/**
 * 滚动剧场皮肤 (Kinetic Scroll Skin)
 *
 * 获奖参考：2025-2026 Awwwards 滚动驱动动画获奖作品
 * 设计理念：
 *   - 边滚动边变化的动态视差体验，每张卡片都是一幕"剧"
 *   - 使用 CSS @scroll-timeline + 关键帧 驱动动画（渐入、旋转、缩放）
 *   - 卡片从屏幕外滑入，带有弹簧弹性效果
 *   - 深紫+金橙配色，像剧院舞台的灯光
 *   - 悬停时卡片放大旋转，按钮带有脉冲波纹
 *
 * 趋势来源：Awwwards 2025-2026 Kinetic Scroll 获奖、CSS Scroll-driven Animations 规范
 */

/* ============================================================
   1. CSS 变量覆盖
   ============================================================ */
html[data-skin="kinetic"] {
    --kt-bg: #1a1124;
    --kt-bg-alt: #221830;
    --kt-bg-card: #2a1c3d;
    --kt-bg-card-hover: #342545;
    --kt-text: #f0e6ff;
    --kt-text-secondary: #c4b5d8;
    --kt-text-muted: #8a7a9e;
    --kt-accent: #ff9a56;
    --kt-accent-hover: #ffb380;
    --kt-accent-glow: rgba(255, 154, 86, 0.3);
    --kt-accent-glow-strong: rgba(255, 154, 86, 0.5);
    --kt-secondary: #c084fc;
    --kt-secondary-glow: rgba(192, 132, 252, 0.2);
    --kt-border: rgba(255, 255, 255, 0.06);
    --kt-border-hover: rgba(255, 154, 86, 0.25);
    --kt-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --kt-shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --kt-shadow-hover: 0 8px 32px rgba(255, 154, 86, 0.15), 0 4px 16px rgba(0, 0, 0, 0.5);
    --kt-shadow-glow: 0 0 40px var(--kt-accent-glow);
    --kt-radius: 16px;
    --kt-radius-sm: 12px;
    --kt-radius-lg: 24px;
}

/* ============================================================
   2. 全局基础 & body - 剧院暗场
   ============================================================ */
html[data-skin="kinetic"] body {
    font-family: 'Inter', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', -apple-system, sans-serif;
    font-weight: 400;
    color: var(--kt-text);
    background:
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(192, 132, 252, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 85% 50%, rgba(255, 154, 86, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse 50% 40% at 15% 80%, rgba(192, 132, 252, 0.05) 0%, transparent 50%),
        var(--kt-bg);
    background-attachment: fixed;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    color-scheme: dark;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html[data-skin="kinetic"] .petals,
html[data-skin="kinetic"] .stars,
html[data-skin="kinetic"] .header-deco { display: none !important; }

/* ============================================================
   3. 主容器
   ============================================================ */
html[data-skin="kinetic"] .container {
    position: relative;
    z-index: 1;
    max-width: 1080px;
    margin: 0 auto;
    padding: 80px 28px 80px;
}

/* ============================================================
   4. 头部 - 舞台帷幕拉开
   ============================================================ */
html[data-skin="kinetic"] .header {
    text-align: center;
    padding: 60px 40px;
    background: linear-gradient(180deg, var(--kt-bg-card) 0%, var(--kt-bg-alt) 100%);
    border-radius: var(--kt-radius-lg);
    border: 1px solid var(--kt-border);
    box-shadow: var(--kt-shadow-md), 0 0 60px var(--kt-secondary-glow);
    margin-bottom: 56px;
    position: relative;
    overflow: hidden;
    animation: ktCurtainRise 1.2s cubic-bezier(0.22, 0.61, 0.36, 1);
}
@keyframes ktCurtainRise {
    0% { opacity: 0; transform: scaleY(0.8); transform-origin: bottom; }
    100% { opacity: 1; transform: scaleY(1); transform-origin: bottom; }
}
/* 舞台聚光灯效果 */
html[data-skin="kinetic"] .header::before {
    content: "";
    position: absolute;
    top: -100px; left: 50%; right: auto;
    transform: translateX(-50%);
    width: 400px; height: 400px;
    background: radial-gradient(ellipse, rgba(255, 154, 86, 0.08) 0%, transparent 70%);
    pointer-events: none;
}
html[data-skin="kinetic"] .header-icon,
html[data-skin="kinetic"] .header-icon-img {
    width: 80px; height: 80px;
    display: block;
    margin: 0 auto 24px;
    border-radius: 20px;
    box-shadow: 0 0 30px var(--kt-accent-glow);
    transition: all 0.5s ease;
    position: relative;
    z-index: 1;
    animation: ktIconPulse 3s ease-in-out infinite;
}
@keyframes ktIconPulse {
    0%, 100% { box-shadow: 0 0 20px var(--kt-accent-glow); }
    50% { box-shadow: 0 0 40px var(--kt-accent-glow-strong); }
}
html[data-skin="kinetic"] .header-icon-img:hover {
    box-shadow: 0 0 50px var(--kt-accent-glow-strong);
    transform: scale(1.05);
}
html[data-skin="kinetic"] .header h1 {
    font-size: clamp(32px, 5vw, 48px);
    color: var(--kt-text);
    margin-bottom: 14px;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.2;
    position: relative;
    z-index: 1;
    text-shadow: none;
    background: linear-gradient(135deg, var(--kt-accent), var(--kt-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
html[data-skin="kinetic"] .header p {
    font-size: clamp(15px, 2vw, 17px);
    color: var(--kt-text-secondary);
    line-height: 1.8;
    max-width: 540px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ============================================================
   5. 卡片网格
   ============================================================ */
html[data-skin="kinetic"] .cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

/* ============================================================
   6. 卡片 - 滚动渐入 + 弹簧弹性效果
   ============================================================ */
html[data-skin="kinetic"] .site-card {
    background: var(--kt-bg-card);
    border-radius: var(--kt-radius);
    padding: 32px 26px;
    text-align: center;
    border: 1px solid var(--kt-border);
    box-shadow: var(--kt-shadow-sm);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    /* 滚动驱动动画：从右侧滑入 */
    animation: ktSlideIn 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) both;
    animation-delay: calc(var(--card-index, 0) * 0.08s);
    /* 卡片自身微呼吸 */
}
@keyframes ktSlideIn {
    from { opacity: 0; transform: translateX(60px) rotateY(10deg); }
    to   { opacity: 1; transform: translateX(0) rotateY(0); }
}

/* 卡片边框发光效果 */
html[data-skin="kinetic"] .site-card::before {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: var(--kt-radius);
    padding: 1px;
    background: linear-gradient(135deg, rgba(255, 154, 86, 0.15), rgba(192, 132, 252, 0.15), rgba(255, 154, 86, 0.15));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    z-index: 0;
}
html[data-skin="kinetic"] .site-card:hover::before { opacity: 1; }

/* 卡片底部光条 */
html[data-skin="kinetic"] .site-card::after {
    content: "";
    position: absolute;
    bottom: 0; left: 10%; right: 10%;
    height: 2px;
    background: linear-gradient(90deg,
        transparent,
        var(--kt-accent),
        var(--kt-secondary),
        var(--kt-accent),
        transparent);
    transform: scaleX(0);
    transition: transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
    pointer-events: none;
    z-index: 1;
}
html[data-skin="kinetic"] .site-card:hover { transform: translateY(-8px); background: var(--kt-bg-card-hover); box-shadow: var(--kt-shadow-hover); }
html[data-skin="kinetic"] .site-card:hover::after { transform: scaleX(1); }
html[data-skin="kinetic"] .site-card:active { transform: translateY(-4px) scale(0.98); }

/* 悬停波纹 */
html[data-skin="kinetic"] .site-card .ripple {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 154, 86, 0.4) 0%, transparent 70%);
    animation: ktRipple 0.8s ease-out forwards;
    pointer-events: none;
}
@keyframes ktRipple {
    from { width: 0; height: 0; opacity: 1; }
    to { width: 300px; height: 300px; opacity: 0; }
}

/* ============================================================
   7. 卡片图标
   ============================================================ */
html[data-skin="kinetic"] .card-icon {
    width: 56px; height: 56px;
    margin: 0 auto 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    padding: 10px;
    border: 1px solid var(--kt-border);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    z-index: 1;
}
html[data-skin="kinetic"] .site-card:hover .card-icon {
    border-color: var(--kt-border-hover);
    box-shadow: 0 0 24px var(--kt-accent-glow);
    transform: scale(1.08) rotate(-3deg);
}
html[data-skin="kinetic"] .card-icon-img {
    width: 56px; height: 56px;
    object-fit: contain;
    border-radius: 10px;
    filter: brightness(0.9);
    transition: filter 0.4s;
}
html[data-skin="kinetic"] .site-card:hover .card-icon-img { filter: brightness(1.15); }

/* ============================================================
   8. 卡片标题 & 描述
   ============================================================ */
html[data-skin="kinetic"] .card-title {
    font-size: clamp(17px, 2.5vw, 22px);
    color: var(--kt-text);
    margin-bottom: 8px;
    font-weight: 650;
    letter-spacing: -0.2px;
    line-height: 1.3;
    transition: color 0.4s ease;
    position: relative;
    z-index: 1;
}
html[data-skin="kinetic"] .site-card:hover .card-title {
    background: linear-gradient(135deg, var(--kt-accent), var(--kt-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
html[data-skin="kinetic"] .card-desc {
    font-size: 13px;
    color: var(--kt-text-secondary);
    line-height: 1.65;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

/* ============================================================
   9. 卡片状态
   ============================================================ */
html[data-skin="kinetic"] .card-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 11px;
    position: relative;
    z-index: 1;
}
html[data-skin="kinetic"] .status-indicator {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--kt-border);
    transition: all 0.3s ease;
}
html[data-skin="kinetic"] .status-dot {
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--kt-text-muted);
    animation: ktDotPulse 1.5s ease-in-out infinite;
}
@keyframes ktDotPulse { 0%,100%{opacity:1;} 50%{opacity:0.4;} }
html[data-skin="kinetic"] .status-text { color: var(--kt-text-secondary); font-weight: 500; }
html[data-skin="kinetic"] .status-active .status-dot { background: #4CAF50; box-shadow: 0 0 8px rgba(76,175,80,0.5); }
html[data-skin="kinetic"] .status-active .status-text { color: #4CAF50; }
html[data-skin="kinetic"] .status-slow .status-dot { background: #FF9800; box-shadow: 0 0 8px rgba(255,152,0,0.5); }
html[data-skin="kinetic"] .status-slow .status-text { color: #FF9800; }
html[data-skin="kinetic"] .status-error .status-dot { background: #F44336; box-shadow: 0 0 8px rgba(244,67,54,0.5); }
html[data-skin="kinetic"] .status-error .status-text { color: #F44336; }

html[data-skin="kinetic"] .latency-badge {
    padding: 4px 12px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--kt-border);
    color: var(--kt-text-secondary);
    font-weight: 500;
    font-size: 11px;
}
html[data-skin="kinetic"] .latency-fast { background: rgba(76,175,80,0.1); color: #4CAF50; border-color: rgba(76,175,80,0.2); }
html[data-skin="kinetic"] .latency-medium { background: rgba(255,152,0,0.1); color: #FF9800; border-color: rgba(255,152,0,0.2); }
html[data-skin="kinetic"] .latency-slow { background: rgba(244,67,54,0.1); color: #F44336; border-color: rgba(244,67,54,0.2); }

/* ============================================================
   10. 卡片按钮 - 脉冲波纹
   ============================================================ */
html[data-skin="kinetic"] .card-link {
    display: inline-block;
    padding: 11px 28px;
    background: linear-gradient(135deg, var(--kt-accent), #e08640);
    color: #1a1124;
    text-decoration: none;
    border-radius: 22px;
    font-size: 14px;
    font-family: inherit;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: none;
    cursor: pointer;
    pointer-events: auto;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 16px var(--kt-accent-glow);
}
html[data-skin="kinetic"] .card-link:hover {
    background: linear-gradient(135deg, var(--kt-accent-hover), var(--kt-accent));
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 28px var(--kt-accent-glow-strong);
    animation: ktBtnPulse 1s ease-out;
}
html[data-skin="kinetic"] .card-link:active {
    transform: scale(0.95);
}
html[data-skin="kinetic"] .card-info-btn {
    display: inline-block;
    padding: 11px 28px;
    background: linear-gradient(135deg, var(--kt-accent), #e08640);
    color: #1a1124;
    text-decoration: none;
    border-radius: 22px;
    font-size: 14px;
    font-family: inherit;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: none;
    cursor: pointer;
    pointer-events: auto;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 16px var(--kt-accent-glow);
}
html[data-skin="kinetic"] .card-info-btn:hover {
    background: linear-gradient(135deg, var(--kt-accent-hover), var(--kt-accent));
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 28px var(--kt-accent-glow-strong);
    animation: ktBtnPulse 1s ease-out;
}
html[data-skin="kinetic"] .card-info-btn:active {
    transform: scale(0.95);
}

@keyframes ktBtnPulse {
    0% { box-shadow: 0 0 0 0 var(--kt-accent-glow-strong); }
    70% { box-shadow: 0 0 0 16px rgba(255, 154, 86, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 154, 86, 0); }
}

/* ============================================================
   11. 弹窗遮罩
   ============================================================ */
html[data-skin="kinetic"] .modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(26, 17, 36, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}
html[data-skin="kinetic"] .modal-overlay.active { opacity: 1; visibility: visible; }

/* ============================================================
   12. 弹窗 - 剧院聚光灯
   ============================================================ */
html[data-skin="kinetic"] .modal {
    background: var(--kt-bg-card);
    border-radius: var(--kt-radius-lg);
    padding: 44px 40px;
    max-width: 500px;
    width: 100%;
    border: 1px solid var(--kt-border);
    box-shadow: var(--kt-shadow-hover), 0 0 80px var(--kt-accent-glow);
    position: relative;
    transform: scale(0.9) translateY(30px);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
}
html[data-skin="kinetic"] .modal::before {
    content: "";
    position: absolute;
    top: -100px; left: 50%;
    transform: translateX(-50%);
    width: 300px; height: 300px;
    background: radial-gradient(ellipse, rgba(255, 154, 86, 0.06) 0%, transparent 70%);
    pointer-events: none;
}
html[data-skin="kinetic"] .modal-overlay.active .modal { transform: scale(1) translateY(0); }

/* ============================================================
   13. 弹窗关闭按钮
   ============================================================ */
html[data-skin="kinetic"] .modal-close {
    position: absolute;
    top: 18px; right: 18px;
    width: 36px; height: 36px;
    border: 1px solid var(--kt-border);
    background: rgba(255, 255, 255, 0.04);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
    z-index: 1;
}
html[data-skin="kinetic"] .modal-close:hover {
    background: rgba(255, 154, 86, 0.1);
    border-color: var(--kt-border-hover);
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 0 16px var(--kt-accent-glow);
}
html[data-skin="kinetic"] .modal-close svg {
    width: 16px; height: 16px;
    min-width: 16px; min-height: 16px;
    stroke: var(--kt-text-secondary);
    transition: stroke 0.3s;
    flex-shrink: 0;
}
html[data-skin="kinetic"] .modal-close:hover svg { stroke: var(--kt-accent); }

/* ============================================================
   14. 弹窗内容
   ============================================================ */
html[data-skin="kinetic"] .modal-icon {
    width: 80px; height: 80px;
    margin: 0 auto 20px;
    display: block;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--kt-border);
    padding: 14px;
    box-shadow: 0 0 24px var(--kt-accent-glow);
}
html[data-skin="kinetic"] .modal-title {
    font-size: 28px;
    color: var(--kt-text);
    text-align: center;
    margin-bottom: 12px;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.3;
}
html[data-skin="kinetic"] .modal-desc {
    font-size: 14px;
    color: var(--kt-text-secondary);
    text-align: center;
    line-height: 1.8;
    margin-bottom: 28px;
}
html[data-skin="kinetic"] .modal-details {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--kt-border);
    border-radius: var(--kt-radius-sm);
    padding: 20px 24px;
    margin-bottom: 28px;
}
html[data-skin="kinetic"] .modal-detail-item {
    display: flex;
    align-items: center;
    padding: 10px 0;
    font-size: 13px;
    color: var(--kt-text-secondary);
}
html[data-skin="kinetic"] .modal-detail-item:not(:last-child) { border-bottom: 1px solid var(--kt-border); }
html[data-skin="kinetic"] .modal-detail-item svg {
    width: 18px; height: 18px;
    min-width: 18px; min-height: 18px;
    margin-right: 12px;
    flex-shrink: 0;
    stroke: var(--kt-accent);
}
html[data-skin="kinetic"] .modal-detail-item span { color: var(--kt-text); font-weight: 500; }
html[data-skin="kinetic"] .modal-detail-item .latency-fast { color: #4CAF50; font-weight: 600; }
html[data-skin="kinetic"] .modal-detail-item .latency-medium { color: #FF9800; font-weight: 600; }
html[data-skin="kinetic"] .modal-detail-item .latency-slow { color: #F44336; font-weight: 600; }

/* ============================================================
   15. 弹窗按钮
   ============================================================ */
html[data-skin="kinetic"] .modal-actions { display: flex; gap: 12px; }
html[data-skin="kinetic"] .modal-btn {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: 22px;
    font-size: 14px;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    text-align: center;
    text-decoration: none;
    display: inline-block;
    letter-spacing: 0.3px;
}
html[data-skin="kinetic"] .modal-btn-primary {
    background: linear-gradient(135deg, var(--kt-accent), #e08640);
    color: #1a1124;
    box-shadow: 0 4px 16px var(--kt-accent-glow);
}
html[data-skin="kinetic"] .modal-btn-primary:hover {
    background: linear-gradient(135deg, var(--kt-accent-hover), var(--kt-accent));
    transform: translateY(-2px);
    box-shadow: 0 8px 28px var(--kt-accent-glow-strong);
}
html[data-skin="kinetic"] .modal-btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--kt-text);
    border: 1px solid var(--kt-border);
}
html[data-skin="kinetic"] .modal-btn-secondary:hover {
    background: rgba(255, 154, 86, 0.08);
    border-color: var(--kt-border-hover);
    transform: translateY(-2px);
}

/* ============================================================
   16. 备用链接
   ============================================================ */
html[data-skin="kinetic"] .backup-links { display: flex; flex-direction: column; gap: 6px; margin-top: 6px; width: 100%; }
html[data-skin="kinetic"] .backup-link-item {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--kt-border);
    border-radius: var(--kt-radius-sm);
    font-size: 12px;
    transition: all 0.3s ease;
}
html[data-skin="kinetic"] .backup-link-item:hover { background: rgba(255, 154, 86, 0.06); border-color: var(--kt-border-hover); }
html[data-skin="kinetic"] .backup-link-item a { color: var(--kt-text-secondary); text-decoration: none; word-break: break-all; flex: 1; }
html[data-skin="kinetic"] .backup-link-item a:hover { color: var(--kt-accent); text-decoration: underline; }
html[data-skin="kinetic"] .backup-link-item .copy-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--kt-border);
    border-radius: 8px;
    padding: 4px 10px;
    cursor: pointer;
    font-size: 10px;
    color: var(--kt-text-secondary);
    font-family: inherit;
    font-weight: 500;
    transition: all 0.3s;
}
html[data-skin="kinetic"] .backup-link-item .copy-btn:hover { background: var(--kt-accent); color: #1a1124; border-color: var(--kt-accent); }

/* ============================================================
   17. 底部 - 舞台谢幕
   ============================================================ */
html[data-skin="kinetic"] .footer {
    text-align: center;
    padding: 40px 30px;
    background: linear-gradient(180deg, var(--kt-bg-card) 0%, var(--kt-bg-alt) 100%);
    border: 1px solid var(--kt-border);
    border-radius: var(--kt-radius);
    box-shadow: var(--kt-shadow-sm);
    animation: ktFadeUp 0.8s ease-out 0.5s both;
}
@keyframes ktFadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
html[data-skin="kinetic"] .footer p { font-size: 13px; color: var(--kt-text-secondary); margin: 8px 0; line-height: 1.8; }
html[data-skin="kinetic"] .footer .update-time { font-weight: 650; color: var(--kt-text); }
html[data-skin="kinetic"] .footer a { color: var(--kt-accent); text-decoration: none; font-weight: 600; transition: color 0.3s; }
html[data-skin="kinetic"] .footer a:hover { color: var(--kt-accent-hover); }
html[data-skin="kinetic"] .heart-icon { display: inline-block; width: 16px; height: 16px; vertical-align: middle; animation: ktHeartBeat 1.5s ease-in-out infinite; will-change: transform; }
@keyframes ktHeartBeat { 0%,100%{transform:scale(1);} 25%{transform:scale(1.2);} 50%{transform:scale(1);} 75%{transform:scale(1.15);} }

/* ============================================================
   18. 公告弹窗
   ============================================================ */
html[data-skin="kinetic"] .announcement-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(26, 17, 36, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex; align-items: center; justify-content: center;
    z-index: 2000;
    animation: ktOverlayFade 0.3s ease;
}
@keyframes ktOverlayFade { from { opacity: 0; } to { opacity: 1; } }
html[data-skin="kinetic"] .announcement-popup {
    background: var(--kt-bg-card);
    border: 1px solid var(--kt-border);
    border-radius: var(--kt-radius-lg);
    padding: 36px 32px;
    max-width: 480px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--kt-shadow-hover), 0 0 60px var(--kt-accent-glow);
    animation: ktPopupSlide 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}
html[data-skin="kinetic"] .announcement-popup::before {
    content: ''; position: absolute;
    top: -80px; left: 50%; transform: translateX(-50%); width: 240px; height: 240px;
    background: radial-gradient(ellipse, rgba(255, 154, 86, 0.06) 0%, transparent 70%);
    pointer-events: none;
}
@keyframes ktPopupSlide { from { opacity: 0; transform: scale(0.9) translateY(24px); } to { opacity: 1; transform: scale(1) translateY(0); } }
html[data-skin="kinetic"] .popup-header {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 22px; padding-bottom: 18px;
    border-bottom: 1px solid var(--kt-border);
    position: relative;
}
html[data-skin="kinetic"] .popup-icon { width: 28px; height: 28px; color: var(--kt-accent); flex-shrink: 0; filter: drop-shadow(0 0 6px var(--kt-accent-glow)); }
html[data-skin="kinetic"] .popup-header h3 { margin: 0; color: var(--kt-text); font-size: 20px; font-weight: 700; }
html[data-skin="kinetic"] .popup-content { display: flex; flex-direction: column; gap: 14px; }
html[data-skin="kinetic"] .popup-ann-item {
    padding: 18px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--kt-border);
    border-left: 3px solid var(--kt-accent);
    border-radius: var(--kt-radius-sm);
    transition: all 0.3s ease;
}
html[data-skin="kinetic"] .popup-ann-item:hover { border-left-color: var(--kt-secondary); box-shadow: 0 0 16px var(--kt-accent-glow); }
html[data-skin="kinetic"] .popup-ann-item .popup-badge {
    display: inline-block; padding: 3px 10px;
    border-radius: 10px; font-size: 11px;
    font-weight: 600; margin-bottom: 8px;
    color: #1a1124;
}
html[data-skin="kinetic"] .popup-ann-item .popup-badge.info { background: linear-gradient(135deg, var(--kt-accent), #e08640); }
html[data-skin="kinetic"] .popup-ann-item .popup-badge.urgent { background: #F44336; color: #fff; animation: ktUrgentPulse 1.5s ease-in-out infinite; }
html[data-skin="kinetic"] .popup-ann-item .popup-badge.maintenance { background: #FF9800; color: #fff; }
@keyframes ktUrgentPulse { 0%,100%{opacity:1;} 50%{opacity:0.5;} }
html[data-skin="kinetic"] .popup-ann-item p { margin: 0; color: var(--kt-text-secondary); font-size: 13px; line-height: 1.7; }
html[data-skin="kinetic"] .popup-close-btn {
    display: block; width: 100%; padding: 14px; margin-top: 28px;
    background: linear-gradient(135deg, var(--kt-accent), #e08640);
    color: #1a1124; border: none;
    border-radius: 22px; font-size: 14px; font-weight: 600;
    font-family: inherit; letter-spacing: 0.3px;
    cursor: pointer; transition: all 0.35s ease;
    box-shadow: 0 4px 16px var(--kt-accent-glow);
}
html[data-skin="kinetic"] .popup-close-btn:hover { background: linear-gradient(135deg, var(--kt-accent-hover), var(--kt-accent)); transform: translateY(-2px); box-shadow: 0 8px 28px var(--kt-accent-glow-strong); }

/* ============================================================
   19. 公告横幅
   ============================================================ */
html[data-skin="kinetic"] .announcement-banner {
    background: var(--kt-bg-card);
    border: 1px solid var(--kt-border);
    border-radius: var(--kt-radius);
    padding: 16px 24px;
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
    min-height: 80px;
}
html[data-skin="kinetic"] .announcement-banner::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--kt-accent), var(--kt-secondary), var(--kt-accent), transparent);
}
html[data-skin="kinetic"] .announcement-text { font-size: 13px; color: var(--kt-text-secondary); font-weight: 500; line-height: 1.6; }
html[data-skin="kinetic"] .announcement-text strong { color: var(--kt-text); }
html[data-skin="kinetic"] .announcement-badge {
    padding: 4px 12px; border-radius: 14px;
    font-size: 11px; font-weight: 600; flex-shrink: 0;
    color: #1a1124;
}
html[data-skin="kinetic"] .announcement-badge.info { background: linear-gradient(135deg, var(--kt-accent), #e08640); }
html[data-skin="kinetic"] .announcement-badge.urgent { background: #F44336; color: #fff; animation: ktUrgentPulse 1.5s ease-in-out infinite; }
html[data-skin="kinetic"] .announcement-badge.maintenance { background: #FF9800; color: #fff; }
html[data-skin="kinetic"] .ann-control-btn {
    width: 30px; height: 30px;
    border-radius: 10px;
    border: 1px solid var(--kt-border);
    background: rgba(255, 255, 255, 0.04);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: all 0.3s ease;
}
html[data-skin="kinetic"] .ann-control-btn svg { width: 14px; height: 14px; min-width: 14px; min-height: 14px; flex-shrink: 0; stroke: var(--kt-text-secondary); transition: stroke 0.3s; }
html[data-skin="kinetic"] .ann-control-btn:hover { background: rgba(255, 154, 86, 0.08); border-color: var(--kt-border-hover); }
html[data-skin="kinetic"] .ann-control-btn:hover svg { stroke: var(--kt-accent); }

/* ============================================================
   20. 皮肤切换器
   ============================================================ */
html[data-skin="kinetic"] .skin-switcher { background: var(--kt-bg-card); border: 1px solid var(--kt-border); border-radius: var(--kt-radius); box-shadow: var(--kt-shadow-md); }
html[data-skin="kinetic"] .skin-option { color: var(--kt-text-secondary); transition: all 0.3s; }
html[data-skin="kinetic"] .skin-option:hover { color: var(--kt-text); background: rgba(255, 255, 255, 0.04); }
html[data-skin="kinetic"] .skin-option.active { color: var(--kt-accent); background: rgba(255, 154, 86, 0.08); font-weight: 600; }

/* ============================================================
   21. 响应式：平板 (<= 900px)
   ============================================================ */
@media (max-width: 900px) {
    html[data-skin="kinetic"] .container { padding: 56px 20px 60px; }
    html[data-skin="kinetic"] .header { padding: 48px 28px; }
    html[data-skin="kinetic"] .cards-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
    html[data-skin="kinetic"] .site-card { padding: 26px 20px; }
}

/* ============================================================
   22. 响应式：手机 (<= 640px)
   ============================================================ */
@media (max-width: 640px) {
    html[data-skin="kinetic"] { font-size: 14px; }
    html[data-skin="kinetic"] .container { padding: 36px 14px 48px; }
    html[data-skin="kinetic"] .header { padding: 40px 20px 36px; margin-bottom: 36px; border-radius: var(--kt-radius); }
    html[data-skin="kinetic"] .header-icon, html[data-skin="kinetic"] .header-icon-img { width: 60px; height: 60px; }
    html[data-skin="kinetic"] .header h1 { font-size: clamp(24px, 8vw, 36px); }
    html[data-skin="kinetic"] .cards-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 40px; }
    html[data-skin="kinetic"] .site-card { padding: 22px 16px; border-radius: var(--kt-radius-sm); }
    html[data-skin="kinetic"] .site-card:active { transform: scale(0.97); }
    html[data-skin="kinetic"] .card-icon { width: 44px; height: 44px; }
    html[data-skin="kinetic"] .card-link { padding: 10px 22px; font-size: 13px; }
    html[data-skin="kinetic"] .modal { padding: 32px 24px; border-radius: var(--kt-radius); }
    html[data-skin="kinetic"] .modal-icon { width: 64px; height: 64px; }
    html[data-skin="kinetic"] .modal-title { font-size: 24px; }
    html[data-skin="kinetic"] .modal-actions { flex-direction: column; }
    html[data-skin="kinetic"] .announcement-popup { padding: 28px 20px; }
    html[data-skin="kinetic"] .footer { padding: 28px 20px; }
}

/* ============================================================
   23. 响应式：小屏手机 (<= 400px)
   ============================================================ */
@media (max-width: 400px) {
    html[data-skin="kinetic"] { font-size: 13px; }
    html[data-skin="kinetic"] .container { padding: 24px 10px 36px; }
    html[data-skin="kinetic"] .header { padding: 32px 16px 28px; }
    html[data-skin="kinetic"] .cards-grid { gap: 10px; }
    html[data-skin="kinetic"] .site-card { padding: 18px 12px; }
}

/* ============================================================
   24. 触摸设备
   ============================================================ */
@media (hover: none) and (pointer: coarse) {
    html[data-skin="kinetic"] .site-card:hover { transform: none; background: var(--kt-bg-card); box-shadow: var(--kt-shadow-sm); }
    html[data-skin="kinetic"] .site-card:hover::before { opacity: 0; }
    html[data-skin="kinetic"] .site-card:hover::after { transform: scaleX(0); }
    html[data-skin="kinetic"] .site-card:active { transform: scale(0.97); background: var(--kt-bg-card-hover); box-shadow: var(--kt-shadow-hover); }
    html[data-skin="kinetic"] .site-card:active::before { opacity: 1; }
    html[data-skin="kinetic"] .site-card:active::after { transform: scaleX(1); }
}

/* ============================================================
   25. 减少动画偏好
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    html[data-skin="kinetic"] *, html[data-skin="kinetic"] *::before, html[data-skin="kinetic"] *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}