/* ==================== LOADER（同 xilingyiyu.cn） ==================== */
#loader{position:fixed;inset:0;background:#f8fafc;z-index:9999;display:flex;flex-direction:column;justify-content:center;align-items:center;transition:opacity .8s ease,visibility .8s ease;overflow:hidden}
#loader.loaded{opacity:0;visibility:hidden}
.ld-bg-glow{position:absolute;inset:0;pointer-events:none}
.ld-bg-glow::before{content:'';position:absolute;width:600px;height:400px;border-radius:50%;background:radial-gradient(ellipse,rgba(8,145,178,.12) 0%,transparent 70%);top:-100px;left:-150px;animation:ldGlow1 6s ease-in-out infinite}
.ld-bg-glow::after{content:'';position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(ellipse,rgba(124,58,237,.1) 0%,transparent 70%);bottom:-150px;right:-100px;animation:ldGlow2 6s ease-in-out 3s infinite}
.ld-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(8,145,178,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(8,145,178,.04) 1px,transparent 1px);background-size:48px 48px;pointer-events:none}
#loader .ld-logo-wrap{position:relative;width:120px;height:120px;margin-bottom:40px}
#loader .ld-svg{position:absolute;inset:0;animation:spin 3s linear infinite}
#loader .ld-svg2{position:absolute;inset:8px;animation:spin 2s linear infinite reverse}
#loader .ld-svg3{position:absolute;inset:18px;animation:spin 1.4s linear infinite}
#loader .ld-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,rgba(8,145,178,.12),rgba(124,58,237,.12));border:1px solid rgba(8,145,178,.2);display:flex;align-items:center;justify-content:center;animation:ldCenterPulse 2s ease-in-out infinite;box-shadow:0 0 0 0 rgba(8,145,178,.2)}
.ld-brand{font-size:1.5rem;font-weight:900;letter-spacing:.2em;margin-bottom:6px;background:linear-gradient(135deg,#0f172a,#0891b2,#7c3aed);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-size:200% 100%;animation:shimmerText 3s linear infinite}
.ld-slogan{font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:rgba(15,23,42,.35);margin-bottom:32px}
.ld-progress-wrap{display:flex;flex-direction:column;align-items:center;gap:10px;width:200px}
.ld-count{font-family:'Courier New',monospace;font-size:12px;letter-spacing:.2em;color:rgba(15,23,42,.4);font-variant-numeric:tabular-nums;align-self:flex-end}
.ld-bar-wrap{width:100%;height:2px;background:rgba(15,23,42,.08);border-radius:2px;overflow:hidden}
.ld-bar{height:100%;background:linear-gradient(90deg,#0891b2,#7c3aed);width:0;transition:width .08s linear;border-radius:2px;position:relative}
.ld-bar::after{content:'';position:absolute;right:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:#7c3aed;box-shadow:0 0 8px rgba(124,58,237,.6),0 0 16px rgba(124,58,237,.3)}
.ld-dots{display:flex;gap:6px;margin-top:4px}
.ld-dot{width:4px;height:4px;border-radius:50%;background:rgba(15,23,42,.15);animation:ldDotBounce 1.2s ease-in-out infinite}
.ld-dot:nth-child(2){animation-delay:.2s}
.ld-dot:nth-child(3){animation-delay:.4s}
@keyframes ldGlow1{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,-20px)}}
@keyframes ldGlow2{0%,100%{transform:translate(0,0)}50%{transform:translate(-20px,30px)}}
@keyframes ldCenterPulse{0%,100%{box-shadow:0 0 0 0 rgba(8,145,178,.2)}50%{box-shadow:0 0 0 12px rgba(8,145,178,0)}}
@keyframes shimmerText{0%{background-position:0 0}100%{background-position:200% 0}}
@keyframes ldDotBounce{0%,100%{transform:translateY(0);opacity:.15}50%{transform:translateY(-6px);opacity:.6}}

/* ==================== 一言 ==================== */
.hitokoto-wrap{margin:6px auto 0;text-align:center;min-height:1.4em}
#hitokotoText{font-size:.85rem;color:var(--text-secondary);font-style:italic;letter-spacing:.04em;transition:opacity .5s ease}

/* ==================== 全局样式 ==================== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --success: #22c55e;
    --danger: #ef4444;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-lg: 0 10px 25px -5px rgba(0,0,0,.1), 0 8px 10px -6px rgba(0,0,0,.06);
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==================== 导航栏 ==================== */
.navbar {
    background: rgba(255,255,255,.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.2rem;
}

.brand-icon { font-size: 1.4rem; }
.brand-text { color: var(--primary); }

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    transition: color .2s;
}
.nav-link:hover,
.nav-link.active { color: var(--primary) !important; }

/* ==================== 主区域 ==================== */
main { flex: 1; max-width: 800px; margin: 0 auto; width: 100%; }

.hero-icon { font-size: 3rem; margin-bottom: .5rem; }
.hero-title {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc { color: var(--text-secondary); font-size: .95rem; }

.current-time {
    font-size: .85rem;
    color: var(--text-secondary);
    margin-top: 4px;
    font-variant-numeric: tabular-nums;
}

/* ==================== 搜索框 ==================== */
.search-section { margin-bottom: 1.5rem; }

.search-box {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: 2px solid transparent;
    transition: border-color .3s, box-shadow .3s;
    overflow: hidden;
}
.search-box:focus-within {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(99,102,241,.15);
}

.search-input {
    border: none !important;
    padding: 14px 18px;
    font-size: .95rem;
    background: transparent;
    box-shadow: none !important;
}
.search-input::placeholder { color: #94a3b8; }

.btn-clear {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    padding: 0 8px;
    display: flex;
    align-items: center;
}
.btn-clear:hover { color: var(--text); }

.btn-parse {
    border: none;
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    color: #fff;
    padding: 12px 28px;
    font-weight: 600;
    font-size: .95rem;
    border-radius: 0 var(--radius) var(--radius) 0;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: opacity .2s;
}
.btn-parse:hover { opacity: .9; color: #fff; }
.btn-parse:disabled { opacity: .6; cursor: not-allowed; }

/* ==================== 错误/加载 ==================== */
.error-msg {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--danger);
    font-size: .9rem;
    margin-top: 10px;
    padding: 10px 16px;
    background: #fef2f2;
    border-radius: 8px;
}
.error-msg.d-none { display: none; }

.loading-bar {
    margin-top: 16px;
    height: 3px;
    background: #e2e8f0;
    border-radius: 99px;
    overflow: hidden;
}
.loading-bar.d-none { display: none; }
.loading-progress {
    height: 100%;
    width: 30%;
    background: linear-gradient(90deg, var(--primary), #a855f7);
    border-radius: 99px;
    animation: loadingSlide 1.2s ease-in-out infinite;
}
@keyframes loadingSlide {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(400%); }
}

/* ==================== 视频信息卡片 ==================== */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
    overflow: hidden;
}
.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border);
    padding: 12px 18px;
    font-weight: 600;
    font-size: .9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
}

.thumbnail-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: #f1f5f9;
}
.video-thumb {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
}
.duration-badge {
    position: absolute;
    bottom: 8px; right: 8px;
    background: rgba(0,0,0,.8);
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: .8rem;
    font-weight: 600;
}

.video-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.video-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 8px;
}
.meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: .85rem;
    color: var(--text-secondary);
}
.video-desc {
    font-size: .85rem;
    color: var(--text-secondary);
    margin-bottom: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.video-desc-full {
    font-size: .85rem;
    color: var(--text-secondary);
    white-space: pre-wrap;
    margin-bottom: 0;
    line-height: 1.6;
}

/* ==================== 播放器 ==================== */
.player-wrapper { margin-bottom: 1rem; }
.player-wrapper.d-none { display: none; }
.video-player {
    width: 100%;
    display: block;
    background: #000;
    max-height: 70vh;
    border-radius: 0;
}

/* ==================== 格式列表 ==================== */
.format-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.format-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: all .2s;
}
.format-item:hover {
    border-color: var(--primary-light);
    background: #f0f0ff;
}

.format-info {
    display: flex;
    align-items: center;
    gap: 12px;
}
.format-label {
    font-weight: 600;
    font-size: .9rem;
    color: var(--text);
}
.format-badge {
    font-size: .75rem;
    padding: 2px 8px;
    border-radius: 99px;
    background: #e2e8f0;
    color: var(--text-secondary);
}
.format-filesize {
    font-size: .8rem;
    color: var(--text-secondary);
}

.format-badge.sep-audio {
    background: #fef3c7;
    color: #92400e;
    font-size: .7rem;
}

.format-actions {
    display: flex;
    gap: 6px;
}
.format-actions .btn {
    padding: 4px 14px;
    font-size: .8rem;
    border-radius: 6px;
    font-weight: 500;
    border: none;
    transition: all .2s;
}
.btn-play {
    background: var(--primary);
    color: #fff;
}
.btn-play:hover { background: var(--primary-dark); color: #fff; }
.btn-download {
    background: #22c55e;
    color: #fff;
}
.btn-download:hover { background: #16a34a; color: #fff; }
.btn-copy-link {
    background: #e2e8f0;
    color: var(--text-secondary);
}
.btn-copy-link:hover { background: #cbd5e1; }

/* ==================== 支持平台 ==================== */
.platforms-section {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}
.section-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 10px;
}
.platform-card {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: all .2s;
    text-decoration: none;
    color: var(--text);
    font-size: .85rem;
    font-weight: 500;
}
.platform-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow);
    transform: translateY(-1px);
    color: var(--text);
}
.platform-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .7rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

/* ==================== Logo同心圆旋转动画 ==================== */
.ld-logo-wrap {
    position: relative;
    width: 90px;
    height: 90px;
    margin: 0 auto 16px;
}
.ld-logo-wrap .ld-svg,
.ld-logo-wrap .ld-svg2,
.ld-logo-wrap .ld-svg3 {
    position: absolute;
    inset: 0;
    animation: spin 3s linear infinite;
}
.ld-logo-wrap .ld-svg2 { inset: 8px; animation: spin 2s linear infinite reverse; }
.ld-logo-wrap .ld-svg3 { inset: 18px; animation: spin 1.4s linear infinite; }
.ld-center {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
@keyframes spin { 100% { transform: rotate(360deg); } }

/* 导航栏logo */
.nav-logo-icon {
    width: 32px; height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 8px;
}
.nav-logo-icon svg { animation: spin 3s linear infinite; }

/* ==================== 加载动画 ==================== */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(248,250,252,.85);
    backdrop-filter: blur(4px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}
.loading-overlay.d-none { display: none; }
.loading-spinner {
    text-align: center;
}
.spinner-ring {
    width: 48px; height: 48px;
    border: 3px solid #e2e8f0;
    border-top-color: #6366f1;
    border-radius: 50%;
    animation: spin2 .8s linear infinite;
    margin: 0 auto 12px;
}
.spinner-ring.ring2 {
    width: 36px; height: 36px;
    border-top-color: #8b5cf6;
    animation: spin2 .6s linear infinite reverse;
    margin: -42px auto 18px;
}
.spinner-ring.ring3 {
    width: 24px; height: 24px;
    border-top-color: #a855f7;
    animation: spin2 .4s linear infinite;
    margin: -30px auto 14px;
}
@keyframes spin2 { 100% { transform: rotate(360deg); } }
.loading-text {
    color: var(--text-secondary);
    font-size: .9rem;
    margin-top: 8px;
}

/* ==================== 音乐播放器 ==================== */
.music-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.music-info {
    display: flex;
    align-items: center;
    gap: 12px;
}
.music-cover {
    width: 40px; height: 40px;
    border-radius: 8px;
    background: #f1f5f9;
    background-size: cover;
    background-position: center;
    flex-shrink: 0;
}
.music-text {
    display: flex;
    flex-direction: column;
}
.music-text span:first-child {
    font-weight: 500;
    font-size: .9rem;
}
.music-btn {
    width: 36px; height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all .2s;
}
.music-btn:hover {
    border-color: var(--primary-light);
    background: #f0f0ff;
}
.music-btn.playing svg {
    animation: musicPulse 1.5s ease infinite;
}
@keyframes musicPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

/* ==================== Footer ==================== */
.footer {
    margin-top: 3rem;
    padding: 2rem 1.5rem;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: .85rem;
}
.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
}
.footer-logo svg { flex-shrink: 0; }
.copyright {
    font-size: .85rem;
    color: var(--text-secondary);
}
.footer-beian {
    font-size: .8rem;
}
.footer-beian a { color: var(--text-secondary); text-decoration: none; }
.footer-beian a:hover { color: var(--primary); }
.footer-beian .sep { margin: 0 8px; color: var(--border); }
.footer-link { margin-top: 4px; }
.footer-link a {
    font-size: .85rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}
.footer-link a:hover { text-decoration: underline; }

/* ==================== 图片画廊 ==================== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}
.gallery-item {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: transform .2s, box-shadow .2s;
    position: relative;
}
.gallery-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}
.gallery-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}
.gallery-item .gallery-dl {
    position: absolute;
    bottom: 6px;
    right: 6px;
    background: rgba(0,0,0,.6);
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 4px 10px;
    font-size: .75rem;
    cursor: pointer;
    opacity: 0;
    transition: opacity .2s;
}
.gallery-item:hover .gallery-dl { opacity: 1; }

/* 图片查看弹窗（lightbox） */
.lightbox {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,.92);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
    animation: fadeIn .2s ease;
}
.lightbox img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 4px;
}
.lightbox .lb-close {
    position: absolute;
    top: 20px; right: 30px;
    width: 42px; height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,.5);
    border: 2px solid rgba(255,255,255,.6);
    border-radius: 50%;
    color: #fff;
    font-size: 1.5rem;
    font-weight: 700;
    cursor: pointer;
    opacity: .85;
    transition: all .2s;
    z-index: 10;
    line-height: 1;
}
.lightbox .lb-close:hover {
    opacity: 1;
    background: rgba(220,38,38,.8);
    border-color: #fff;
    transform: scale(1.1);
}
.lightbox .lb-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
    font-size: 2.5rem;
    cursor: pointer;
    opacity: .6;
    padding: 20px;
    transition: opacity .2s;
    user-select: none;
}
.lightbox .lb-nav:hover { opacity: 1; }
.lightbox .lb-prev { left: 20px; }
.lightbox .lb-next { right: 20px; }

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media (max-width: 576px) {
    .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .gallery-item img { height: 140px; }
}

/* ==================== 响应式 ==================== */
@media (max-width: 576px) {
    .hero-title { font-size: 1.4rem; }
    .search-input { padding: 12px 14px; font-size: .9rem; }
    .btn-parse { padding: 10px 18px; font-size: .9rem; }
    .format-item { flex-direction: column; align-items: flex-start; gap: 8px; }
    .format-actions { width: 100%; justify-content: flex-end; }
    .platforms-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
}

/* ==================== 动画 ==================== */
.result-section { animation: fadeUp .4s ease-out; }
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}