:root {
  --primary: #6d5dfc;
  --accent: #22d3ee;
  --bg: #0f1020;
  --text: #e8eaf6;
  --card-radius: 20px;
  --soft-shadow: 0 8px 30px rgba(0,0,0,0.6);
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}
body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-main);
  overflow-x: hidden;
}
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #1a1c2e; }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 8px; }
#progressBar {
  position: fixed; top: 0; left: 0; height: 4px; background: linear-gradient(90deg,var(--primary),var(--accent));
  width: 0%; z-index: 9999; border-radius: 0 2px 2px 0;
}
.navbar-custom {
  background: rgba(15, 16, 32, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 0.7rem 1rem;
  position: sticky; top: 0; z-index: 1050;
}
.navbar-brand {
  font-weight: 800; font-size: 1.6rem; letter-spacing: -0.5px;
  background: linear-gradient(120deg, var(--primary), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; margin-right: 2rem;
}
.nav-link {
  font-weight: 500; color: var(--text); opacity: 0.85; transition: all 0.2s;
  border-radius: 30px; padding: 0.5rem 1rem !important;
}
.nav-link:hover { opacity: 1; color: var(--accent); background: rgba(255,255,255,0.05); }
.btn-custom {
  background: var(--primary); border: none; border-radius: 50px; color: #fff; font-weight: 600;
  padding: 0.5rem 1.5rem; box-shadow: 0 4px 15px rgba(109, 93, 252, 0.3); transition: 0.2s;
}
.btn-custom:hover { background: var(--accent); color: #0f1020; transform: scale(1.02); }
.hero-section {
  position: relative; padding: 3.5rem 0 4rem;
  background: radial-gradient(circle at 20% 30%, rgba(109,93,252,0.2), transparent 40%),
              radial-gradient(circle at 80% 70%, rgba(34,211,238,0.15), transparent 40%);
}
.hero-title {
  font-weight: 900; font-size: clamp(2rem, 6vw, 4rem);
  background: linear-gradient(135deg, var(--accent), var(--primary) 70%, var(--text));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; letter-spacing: -1px; line-height: 1.2;
}
.hero-sub { color: #b0b8d0; font-size: 1.1rem; }
.hero-float {
  position: absolute; top: 10%; right: 8%; font-size: 4rem; opacity: 0.3; animation: float 5s infinite;
}
@keyframes float { 0%,100%{transform: translateY(0)} 50%{transform: translateY(-15px)} }
.section-title { font-weight: 800; font-size: 1.8rem; margin-bottom: 2rem; position: relative; }
.section-title span { background: linear-gradient(120deg, var(--primary), var(--accent)); -webkit-background-clip:text; background-clip: text; -webkit-text-fill-color: transparent; }
.filter-panel {
  background: rgba(20,22,40,0.6); border-radius: 24px; padding: 1.5rem 1rem; backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.04); position: sticky; top: 90px;
}
.filter-category { list-style: none; padding: 0; }
.filter-category li { padding: 0.6rem 1rem; margin: 0.2rem 0; border-radius: 50px; cursor: pointer; font-weight: 500; transition: 0.2s; }
.filter-category li:hover, .filter-category li.active { background: var(--primary); color: #fff; }
.filter-category i { margin-right: 0.6rem; width: 1.6rem; text-align: center; }
.card-movie {
  background: #181b33; border-radius: var(--card-radius); overflow: hidden;
  border: 1px solid rgba(255,255,255,0.05); transition: all 0.3s ease;
  height: 100%; box-shadow: 0 4px 15px rgba(0,0,0,0.4);
  cursor: pointer; position: relative;
}
.card-movie:hover { transform: scale(1.02); border-color: var(--accent); box-shadow: 0 10px 30px rgba(34,211,238,0.15); }
.card-movie img { width: 100%; height: 280px; object-fit: cover; display: block; background: #22243a; opacity: 0; transition: opacity 0.5s; }
.card-movie img.loaded { opacity: 1; }
.card-movie .poster-grad {
  position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,16,32,0.9) 0%, transparent 50%); pointer-events: none;
}
.play-overlay {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  background: rgba(109, 93, 252, 0.7); width: 60px; height: 60px; border-radius: 50%; display: flex;
  align-items: center; justify-content: center; backdrop-filter: blur(2px); opacity: 0; transition: 0.3s; color: white; font-size: 1.6rem;
}
.card-movie:hover .play-overlay { opacity: 1; }
.movie-info { padding: 0.8rem 1rem 1rem; position: relative; z-index: 3; }
.movie-title { font-weight: 700; font-size: 1.1rem; margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.movie-meta { display: flex; justify-content: space-between; color: #aab0cc; font-size: 0.85rem; }
.rating-badge { background: rgba(34,211,238,0.2); color: var(--accent); padding: 2px 8px; border-radius: 30px; font-weight: 600; }
.badge-type { background: var(--primary); color: white; font-size: 0.7rem; padding: 2px 8px; border-radius: 30px; }
.timeline-list { list-style: none; padding-left: 1rem; border-left: 2px solid var(--primary); }
.timeline-list li { margin-bottom: 1rem; position: relative; padding-left: 1.5rem; }
.timeline-list li::before { content: '▹'; color: var(--accent); position: absolute; left: -0.5rem; font-size: 1.3rem; }
.friend-links a { color: #9ea6cc; text-decoration: none; margin: 0 0.8rem; display: inline-block; }
.friend-links a:hover { color: var(--accent); }
footer { border-top: 1px solid rgba(255,255,255,0.05); padding: 2rem 0; margin-top: 4rem; }
.img-lazy-placeholder { background: linear-gradient(120deg, #1f2340, #2a2e50); }
/* modal custom */
.movie-modal {
  background: white; color: #111; border-radius: 24px; max-width: 700px; overflow: hidden;
}
.movie-modal .modal-poster { width: 100%; height: auto; }
.modal-backdrop { background: rgba(0,0,0,0.7); backdrop-filter: blur(3px); }
@media (max-width: 992px) { .filter-panel { position: static; } }

/* --- 子页面追加 --- */
/* 关于页卡片式介绍块,沿用站点变量,不使用 Bootstrap 组件类 */
        .about-card {
            background: rgba(255,255,255,0.03);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--card-radius);
            padding: 2rem 1.5rem;
            height: 100%;
            backdrop-filter: blur(4px);
            transition: transform .2s ease, border-color .2s ease;
        }
.about-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
        }
.about-card i {
            color: var(--accent);
            font-size: 2.2rem;
            margin-bottom: 1rem;
        }
.about-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
            margin-bottom: 0.75rem;
        }
.about-card p {
            color: rgba(232,234,246,0.8);
            font-size: 0.95rem;
            line-height: 1.6;
        }
.about-list-icon {
            color: var(--primary);
            margin-right: 0.5rem;
            font-size: 0.9rem;
        }
.about-strong {
            color: var(--accent);
            font-weight: 600;
        }
.about-section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }
.about-subtext {
            color: rgba(232,234,246,0.6);
            max-width: 720px;
            margin: 0 auto 2.5rem auto;
        }
/* 数字统计条(完全自写) */
        .about-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 1.5rem;
            margin: 3rem 0 2rem 0;
            padding: 2rem 0;
            border-top: 1px solid rgba(255,255,255,0.08);
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
.about-stat-item {
            flex: 1 1 150px;
            text-align: center;
        }
.about-stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
.about-stat-label {
            font-size: 0.9rem;
            color: rgba(232,234,246,0.7);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
.about-principle-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
.about-principle-list li {
            padding: 0.8rem 0;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            font-size: 0.98rem;
            color: rgba(232,234,246,0.9);
        }
.about-principle-list li:last-child {
            border-bottom: none;
        }
.about-principle-list i {
            color: var(--accent);
            margin-top: 0.2rem;
            width: 1.2rem;
            text-align: center;
        }
.about-note {
            background: rgba(109,93,252,0.08);
            border-left: 4px solid var(--primary);
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 2.5rem 0 1rem 0;
            color: var(--text);
        }
.about-note i {
            color: var(--accent);
            margin-right: 0.5rem;
        }
.about-section-title {
                font-size: 1.7rem;
            }
.about-card {
                padding: 1.5rem 1.2rem;
            }
.about-stats {
                gap: 1rem;
            }

/* --- 子页面追加 --- */
/* 确保FAQ页面与首页色调完全一致 */
        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: var(--font-main);
        }
/* 覆盖bootstrap可能的白底 */
        .accordion-item, .accordion-button, .accordion-body {
            background-color: transparent !important;
            color: var(--text) !important;
            border: none !important;
            box-shadow: none !important;
        }
.accordion-button:not(.collapsed) {
            background-color: rgba(109, 93, 252, 0.15) !important;
            color: var(--accent) !important;
        }
.accordion-button:focus {
            box-shadow: 0 0 0 0.25rem rgba(109, 93, 252, 0.25) !important;
        }
.list-group-item {
            background-color: rgba(255,255,255,0.03) !important;
            color: var(--text) !important;
            border-color: rgba(255,255,255,0.1) !important;
        }
.faq-hero {
            background: linear-gradient(135deg, rgba(109,93,252,0.15) 0%, rgba(34,211,238,0.08) 100%);
            border-radius: var(--card-radius);
            padding: 2.5rem 2rem;
            margin-bottom: 2rem;
            border: 1px solid rgba(255,255,255,0.05);
        }
.faq-hero h1 {
            color: var(--primary);
            font-weight: 800;
            font-size: 2.2rem;
        }
.faq-hero p {
            color: var(--text);
            opacity: 0.9;
        }
.faq-section-title {
            color: var(--accent);
            font-weight: 700;
            margin-top: 2.5rem;
            margin-bottom: 1.2rem;
            border-left: 4px solid var(--primary);
            padding-left: 1rem;
        }
.accordion-button {
            font-weight: 600;
            background-color: rgba(255,255,255,0.02) !important;
            border-bottom: 1px solid rgba(255,255,255,0.08) !important;
            padding: 1rem 1.25rem;
        }
.accordion-button::after {
            filter: invert(1) brightness(2) hue-rotate(180deg);
            opacity: 0.8;
        }
.accordion-body {
            background-color: rgba(0,0,0,0.2) !important;
            border-radius: 0 0 12px 12px;
            padding: 1.2rem 1.5rem;
            line-height: 1.7;
        }
.badge-qa {
            background-color: var(--primary);
            color: white;
            font-size: 0.75rem;
            padding: 0.35em 0.8em;
            border-radius: 30px;
            margin-right: 0.5rem;
            display: inline-block;
        }
.footer-links a {
            color: var(--text);
            opacity: 0.7;
            text-decoration: none;
            margin-right: 1.2rem;
            transition: 0.2s;
        }
.footer-links a:hover {
            opacity: 1;
            color: var(--accent);
        }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.accordion-header { background:transparent !important; }
.modal-content { background:#0f1020 !important; color:#e8eaf6 !important; border-color:rgba(255,255,255,.12) !important; }
.modal-body { color:#e8eaf6 !important; }