;
    font-size: 2rem; color: var(--text-muted); cursor: none; transition: color 0.3s;
}
.close-btn:hover { color: var(--text-main); }
.submit-form .form-group { margin-bottom: 25px; text-align: left; }
.submit-form label { display: block; font-size: 0.9rem; margin-bottom: 8px; font-weight: 500; }
.submit-form input[type="text"], .submit-form textarea {
    width: 100%; padding: 12px; background: transparent; border: 1px solid var(--line-color);
    color: var(--text-main); font-family: inherit; font-size: 1rem; cursor: none;
}
.submit-btn {
    width: 100%; padding: 15px; background-color: var(--accent-color); color: #fff;
    border: none; font-size: 1.05rem; letter-spacing: 2px; cursor: none; transition: background-color 0.3s;
}
.submit-btn:hover { background-color: #444; }

/* 详情弹窗 */
.detail-modal-overlay {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(10px);
    z-index: 100000; /* 低于光标 */
    display: flex; justify-content: center; align-items: center;
    opacity: 0; pointer-events: none; transition: opacity 0.3s ease;
}
.detail-modal-overlay.active { opacity: 1; pointer-events: auto; }
.detail-modal-content {
    background: #fff; width: 90vw; max-width: 1000px; height: 85vh;
    border-radius: 16px; overflow: hidden; position: relative;
    display: flex; flex-direction: row; box-shadow: 0 20px 50px rgba(0,0,0,0.2);
    transform: scale(0.95); transition: transform 0.3s cubic-bezier(0.19, 1, 0.22, 1);
}
.detail-modal-overlay.active .detail-modal-content { transform: scale(1); }
.close-detail-btn {
    position: absolute; top: 15px; left: 15px; z-index: 10;
    background: rgba(0,0,0,0.3); color: white; width: 32px; height: 32px;
    border-radius: 50%; border: none; font-size: 20px;
    cursor: none; display: flex; align-items: center; justify-content: center;
}
.close-detail-btn:hover { background: rgba(0,0,0,0.6); }

.detail-layout { display: flex; width: 100%; height: 100%; }
.detail-images { flex: 1.4; background: #000; position: relative; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.image-slider { display: flex; transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1); height: 100%; width: 100%; }
.slide-item { min-width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
.slide-item img { max-width: 100%; max-height: 100%; object-fit: contain; }

.slider-nav {
    position: absolute; top: 50%; transform: translateY(-50%);
    background: rgba(255,255,255,0.2); border: none; color: white;
    padding: 10px; cursor: none; border-radius: 50%; opacity: 0; transition: opacity 0.3s;
}
.detail-images:hover .slider-nav { opacity: 1; }
.prev { left: 10px; }
.next { right: 10px; }
.slider-dots { position: absolute; bottom: 20px; left: 0; width: 100%; display: flex; justify-content: center; gap: 8px; }
.dot { width: 6px; height: 6px; background: rgba(255,255,255,0.5); border-radius: 50%; cursor: none; }
.dot.active { background: white; transform: scale(1.2); }

.detail-info { flex: 1; padding: 30px; display: flex; flex-direction: column; background: #fff; border-left: 1px solid #eee; }
.author-info { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; padding-bottom: 15px; border-bottom: 1px solid #f5f5f5; }
.avatar-circle { width: 40px; height: 40px; background: #eee; border-radius: 50%; background-size: cover; }
.scrollable-text { flex-grow: 1; overflow-y: auto; padding-right: 10px; }
.detail-footer { margin-top: 20px; padding-top: 15px; border-top: 1px solid #f5f5f5; font-size: 0.8rem; color: #aaa; }

@media (max-width: 768px) {
    .detail-modal-content { flex-direction: column; height: 90vh; width: 95vw; }
    .detail-images { flex: 1; min-height: 40vh; }
    .detail-info { flex: 1; padding: 20px; }
    .close-detail-btn { top: 10px; right: 10px; left: auto; }
}