/* Video Hub 列表页样式，对齐 spzx.html */
.spzx-wrap {
    --spzx-mint-50: #f1faf3;
    --spzx-mint-100: #e3f5e7;
    --spzx-mint-200: #c9ebd1;
    --spzx-mint-300: #a3dcb1;
    --spzx-mint-400: #6fc684;
    --spzx-mint-500: #43b063;
    --spzx-mint-600: #2f9450;
    --spzx-mint-700: #1f7a42;
    --spzx-mint-800: #155c33;
    --spzx-ink-900: #0d1f17;
    --spzx-ink-700: #243a2e;
    --spzx-ink-500: #5a6d62;
    --spzx-ink-400: #85988d;
    --spzx-ink-300: #b8c5bd;
    --spzx-bg: #f3fbf6;
    --spzx-bg-grad-1: #e8f7ec;
    --spzx-bg-grad-2: #f6fbf7;
    --spzx-surface: rgba(255, 255, 255, 0.78);
    --spzx-surface-2: rgba(255, 255, 255, 0.95);
    --spzx-border: rgba(67, 176, 99, 0.18);
    --spzx-shadow-xs: 0 1px 2px rgba(31, 122, 66, 0.06);
    --spzx-shadow-sm: 0 4px 14px rgba(31, 122, 66, 0.08);
    --spzx-shadow-md: 0 10px 30px rgba(31, 122, 66, 0.10);
    --spzx-shadow-lg: 0 24px 50px rgba(31, 122, 66, 0.18);
    --spzx-shadow-glow: 0 12px 36px rgba(67, 176, 99, 0.28);
    --spzx-r-sm: 10px;
    --spzx-r-md: 16px;
    --spzx-r-lg: 22px;
    --spzx-r-xl: 28px;
    --spzx-ease: cubic-bezier(0.22, 1, 0.36, 1);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--spzx-ink-900);
    position: relative;
    isolation: isolate;
    min-height: 100vh;
    background:
        radial-gradient(1100px 700px at 8% -10%, rgba(67, 176, 99, 0.18), transparent 60%),
        radial-gradient(900px 600px at 100% 0%, rgba(163, 220, 177, 0.35), transparent 55%),
        radial-gradient(900px 600px at 50% 100%, rgba(67, 176, 99, 0.10), transparent 60%),
        linear-gradient(180deg, var(--spzx-bg-grad-1), var(--spzx-bg-grad-2));
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}
.spzx-wrap *, .spzx-wrap *::before, .spzx-wrap *::after { box-sizing: border-box; }
.spzx-wrap::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image: radial-gradient(rgba(31, 122, 66, 0.05) 1px, transparent 1px);
    background-size: 22px 22px;
    mix-blend-mode: multiply;
    opacity: 0.45;
}
.spzx-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image:
        radial-gradient(2px 2px at 20% 30%, rgba(67,176,99,0.18), transparent 50%),
        radial-gradient(1.5px 1.5px at 75% 60%, rgba(67,176,99,0.12), transparent 50%);
    background-size: 380px 380px;
    opacity: 0.55;
}
.spzx-container { max-width: 1320px; margin: 0 auto; padding: 0 28px; width: 100%; position: relative; }
.spzx-progress-bar {
    position: fixed; top: 0; left: 0; height: 3px; width: 0;
    background: linear-gradient(90deg, var(--spzx-mint-300), var(--spzx-mint-500), var(--spzx-mint-700));
    z-index: 9999; box-shadow: 0 0 12px rgba(67,176,99,0.6); transition: width 0.25s var(--spzx-ease);
}

.spzx-header {
    position: relative; padding: 64px 0 72px; overflow: hidden; isolation: isolate;
    background:
        radial-gradient(700px 360px at 12% 20%, rgba(255,255,255,0.55), transparent 60%),
        radial-gradient(600px 300px at 95% 30%, rgba(255,255,255,0.35), transparent 60%),
        linear-gradient(135deg, #9ad9ad 0%, #6fc684 45%, #43b063 100%);
    color: #0e2a1a;
}
.spzx-header::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 60px;
    background: var(--spzx-bg); clip-path: ellipse(75% 100% at 50% 100%); z-index: 1;
}
.spzx-header .spzx-blob {
    position: absolute; border-radius: 50%; filter: blur(40px); pointer-events: none; opacity: 0.55; z-index: 0;
}
.spzx-header .spzx-blob.spzx-b1 { width: 380px; height: 380px; background: #d6f1de; top: -120px; left: -80px; }
.spzx-header .spzx-blob.spzx-b2 { width: 320px; height: 320px; background: #ffffff; top: 40px; right: -90px; }
.spzx-header .spzx-blob.spzx-b3 { width: 240px; height: 240px; background: #b8ecc4; bottom: -80px; left: 40%; }
.spzx-header .spzx-container { position: relative; z-index: 2; }
.spzx-brand {
    display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px; border-radius: 999px;
    background: rgba(255,255,255,0.55); backdrop-filter: blur(10px); color: var(--spzx-mint-800);
    font-size: 12px; font-weight: 600; letter-spacing: 1.4px; border: 1px solid rgba(255,255,255,0.7);
}
.spzx-brand .spzx-dot {
    width: 8px; height: 8px; border-radius: 50%; background: var(--spzx-mint-500);
    box-shadow: 0 0 0 4px rgba(67,176,99,0.18);
}
.spzx-header h1 {
    margin-top: 4px; font-size: 44px; font-weight: 800; letter-spacing: -0.5px; line-height: 1.15;
    color: #0c2417; display: flex; align-items: center; gap: 14px;
}
.spzx-header h1 .spzx-icon {
    width: 52px; height: 52px; display: inline-flex; align-items: center; justify-content: center;
    border-radius: 14px; background: linear-gradient(135deg, #ffffff, #e9f7ee); color: var(--spzx-mint-700);
    font-size: 24px; box-shadow: var(--spzx-shadow-sm); border: 1px solid rgba(255,255,255,0.7);
}
.spzx-accent {
    background: linear-gradient(90deg, var(--spzx-mint-700), var(--spzx-mint-500));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.spzx-tagline { margin-top: 10px; font-size: 16px; color: rgba(12, 36, 23, 0.72); letter-spacing: 0.4px; }
.spzx-tools { margin-top: 26px; display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.spzx-search-box {
    flex: 1 1 320px; min-width: 260px; display: flex; align-items: center; gap: 10px; padding: 12px 16px;
    background: rgba(255,255,255,0.85); backdrop-filter: blur(14px); border-radius: var(--spzx-r-lg);
    border: 1px solid rgba(255,255,255,0.8); box-shadow: var(--spzx-shadow-sm);
}
.spzx-search-box svg { width: 18px; height: 18px; color: var(--spzx-mint-600); flex-shrink: 0; }
.spzx-search-box input {
    border: 0; background: transparent; outline: none; width: 100%; font-size: 14px; color: var(--spzx-ink-900); font-family: inherit;
}
.spzx-search-box input::placeholder { color: var(--spzx-ink-400); }
.spzx-kbd {
    display: inline-block; padding: 1px 6px; font-size: 11px; font-family: "SFMono-Regular", Consolas, monospace;
    background: var(--spzx-mint-100); border: 1px solid var(--spzx-mint-200); border-bottom-width: 2px;
    color: var(--spzx-mint-800); border-radius: 5px; font-weight: 700;
}
.spzx-kbd-hint { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--spzx-ink-500); }

.spzx-navbar {
    position: sticky; top: 12px; z-index: 50; margin: -30px 0 28px; padding: 12px 18px; background: rgba(255,255,255,0.78);
    backdrop-filter: blur(18px) saturate(160%); border-radius: 999px; border: 1px solid rgba(255,255,255,0.7);
    box-shadow: 0 10px 30px rgba(31,122,66,0.10), inset 0 1px 0 rgba(255,255,255,0.6); display: flex; align-items: center; gap: 6px;
}
.spzx-logo {
    display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; font-weight: 800;
    color: var(--spzx-mint-800); letter-spacing: 0.4px; background: linear-gradient(135deg, var(--spzx-mint-50), var(--spzx-mint-100)); border: 1px solid var(--spzx-mint-200);
}
.spzx-logo .spzx-mark {
    width: 22px; height: 22px; border-radius: 7px; background: linear-gradient(135deg, var(--spzx-mint-500), var(--spzx-mint-700));
    display: inline-flex; align-items: center; justify-content: center; color: #fff; font-size: 11px;
}
.spzx-navbar nav, .spzx-filter-bar { display: flex; flex-wrap: wrap; gap: 10px; }
.spzx-navbar nav { flex: 1; margin-left: 14px; overflow-x: auto; scrollbar-width: none; }
.spzx-navbar nav::-webkit-scrollbar { display: none; }
.spzx-navbar nav a, .spzx-filter-btn {
    position: relative; padding: 8px 14px; font-size: 13.5px; font-weight: 600; color: var(--spzx-ink-700);
    text-decoration: none; border-radius: 999px; white-space: nowrap; transition: all 0.25s var(--spzx-ease);
    border: 1px solid transparent; background: transparent; cursor: pointer; font-family: inherit;
}
.spzx-navbar nav a:hover, .spzx-filter-btn:hover { background: var(--spzx-mint-50); color: var(--spzx-mint-700); }
.spzx-navbar nav a.spzx-active, .spzx-filter-btn.spzx-active {
    background: linear-gradient(135deg, var(--spzx-mint-500), var(--spzx-mint-600)); color: #fff; border-color: var(--spzx-mint-600);
    box-shadow: 0 8px 20px rgba(67, 176, 99, 0.35);
}
.spzx-clock {
    display: inline-flex; align-items: center; gap: 10px; padding: 8px 14px; background: linear-gradient(135deg, #ffffff, #f1faf3);
    border: 1px solid var(--spzx-mint-200); border-radius: 999px; color: var(--spzx-mint-800); font-weight: 700; font-size: 13px;
}

.spzx-hero {
    position: relative; border-radius: var(--spzx-r-xl); overflow: hidden; margin-bottom: 32px; padding: 40px 44px; color: #fff;
    background:
        radial-gradient(700px 360px at 90% 10%, rgba(255,255,255,0.18), transparent 60%),
        radial-gradient(600px 300px at 10% 90%, rgba(163,220,177,0.45), transparent 60%),
        linear-gradient(135deg, #1f7a42 0%, #2f9450 50%, #43b063 100%);
    box-shadow: 0 24px 60px rgba(31,122,66,0.28);
}
.spzx-kicker {
    display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; background: rgba(255,255,255,0.18);
    border: 1px solid rgba(255,255,255,0.3); border-radius: 999px; font-size: 12px; letter-spacing: 2.4px; font-weight: 700;
    backdrop-filter: blur(8px);
}
.spzx-leaf { font-size: 14px; line-height: 1; }
.spzx-hero h2 { margin-top: 0; font-size: 30px; font-weight: 800; line-height: 1.2; max-width: 720px; }
.spzx-hero h2 em {
    font-style: normal; background: linear-gradient(90deg, #ffffff, #c9ebd1); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.spzx-hero p { margin-top: 10px; color: rgba(255,255,255,0.85); font-size: 14px; line-height: 1.7; max-width: 620px; }

.spzx-filter-bar {
    background: var(--spzx-surface); backdrop-filter: blur(18px); border-radius: var(--spzx-r-lg); padding: 18px 22px;
    margin-bottom: 36px; box-shadow: var(--spzx-shadow-sm); align-items: center; position: relative; z-index: 5; border: 1px solid var(--spzx-border);
}
.spzx-label { font-size: 13px; color: var(--spzx-ink-500); margin-right: 6px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }

.spzx-video-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; padding-bottom: 24px; }
.svh-card, .spzx-video-card {
    position: relative; background: var(--spzx-surface-2); border-radius: var(--spzx-r-md); overflow: hidden; box-shadow: var(--spzx-shadow-sm);
    border: 1px solid rgba(67, 176, 99, 0.08); transition: transform 0.45s var(--spzx-ease), box-shadow 0.45s var(--spzx-ease);
    display: flex; flex-direction: column; text-decoration: none; color: inherit;
}
.svh-card:hover, .spzx-video-card:hover { transform: translateY(-8px); box-shadow: var(--spzx-shadow-lg); border-color: rgba(67, 176, 99, 0.22); }
.svh-thumb {
    position: relative; width: 100%; aspect-ratio: 16 / 9; background: linear-gradient(135deg, #143a23, #0d2918); overflow: hidden;
}
.svh-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.svh-thumb::after {
    content: '▶'; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    font-size: 24px; color: var(--spzx-mint-700); width: 56px; height: 56px; margin: auto; border-radius: 50%;
    background: rgba(255,255,255,0.92); box-shadow: 0 12px 30px rgba(0,0,0,0.18);
}
.svh-duration {
    position: absolute; right: 10px; bottom: 10px; z-index: 3; background: rgba(13, 31, 23, 0.72); color: #fff;
    font-size: 11px; font-weight: 600; padding: 3px 8px; border-radius: 6px; letter-spacing: 0.4px;
}
.svh-badge-new {
    position: absolute; top: 12px; left: 12px; z-index: 3; display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px;
    border-radius: 999px; font-size: 11px; font-weight: 800; color: #fff; background: linear-gradient(135deg, #43b063, #1f7a42);
}
.svh-body { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; }
.svh-cat {
    display: inline-flex; align-items: center; gap: 4px; font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 999px;
    letter-spacing: 0.3px; align-self: flex-start; margin-bottom: 10px; background: var(--spzx-mint-100); color: var(--spzx-mint-700); border: 1px solid var(--spzx-mint-200);
}
.svh-title {
    font-size: 15px; font-weight: 700; line-height: 1.5; color: var(--spzx-ink-900); display: -webkit-box; -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden; min-height: 46px; margin-bottom: 10px; letter-spacing: 0.1px;
}
.svh-meta {
    display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 6px 10px; margin-top: auto; padding-top: 12px;
    border-top: 1px dashed rgba(67, 176, 99, 0.18); font-size: 12px; color: var(--spzx-ink-500);
}
.svh-loading { grid-column: 1 / -1; text-align: center; color: var(--spzx-ink-500); padding: 60px 0; }
.spzx-no-result {
    grid-column: 1 / -1; text-align: center; padding: 64px 20px; color: var(--spzx-ink-500); font-size: 15px;
    background: var(--spzx-surface); backdrop-filter: blur(10px); border-radius: var(--spzx-r-lg); border: 1px dashed var(--spzx-border); display: none;
}
.spzx-no-result.spzx-show { display: block; }
.spzx-pagination { display: flex; justify-content: center; align-items: center; gap: 6px; flex-wrap: wrap; padding: 8px 0 56px; }
.spzx-pagination button {
    min-width: 38px; height: 38px; padding: 0 12px; border: 1px solid var(--spzx-border); border-radius: 12px; background: var(--spzx-surface-2);
    color: var(--spzx-ink-700); font-size: 13.5px; font-weight: 600; cursor: pointer; transition: all 0.25s var(--spzx-ease); font-family: inherit;
}
.spzx-pagination button.is-active { background: linear-gradient(135deg, var(--spzx-mint-500), var(--spzx-mint-600)); color: #fff; border-color: var(--spzx-mint-600); }
.spzx-pagination button:disabled { opacity: 0.4; cursor: not-allowed; }
.spzx-footer {
    margin-top: auto; padding: 28px 0; text-align: center; color: var(--spzx-ink-500); font-size: 13px; border-top: 1px solid var(--spzx-border);
    background: rgba(255,255,255,0.4); backdrop-filter: blur(8px);
}
.spzx-to-top {
    position: fixed; right: 22px; bottom: 22px; z-index: 80; width: 46px; height: 46px; border-radius: 50%; border: 0;
    background: linear-gradient(135deg, var(--spzx-mint-500), var(--spzx-mint-700)); color: #fff; font-size: 18px; cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center; box-shadow: 0 14px 30px rgba(67,176,99,0.45);
    opacity: 0; transform: translateY(12px) scale(0.9); pointer-events: none; transition: all 0.3s var(--spzx-ease);
}
.spzx-to-top.spzx-show { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }

@media (max-width: 1200px) { .spzx-video-grid { grid-template-columns: repeat(3, 1fr); gap: 22px; } .spzx-header h1 { font-size: 38px; } }
@media (max-width: 900px) {
    .spzx-video-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
    .spzx-header h1 { font-size: 30px; }
    .spzx-header { padding: 40px 0 56px; }
    .spzx-hero { padding: 32px; }
    .spzx-hero h2 { font-size: 24px; }
    .spzx-clock { display: none; }
}
@media (max-width: 600px) {
    .spzx-video-grid { grid-template-columns: 1fr; gap: 18px; }
    .spzx-header h1 { font-size: 24px; flex-wrap: wrap; }
    .spzx-tagline { font-size: 14px; }
    .spzx-filter-bar { padding: 14px 14px; border-radius: var(--spzx-r-md); gap: 6px; }
    .spzx-container { padding: 0 16px; }
    .spzx-hero { padding: 24px; border-radius: var(--spzx-r-lg); }
    .spzx-hero h2 { font-size: 20px; }
}