/* ============================================
   51cg-cg在线精选视频 - aclvnj.cn
   Modern Glassmorphism Video Platform
   CSS Hash: _x9p2r
   ============================================ */

:root {
    --clr-primary_x9p2r: #e17055;
    --clr-secondary_x9p2r: #0984e3;
    --clr-accent_x9p2r: #fdcb6e;
    --clr-dark_x9p2r: #0d1117;
    --clr-darker_x9p2r: #080c12;
    --clr-surface_x9p2r: rgba(255,255,255,0.05);
    --clr-glass_x9p2r: rgba(255,255,255,0.07);
    --clr-text_x9p2r: #e6e8f0;
    --clr-muted_x9p2r: #7b8794;
    --radius_x9p2r: 14px;
    --glass-border_x9p2r: 1px solid rgba(255,255,255,0.1);
    --shadow_x9p2r: 0 10px 40px rgba(0,0,0,0.45);
    --transition_x9p2r: all 0.35s cubic-bezier(0.25,0.8,0.25,1);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', -apple-system, sans-serif;
    background: var(--clr-darker_x9p2r);
    color: var(--clr-text_x9p2r);
    line-height: 1.65;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Animated Background Mesh */
.bg-mesh_x9p2r {
    position: fixed; top:0; left:0; width:100%; height:100%; z-index:0; pointer-events:none;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(225,112,85,0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(9,132,227,0.08) 0%, transparent 50%);
    animation: meshPulse_x9p2r 30s ease-in-out infinite alternate;
}
@keyframes meshPulse_x9p2r {
    0%{opacity:0.8;transform:scale(1)} 100%{opacity:1;transform:scale(1.05)}
}

/* Top Bar */
.topbar_x9p2r {
    position: fixed; top:0; left:0; width:100%; z-index:1001;
    background: rgba(13,17,23,0.6);
    backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    border-bottom: var(--glass-border_x9p2r);
    transition: var(--transition_x9p2r);
}
.topbar_x9p2r.sticky_x9p2r {
    background: rgba(13,17,23,0.95);
    box-shadow: 0 2px 24px rgba(0,0,0,0.35);
}
.topbar-inner_x9p2r {
    max-width: 1360px; margin:0 auto; padding: 0 20px;
    display:flex; align-items:center; justify-content:space-between; height:68px;
}
.brand_x9p2r { display:flex; align-items:center; gap:10px; text-decoration:none; }
.brand_x9p2r svg { width:38px; height:38px; }
.brand-name_x9p2r {
    font-size:1.15rem; font-weight:800; color:#fff;
    background: linear-gradient(135deg, var(--clr-primary_x9p2r), var(--clr-accent_x9p2r));
    -webkit-background-clip:text; -webkit-text-fill-color:transparent;
}
.main-nav_x9p2r { display:flex; gap:6px; list-style:none; }
.main-nav_x9p2r a {
    color: var(--clr-muted_x9p2r); text-decoration:none; padding:8px 14px;
    border-radius:10px; font-size:0.88rem; font-weight:500;
    transition: var(--transition_x9p2r); letter-spacing:0.3px;
}
.main-nav_x9p2r a:hover, .main-nav_x9p2r a.on_x9p2r {
    color:#fff; background: var(--clr-glass_x9p2r);
}
.main-nav_x9p2r a.on_x9p2r {
    border-bottom: 2px solid var(--clr-primary_x9p2r);
}

/* Global Search */
.gsearch_x9p2r { position:relative; width:220px; }
.gsearch_x9p2r input {
    width:100%; padding:9px 38px 9px 14px; border:none; outline:none;
    background: var(--clr-surface_x9p2r); color:#fff; border-radius:20px;
    font-size:0.84rem; border: var(--glass-border_x9p2r);
    transition: var(--transition_x9p2r);
}
.gsearch_x9p2r input:focus {
    background: rgba(255,255,255,0.1);
    box-shadow: 0 0 0 2px rgba(225,112,85,0.3);
}
.gsearch_x9p2r input::placeholder { color: var(--clr-muted_x9p2r); }
.gsearch-ico_x9p2r {
    position:absolute; right:10px; top:50%; transform:translateY(-50%);
    color: var(--clr-muted_x9p2r); cursor:pointer; transition: var(--transition_x9p2r);
}
.gsearch-ico_x9p2r:hover { color: var(--clr-primary_x9p2r); }

/* Hamburger */
.hamburger_x9p2r {
    display:none; background:none; border:none; cursor:pointer; padding:6px;
}
.hamburger_x9p2r i {
    display:block; width:22px; height:2px; background:#fff;
    margin:5px 0; transition: var(--transition_x9p2r); border-radius:1px;
}

/* Page Wrapper */
.page-wrap_x9p2r {
    position:relative; z-index:1; padding-top:68px; min-height:100vh;
}

/* Banner */
.banner_x9p2r {
    padding:72px 20px 52px; text-align:center;
    background: linear-gradient(180deg, rgba(225,112,85,0.06) 0%, transparent 100%);
    position:relative;
}
.banner_x9p2r h1 {
    font-size: clamp(1.7rem, 3.8vw, 2.8rem); font-weight:900; margin-bottom:14px;
    background: linear-gradient(135deg, #fff 0%, var(--clr-accent_x9p2r) 100%);
    -webkit-background-clip:text; -webkit-text-fill-color:transparent;
    letter-spacing:1px;
}
.banner-sub_x9p2r {
    max-width:680px; margin:0 auto 28px; color: var(--clr-muted_x9p2r);
    font-size:1rem; line-height:1.85;
}
.banner-chips_x9p2r { display:flex; gap:8px; justify-content:center; flex-wrap:wrap; }
.banner-chips_x9p2r em {
    padding:5px 14px; border-radius:18px; font-size:0.78rem; font-style:normal;
    background: var(--clr-glass_x9p2r); border: var(--glass-border_x9p2r);
    color: var(--clr-primary_x9p2r);
}

/* Crumbs */
.crumbs_x9p2r {
    max-width:1360px; margin:0 auto; padding:14px 20px;
    display:flex; align-items:center; gap:6px; font-size:0.83rem;
}
.crumbs_x9p2r a { color: var(--clr-muted_x9p2r); text-decoration:none; transition: var(--transition_x9p2r); }
.crumbs_x9p2r a:hover { color: var(--clr-primary_x9p2r); }
.crumbs_x9p2r .here_x9p2r { color: var(--clr-text_x9p2r); }

/* Block */
.block_x9p2r { max-width:1360px; margin:0 auto; padding:36px 20px; }
.block-head_x9p2r { display:flex; align-items:center; justify-content:space-between; margin-bottom:24px; }
.block-title_x9p2r {
    font-size:1.4rem; font-weight:700; color:#fff;
    padding-left:16px; border-left:3px solid var(--clr-primary_x9p2r);
}
.block-link_x9p2r {
    color: var(--clr-muted_x9p2r); text-decoration:none; font-size:0.84rem;
    transition: var(--transition_x9p2r);
}
.block-link_x9p2r:hover { color: var(--clr-primary_x9p2r); }

/* Media Grid - Different layout from site1 */
.media-grid_x9p2r {
    display:grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap:20px;
}
.media-item_x9p2r {
    background: var(--clr-glass_x9p2r);
    border: var(--glass-border_x9p2r);
    border-radius: var(--radius_x9p2r);
    overflow:hidden; transition: var(--transition_x9p2r);
    backdrop-filter: blur(12px);
    display:flex; flex-direction:column;
}
.media-item_x9p2r:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: var(--shadow_x9p2r);
    border-color: rgba(225,112,85,0.35);
}
.media-cover_x9p2r {
    position:relative; padding-top:56.25%; overflow:hidden; cursor:pointer;
}
.media-cover_x9p2r img {
    position:absolute; top:0; left:0; width:100%; height:100%; object-fit:cover;
    transition: transform 0.6s cubic-bezier(0.25,0.8,0.25,1);
}
.media-item_x9p2r:hover .media-cover_x9p2r img { transform: scale(1.1); }
.hover-mask_x9p2r {
    position:absolute; top:0; left:0; width:100%; height:100%;
    background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.7) 100%);
    display:flex; align-items:center; justify-content:center;
    opacity:0; transition: var(--transition_x9p2r);
}
.media-item_x9p2r:hover .hover-mask_x9p2r { opacity:1; }
.play-circle_x9p2r {
    width:52px; height:52px; border-radius:50%;
    background: rgba(225,112,85,0.85); display:flex; align-items:center; justify-content:center;
    transform: scale(0.7); transition: var(--transition_x9p2r);
    box-shadow: 0 6px 24px rgba(225,112,85,0.35);
}
.media-item_x9p2r:hover .play-circle_x9p2r { transform: scale(1); }
.play-circle_x9p2r svg { width:22px; height:22px; fill:#fff; margin-left:2px; }
.media-len_x9p2r {
    position:absolute; bottom:6px; right:6px; padding:2px 7px;
    background: rgba(0,0,0,0.8); border-radius:3px; font-size:0.72rem; color:#fff;
}
.media-body_x9p2r { padding:14px; flex:1; display:flex; flex-direction:column; }
.media-name_x9p2r {
    font-size:0.92rem; font-weight:600; color:#fff; margin-bottom:6px;
    display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
    line-height:1.45;
}
.media-foot_x9p2r {
    display:flex; align-items:center; justify-content:space-between;
    font-size:0.78rem; color: var(--clr-muted_x9p2r); margin-top:auto;
}
.media-eye_x9p2r { display:flex; align-items:center; gap:3px; }
.media-label_x9p2r {
    padding:2px 7px; border-radius:3px; font-size:0.68rem;
    background: rgba(225,112,85,0.15); color: var(--clr-primary_x9p2r);
}

/* Testimonials - Different from site1 */
.testi-wrap_x9p2r {
    display:grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap:18px;
}
.testi-box_x9p2r {
    background: var(--clr-glass_x9p2r); border: var(--glass-border_x9p2r);
    border-radius: var(--radius_x9p2r); padding:22px;
    backdrop-filter: blur(12px); transition: var(--transition_x9p2r);
    position:relative; overflow:hidden;
}
.testi-box_x9p2r::before {
    content:'"'; position:absolute; top:-8px; left:12px;
    font-size:5rem; color: rgba(225,112,85,0.08); font-family:Georgia,serif; line-height:1;
}
.testi-box_x9p2r:hover { border-color: rgba(225,112,85,0.3); }
.testi-top_x9p2r { display:flex; align-items:center; gap:10px; margin-bottom:10px; }
.testi-pic_x9p2r {
    width:42px; height:42px; border-radius:10px;
    background: linear-gradient(135deg, var(--clr-primary_x9p2r), var(--clr-secondary_x9p2r));
    display:flex; align-items:center; justify-content:center; font-weight:700; color:#fff; font-size:0.95rem;
}
.testi-who_x9p2r { font-weight:600; color:#fff; font-size:0.88rem; }
.testi-rate_x9p2r { color:#fdcb6e; font-size:0.82rem; letter-spacing:1px; }
.testi-msg_x9p2r { color: var(--clr-muted_x9p2r); font-size:0.86rem; line-height:1.75; position:relative; z-index:1; }

/* Info Cards */
.info-row_x9p2r {
    display:grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap:20px;
}
.info-tile_x9p2r {
    background: var(--clr-glass_x9p2r); border: var(--glass-border_x9p2r);
    border-radius: var(--radius_x9p2r); padding:26px;
    backdrop-filter: blur(12px); text-align:center;
    transition: var(--transition_x9p2r);
}
.info-tile_x9p2r:hover { border-color: rgba(9,132,227,0.3); transform:translateY(-3px); }
.info-ico_x9p2r {
    width:52px; height:52px; border-radius:12px; margin:0 auto 14px;
    background: linear-gradient(135deg, var(--clr-primary_x9p2r), var(--clr-secondary_x9p2r));
    display:flex; align-items:center; justify-content:center;
}
.info-ico_x9p2r svg { width:26px; height:26px; fill:#fff; }
.info-lbl_x9p2r { font-size:0.82rem; color: var(--clr-muted_x9p2r); margin-bottom:3px; }
.info-val_x9p2r { font-size:0.95rem; font-weight:600; color:#fff; }

/* Social Share */
.social-row_x9p2r {
    display:flex; gap:10px; justify-content:center; padding:28px 0; flex-wrap:wrap;
}
.social-btn_x9p2r {
    width:46px; height:46px; border-radius:10px; border:none; cursor:pointer;
    display:flex; align-items:center; justify-content:center;
    transition: var(--transition_x9p2r); backdrop-filter: blur(12px);
}
.social-btn_x9p2r:hover { transform:translateY(-2px) scale(1.05); }
.soc-wx_x9p2r { background: rgba(7,193,96,0.18); color:#07c160; }
.soc-wb_x9p2r { background: rgba(230,73,46,0.18); color:#e6492e; }
.soc-dy_x9p2r { background: rgba(254,44,85,0.18); color:#fe2c55; }
.soc-bl_x9p2r { background: rgba(0,174,236,0.18); color:#00aeec; }
.social-btn_x9p2r svg { width:22px; height:22px; }

/* FAQ */
.qa-list_x9p2r { max-width:780px; margin:0 auto; }
.qa-entry_x9p2r {
    background: var(--clr-glass_x9p2r); border: var(--glass-border_x9p2r);
    border-radius:10px; margin-bottom:10px; overflow:hidden;
    transition: var(--transition_x9p2r);
}
.qa-entry_x9p2r:hover { border-color: rgba(225,112,85,0.3); }
.qa-entry_x9p2r summary {
    padding:16px 22px; cursor:pointer; font-weight:600; color:#fff;
    font-size:0.93rem; list-style:none; display:flex; align-items:center; justify-content:space-between;
}
.qa-entry_x9p2r summary::-webkit-details-marker { display:none; }
.qa-entry_x9p2r summary::after {
    content:'▸'; font-size:1rem; color: var(--clr-primary_x9p2r);
    transition: transform 0.3s ease;
}
.qa-entry_x9p2r[open] summary::after { transform: rotate(90deg); }
.qa-entry_x9p2r[open] summary { color: var(--clr-primary_x9p2r); }
.qa-body_x9p2r {
    padding:0 22px 16px; color: var(--clr-muted_x9p2r); font-size:0.88rem; line-height:1.8;
    animation: slideDown_x9p2r 0.3s ease;
}
@keyframes slideDown_x9p2r { from{opacity:0;max-height:0} to{opacity:1;max-height:500px} }

/* Site Footer */
.site-footer_x9p2r {
    background: rgba(8,12,18,0.96); border-top: var(--glass-border_x9p2r);
    padding:44px 20px 20px; margin-top:56px;
}
.footer-grid_x9p2r {
    max-width:1360px; margin:0 auto;
    display:grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap:28px;
}
.foot-col_x9p2r h4 {
    font-size:0.95rem; font-weight:700; color:#fff; margin-bottom:14px;
    display:flex; align-items:center; gap:8px;
}
.foot-col_x9p2r h4::before {
    content:''; width:3px; height:16px; border-radius:2px;
    background: var(--clr-primary_x9p2r);
}
.foot-col_x9p2r a {
    display:block; color: var(--clr-muted_x9p2r); text-decoration:none;
    font-size:0.83rem; padding:3px 0; transition: var(--transition_x9p2r);
}
.foot-col_x9p2r a:hover { color: var(--clr-primary_x9p2r); transform:translateX(3px); }
.foot-bar_x9p2r {
    max-width:1360px; margin:28px auto 0; padding-top:18px;
    border-top: var(--glass-border_x9p2r);
    display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:10px;
    font-size:0.78rem; color: var(--clr-muted_x9p2r);
}

/* Responsive */
@media (max-width:768px) {
    .main-nav_x9p2r {
        position:fixed; top:68px; left:0; width:100%; background:rgba(13,17,23,0.98);
        flex-direction:column; padding:16px; gap:2px;
        transform:translateX(-100%); transition: var(--transition_x9p2r);
        backdrop-filter: blur(24px); border-bottom: var(--glass-border_x9p2r);
    }
    .main-nav_x9p2r.show_x9p2r { transform:translateX(0); }
    .hamburger_x9p2r { display:block; }
    .gsearch_x9p2r { width:160px; }
    .banner_x9p2r { padding:44px 14px 36px; }
    .media-grid_x9p2r { grid-template-columns: repeat(auto-fill, minmax(150px,1fr)); gap:10px; }
    .media-body_x9p2r { padding:10px; }
    .media-name_x9p2r { font-size:0.82rem; }
    .testi-wrap_x9p2r { grid-template-columns:1fr; }
    .footer-grid_x9p2r { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width:480px) {
    .topbar-inner_x9p2r { padding:0 10px; height:58px; }
    .gsearch_x9p2r { width:130px; }
    .media-grid_x9p2r { grid-template-columns: repeat(2,1fr); gap:8px; }
    .block_x9p2r { padding:20px 10px; }
}

/* Helpers */
.grad-text_x9p2r {
    background: linear-gradient(135deg, var(--clr-primary_x9p2r), var(--clr-secondary_x9p2r));
    -webkit-background-clip:text; -webkit-text-fill-color:transparent;
}
.frost-box_x9p2r {
    background: var(--clr-glass_x9p2r); border: var(--glass-border_x9p2r);
    border-radius: var(--radius_x9p2r); backdrop-filter: blur(12px); padding:22px;
}
.ts-note_x9p2r {
    text-align:center; padding:14px; font-size:0.78rem; color: var(--clr-muted_x9p2r);
}