/* ============================================
   Nav Home — 全新设计系统
   ============================================ */

/* ---------- 变量 ---------- */
:root {
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --bg: #06060e;
    --bg-elevated: rgba(255,255,255,0.03);
    --bg-card: rgba(255,255,255,0.03);
    --bg-card-hover: rgba(255,255,255,0.05);
    --surface: rgba(255,255,255,0.06);
    --text-1: #f0f0f5;
    --text-2: #8b8ba7;
    --text-3: #4e4e6a;
    --border: rgba(255,255,255,0.06);
    --border-hover: rgba(255,255,255,0.12);
    --accent: #7c5cfc;
    --accent-2: #5eead4;
    --radius: 14px;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --sidebar-width: 220px;
    --sidebar-rail-width: 74px;
    --content-max: 1560px;
    --sidebar-mobile-width: min(78vw, 292px);
}

[data-theme="light"] {
    --bg: #f4f4f8;
    --bg-elevated: rgba(0,0,0,0.02);
    --bg-card: rgba(255,255,255,0.7);
    --bg-card-hover: rgba(255,255,255,0.9);
    --surface: rgba(0,0,0,0.04);
    --text-1: #111118;
    --text-2: #6b6b80;
    --text-3: #a0a0b0;
    --border: rgba(0,0,0,0.07);
    --border-hover: rgba(0,0,0,0.14);
}

/* View Transitions — 主题切换圆形扩散 */
::view-transition-old(root),
::view-transition-new(root) {
    animation: none;
    mix-blend-mode: normal;
}
::view-transition-old(root) { z-index: 1; }
::view-transition-new(root) { z-index: 9999; }

/* 主题切换期间禁用耗性能属性 */
.theme-switching .sidebar,
.theme-switching .sidebar-backdrop,
.theme-switching .hero,
.theme-switching .home-hotline,
.theme-switching .side-card,
.theme-switching .card-body,
.theme-switching .nav-modal-overlay::before {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}
.theme-switching *,
.theme-switching *::before,
.theme-switching *::after {
    transition-duration: 0s !important;
}

/* ---------- 重置 ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
}
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text-1);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* 滚动条 */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(124,92,252,0.3); border-radius: 5px; }

/* 无缝循环滚动 keyframe */
@keyframes tileSlide {
    from { transform: translate3d(0, 0, 0); }
    to   { transform: translate3d(-50%, 0, 0); }
}
@keyframes tileSlideReverse {
    from { transform: translate3d(-50%, 0, 0); }
    to   { transform: translate3d(0, 0, 0); }
}

/* ======================================
   启动遮罩 (Splash)
   ====================================== */
.splash {
    position: fixed;
    inset: 0;
    z-index: 1000;
    --splash-x: 50%;
    --splash-y: 50%;
    --splash-layer-x: 0px;
    --splash-layer-y: 0px;
    --splash-offset-x: 0px;
    --splash-offset-y: 0px;
    --splash-press-scale: 1;
    --splash-slide-duration: 1.02s;
    --splash-slide-ease: cubic-bezier(0.32, 0, 0.18, 1);
    --splash-grid-size: clamp(42px, 7vw, 88px);
    --splash-ecg-shift: -900px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(ellipse at 50% 42%, rgba(124,92,252,0.13), transparent 58%),
        radial-gradient(ellipse at 50% 70%, rgba(94,234,212,0.08), transparent 64%),
        var(--bg);
    transition: transform var(--splash-slide-duration) var(--splash-slide-ease);
    overflow: hidden;
    cursor: pointer;
    isolation: isolate;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    will-change: transform;
    backface-visibility: hidden;
    transform: translate3d(0, 0, 0);
}
.splash::before,
.splash::after {
    content: '';
    position: absolute;
    pointer-events: none;
}
.splash::before {
    top: 50%;
    left: -50%;
    width: 200%;
    height: min(66vh, 620px);
    z-index: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='900' height='620' viewBox='0 0 900 620' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 310H96L122 310L151 154L184 484L219 254L252 310H374L402 310L432 76L470 544L510 184L548 310H660L690 310L720 230L750 390L786 310H900' fill='none' stroke='rgba(124,92,252,0.38)' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M0 310H900' fill='none' stroke='rgba(94,234,212,0.14)' stroke-width='1'/%3E%3C/svg%3E");
    background-repeat: repeat-x;
    background-size: 900px 100%;
    background-position: 0 50%;
    opacity: 0.48;
    transform: translate3d(0, -50%, 0);
    animation: splashEcgMove 5.8s linear infinite;
}
.splash::after {
    inset: 0;
    z-index: 0;
    background:
        linear-gradient(90deg, var(--bg), transparent 18%, transparent 82%, var(--bg)),
        linear-gradient(180deg, rgba(255,255,255,0.012), transparent 42%, rgba(0,0,0,0.18)),
        linear-gradient(rgba(255,255,255,0.030) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.030) 1px, transparent 1px);
    background-size: auto, auto, var(--splash-grid-size) var(--splash-grid-size), var(--splash-grid-size) var(--splash-grid-size);
    background-position: center;
    opacity: 0.86;
    transition: opacity 0.28s ease;
}
[data-theme="light"] .splash {
    background:
        radial-gradient(ellipse at 50% 42%, rgba(124,92,252,0.10), transparent 58%),
        radial-gradient(ellipse at 50% 70%, rgba(20,184,166,0.07), transparent 64%),
        var(--bg);
}
[data-theme="light"] .splash::before {
    background-image: url("data:image/svg+xml,%3Csvg width='900' height='620' viewBox='0 0 900 620' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 310H96L122 310L151 154L184 484L219 254L252 310H374L402 310L432 76L470 544L510 184L548 310H660L690 310L720 230L750 390L786 310H900' fill='none' stroke='rgba(124,92,252,0.22)' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M0 310H900' fill='none' stroke='rgba(20,184,166,0.10)' stroke-width='1'/%3E%3C/svg%3E");
    opacity: 0.34;
}
[data-theme="light"] .splash::after {
    background:
        linear-gradient(90deg, var(--bg), transparent 18%, transparent 82%, var(--bg)),
        linear-gradient(180deg, rgba(255,255,255,0.20), transparent 44%, rgba(255,255,255,0.14)),
        linear-gradient(rgba(17,17,24,0.042) 1px, transparent 1px),
        linear-gradient(90deg, rgba(17,17,24,0.042) 1px, transparent 1px);
    background-size: auto, auto, var(--splash-grid-size) var(--splash-grid-size), var(--splash-grid-size) var(--splash-grid-size);
}
.splash.slide-up {
    transform: translate3d(0, -104%, 0) scale(0.985);
    pointer-events: none;
}
.splash.slide-up::before,
.splash.slide-up .splash-arrow,
.splash.slide-up .splash-logo svg {
    animation-play-state: paused;
}

.splash.slide-up .splash-content {
    opacity: 0;
    transform: translate3d(var(--splash-offset-x), calc(var(--splash-offset-y) - 18px), 0) scale(0.988);
    transition-duration: 0.46s;
    transition-timing-function: var(--splash-slide-ease);
}

.splash.slide-up .splash-arrow-wrap,
.splash.slide-up .splash-footer {
    opacity: 0;
    transition-duration: 0.36s;
}

.splash.is-pressing {
    --splash-press-scale: 0.986;
}

.splash.is-pressing::before {
    opacity: 0.9;
}

.splash.is-pressing::after {
    opacity: 1;
}

.splash-snake {
    display: none;
}
.splash-snake span {
    position: absolute;
    left: var(--snake-x, 50%);
    top: var(--snake-y, 50%);
    width: calc(16px - var(--snake-index, 0) * 0.9px);
    height: calc(16px - var(--snake-index, 0) * 0.9px);
    min-width: 6px;
    min-height: 6px;
    border-radius: 4px;
    background: color-mix(in srgb, var(--accent) calc(78% - var(--snake-index, 0) * 5%), var(--accent-2));
    box-shadow: 0 0 16px rgba(124,92,252,0.28), 0 0 28px rgba(94,234,212,0.14);
    opacity: calc(0.88 - var(--snake-index, 0) * 0.065);
    transform: translate3d(-50%, -50%, 0) rotate(-15deg);
    transition: opacity 0.2s ease;
    will-change: left, top;
}
.splash.slide-up .splash-snake {
    opacity: 0;
    transition: opacity 0.22s ease;
}

.splash-scan {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: block;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.28s ease, transform 0.5s var(--ease);
    transform: translate3d(0, 0, 0) scale(1);
}
.splash-scan::before,
.splash-scan::after {
    content: '';
    position: absolute;
    left: var(--splash-x);
    top: var(--splash-y);
    border-radius: 50%;
    pointer-events: none;
    opacity: 0;
    transform: translate3d(-50%, -50%, 0) scale(0.18);
    will-change: transform, opacity;
}
.splash-scan::before {
    width: clamp(220px, 34vmax, 560px);
    height: clamp(220px, 34vmax, 560px);
    background:
        radial-gradient(circle, rgba(255,255,255,0.20) 0 4%, rgba(255,255,255,0.11) 20%, transparent 62%);
}
.splash-scan::after {
    width: clamp(130px, 20vmax, 340px);
    height: clamp(130px, 20vmax, 340px);
    border: 1px solid rgba(255,255,255,0.32);
    box-shadow: 0 0 24px rgba(255,255,255,0.08), inset 0 0 22px rgba(255,255,255,0.08);
}
.splash:hover .splash-scan {
    opacity: 0.34;
}
.splash.is-pressing .splash-scan {
    opacity: 0.44;
    transform: translate3d(0, 0, 0) scale(1.01);
}
.splash.is-pressing .splash-scan::before {
    animation: splashTapBloom 0.58s var(--ease) both;
}
.splash.is-pressing .splash-scan::after {
    animation: splashTapRing 0.52s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.splash.slide-up .splash-scan {
    opacity: 0;
    transform: translate3d(0, -10px, 0) scale(1.05);
    transition-duration: 0.5s;
}
.splash-wave { display: none; }

@keyframes splashEcgMove {
    from { transform: translate3d(0, -50%, 0); }
    to { transform: translate3d(var(--splash-ecg-shift), -50%, 0); }
}

@keyframes splashBeamIdle {
    0%, 100% { opacity: 0.42; transform: translate3d(0, 0, 0) scale(1); }
    50% { opacity: 0.58; transform: translate3d(0, -4px, 0) scale(1.01); }
}
@keyframes splashTapBloom {
    0% { opacity: 0; transform: translate3d(-50%, -50%, 0) scale(0.18); }
    22% { opacity: 0.9; transform: translate3d(-50%, -50%, 0) scale(0.48); }
    100% { opacity: 0; transform: translate3d(-50%, -50%, 0) scale(1); }
}
@keyframes splashTapRing {
    0% { opacity: 0; transform: translate3d(-50%, -50%, 0) scale(0.3); }
    30% { opacity: 0.72; transform: translate3d(-50%, -50%, 0) scale(0.72); }
    100% { opacity: 0; transform: translate3d(-50%, -50%, 0) scale(1.45); }
}

/* 动画期间禁止滚动（包含触摸） */
body.animating {
    overflow: hidden;
    position: fixed;
    inset: 0;
    touch-action: none;
    -webkit-overflow-scrolling: auto;
}

.splash-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 14px;
    animation: splashFadeIn 0.6s ease-out;
    position: relative;
    z-index: 2;
    transform: translate3d(var(--splash-offset-x), var(--splash-offset-y), 0) scale(var(--splash-press-scale));
    transition: transform 0.34s var(--ease), opacity 0.25s ease, filter 0.28s ease;
}
.splash.is-pressing .splash-content {
    transform: translate3d(var(--splash-offset-x), var(--splash-offset-y), 0) scale(var(--splash-press-scale));
}

.splash.is-pressing .splash-logo {
    animation: splashLogoPulse 0.7s var(--ease) both;
}

@keyframes splashLogoPulse {
    0% { transform: translateY(-2px) scale(1); }
    28% { transform: translateY(-2px) scale(0.965); }
    58% { transform: translateY(-2px) scale(1.035); }
    100% { transform: translateY(-2px) scale(1); }
}
@keyframes splashFadeIn {
    from { opacity: 0; transform: translate3d(var(--splash-offset-x), calc(var(--splash-offset-y) + 14px), 0); }
    to { opacity: 1; transform: translate3d(var(--splash-offset-x), var(--splash-offset-y), 0); }
}

/* Logo 居中上方 */
.splash-logo {
    flex-shrink: 0;
    color: var(--text-2);
    filter: drop-shadow(0 18px 44px rgba(0,0,0,0.28));
    transition: transform 0.28s var(--ease), filter 0.28s ease;
}
.splash:hover .splash-logo {
    transform: translateY(-2px);
    filter: drop-shadow(0 20px 48px rgba(0,0,0,0.30)) drop-shadow(0 0 20px rgba(124,92,252,0.14));
}
.splash-logo img {
    display: block;
    width: 92px;
    height: 92px;
    border-radius: 9px;
    object-fit: cover;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18), 0 0 0 1px rgba(255,255,255,0.06);
}
[data-theme="light"] .splash-logo img {
    box-shadow: 0 8px 32px rgba(0,0,0,0.10), 0 0 0 1px rgba(0,0,0,0.06);
}
.splash-logo svg {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: svgDraw 2s ease forwards;
}
@keyframes svgDraw {
    to { stroke-dashoffset: 0; }
}

.splash-title {
    font-size: clamp(26px, 5vw, 40px);
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-1);
    line-height: 1.15;
    text-shadow: 0 16px 46px rgba(0,0,0,0.34);
}
[data-theme="light"] .splash-title {
    color: #1a1a2e;
}
.splash-desc {
    color: var(--text-2);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.3px;
    max-width: 320px;
}
[data-theme="light"] .splash-desc {
    color: #6b6b80;
}

/* 底部引导 */
.splash-arrow-wrap {
    position: absolute;
    bottom: 48px;
    left: 50%;
    transform: translateX(-50%);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    opacity: 0;
    animation: splashArrowIn 0.6s ease-out 0.8s forwards;
    z-index: 2;
    transition: transform 0.24s var(--ease), opacity 0.24s ease;
}
.splash-arrow-wrap:hover,
.splash:hover .splash-arrow-wrap {
    opacity: 0.72;
    transform: translateX(-50%) translateY(-3px);
}
.splash-arrow-wrap:active,
.splash.is-pressing .splash-arrow-wrap {
    transform: translateX(-50%) translateY(-1px);
}
@keyframes splashArrowIn {
    to { opacity: 0.5; }
}
.splash-hint {
    font-size: 11px;
    color: var(--text-3);
    letter-spacing: 1px;
}
.splash-arrow {
    color: var(--text-3);
    animation: bounceDown 2s ease-in-out infinite;
}
@keyframes bounceDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(4px); }
}

.splash-footer {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-3);
    font-size: 11px;
    opacity: 0.25;
    z-index: 2;
}

@media (max-width: 768px) {
    .splash {
        --splash-x: 50%;
        --splash-y: 45%;
        --splash-grid-size: clamp(34px, 13vw, 56px);
        --splash-ecg-shift: -620px;
    }
    .splash::before {
        top: 50%;
        left: -60%;
        width: 220%;
        height: min(52vh, 430px);
        background-size: 620px 100%;
        opacity: 0.40;
        transform: translate3d(0, -50%, 0);
    }
    .splash.is-pressing::before {
        opacity: 0.9;
    }
    .splash-snake {
        display: none;
    }
    .splash-scan {
        display: block;
        opacity: 0.52;
        background:
            radial-gradient(circle at 50% 45%, rgba(255,255,255,0.10), rgba(124,92,252,0.08) 18%, transparent 46%),
            radial-gradient(ellipse at 50% 42%, rgba(94,234,212,0.10), transparent 54%);
    }
    .splash-scan::before {
        width: clamp(180px, 70vw, 360px);
        height: clamp(180px, 70vw, 360px);
    }
    .splash-scan::after {
        width: clamp(112px, 44vw, 240px);
        height: clamp(112px, 44vw, 240px);
    }
    .splash-content {
        width: min(86vw, 360px);
    }
    .splash.slide-up .splash-content {
        transform: translate3d(var(--splash-offset-x), calc(var(--splash-offset-y) - 18px), 0) scale(0.988);
    }
    .splash.slide-up {
        opacity: 0;
        transition-property: transform, opacity;
        transition-duration: 0.82s, 0.46s;
    }
    .splash.slide-up::before,
    .splash.slide-up::after {
        opacity: 0;
        transition: opacity 0.34s ease-out;
    }
    .splash-arrow-wrap { bottom: 36px; }
}

@media (prefers-reduced-motion: reduce) {
    .splash::after,
    .splash-scan,
    .splash-scan::before,
    .splash-scan::after,
    .splash-logo,
    .splash-arrow {
        animation: none !important;
    }
    .splash-content {
        transform: none !important;
    }
}

/* ======================================
   斜切背景动画 (Stage)
   ====================================== */
.stage {
    position: fixed;
    inset: 0;
    z-index: 500;
    background: var(--bg);
    overflow: hidden;
    cursor: pointer;
    transition: background 0.6s ease;
}
.stage.stage-paused .stage-row {
    animation-play-state: paused;
}
.stage::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    background: radial-gradient(ellipse at center, transparent 30%, var(--bg) 80%);
    pointer-events: none;
    transition: opacity 0.5s ease;
}
/* 背景提前就位：z-index降到底层，瓷砖立即成为页面背景 */
.stage.fading {
    z-index: 0;
    background: transparent;
    pointer-events: none;
    opacity: 0.85;
}
.stage.fading::after {
    opacity: 0;
}
/* 飞散过渡：瓷砖飞出（保持底层z-index） */
.stage.flyaway {
    z-index: 0;
    background: transparent;
    overflow: visible;
    pointer-events: none;
}
.stage.flyaway::after {
    opacity: 0;
}
/* 持久背景模式：飞散结束后降为底层 */
.stage.stage-bg {
    z-index: 0;
    background: transparent;
    pointer-events: none;
    overflow: hidden;
    cursor: default;
    opacity: 0.75;
}
.stage.stage-bg::after {
    opacity: 0;
}
[data-theme="light"] .stage.stage-bg {
    opacity: 0.75;
}

.stage-tiles {
    position: absolute;
    inset: -30%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 14px;
    transform: rotate(-15deg) scale(1.3);
}

.stage-row {
    display: flex;
    width: max-content;
    will-change: transform;
    backface-visibility: hidden;
    transform-style: flat;
    animation: tileSlide 12s linear infinite;
}
.stage-row-set {
    display: flex;
    gap: 14px;
    flex-shrink: 0;
    padding-right: 14px;
}
/* 偶数行用独立反向 keyframe，避免 animation-direction:reverse 的循环跳变 */
.stage-row:nth-child(even) { animation-name: tileSlideReverse; }
/* 错开起始相位，覆盖自身阀术 */
.stage-row:nth-child(1) { animation-duration: 12s; animation-delay: 0s; }
.stage-row:nth-child(2) { animation-duration: 14s; animation-delay: -5.1s; }
.stage-row:nth-child(3) { animation-duration: 11s; animation-delay: -2.3s; }
.stage-row:nth-child(4) { animation-duration: 13s; animation-delay: -7.4s; }
.stage-row:nth-child(5) { animation-duration: 15s; animation-delay: -4.1s; }
.stage-row:nth-child(6) { animation-duration: 10s; animation-delay: -1.7s; }

.stage-tile {
    flex-shrink: 0;
    width: 200px;
    height: 120px;
    border-radius: 10px;
    overflow: hidden;
    contain: layout style;
}
.stage-tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


/* 噪点纹理 */
.bg-noise {
    position: absolute;
    inset: 0;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}
[data-theme="light"] .bg-noise { opacity: 0.04; }

/* 粒子 Canvas */
#particles {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.4;
}

/* ======================================
   页面容器
   ====================================== */
.page {
    position: relative;
    z-index: 2;
}

/* ======================================
   双栏布局
   ====================================== */
.layout {
    display: flex;
    position: relative;
    min-height: 100vh;
}
.main-area {
    flex: 1;
    min-width: 0;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

/* ======================================
   侧栏导航
   ====================================== */
.sidebar {
    position: sticky;
    top: 0;
    width: var(--sidebar-rail-width);
    flex-basis: var(--sidebar-rail-width);
    height: 100vh;
    flex-shrink: 0;
    margin: 0;
    padding: 0;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 10;
    scrollbar-width: none;
    border-right: 1px solid rgba(255,255,255,0.06);
    background: var(--bg);
    box-shadow: inset -1px 0 0 rgba(255,255,255,0.03);
    display: flex;
    flex-direction: column;
    isolation: isolate;
    opacity: 1;
    pointer-events: auto;
    transform: translate3d(0, 0, 0);
    transition:
        width 0.38s var(--ease),
        flex-basis 0.38s var(--ease),
        opacity 0.22s ease,
        transform 0.38s var(--ease),
        box-shadow 0.38s ease;
    will-change: width, transform, opacity;
    contain: layout style;
}
.sidebar.open {
    width: var(--sidebar-width);
    flex-basis: var(--sidebar-width);
    opacity: 1;
    pointer-events: auto;
    transform: translate3d(0, 0, 0);
}
.sidebar:not(.open) {
    border-right-color: rgba(255,255,255,0.055);
    box-shadow: inset -1px 0 0 rgba(255,255,255,0.03), 10px 0 32px -30px rgba(0,0,0,0.9);
}
.sidebar::before {
    content: '';
    position: absolute;
    inset: -30%;
    z-index: -2;
    background: inherit;
    pointer-events: none;
}
.sidebar::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0.25) 0%,
        rgba(0,0,0,0.12) 40%,
        rgba(0,0,0,0.35) 75%,
        rgba(8,8,20,0.95) 100%
    );
    pointer-events: none;
}
.stage.stage-bg ~ .page .sidebar,
.stage.fading ~ .page .sidebar,
.stage.flyaway ~ .page .sidebar {
    background: rgba(8,8,20,0.72);
    backdrop-filter: blur(18px) saturate(1.12);
    -webkit-backdrop-filter: blur(18px) saturate(1.12);
}
.stage.stage-bg ~ .page .sidebar::before,
.stage.fading ~ .page .sidebar::before,
.stage.flyaway ~ .page .sidebar::before {
    background: rgba(0,0,0,0.20);
}
[data-theme="light"] .sidebar {
    border-right-color: rgba(0,0,0,0.06);
    box-shadow: inset -1px 0 0 rgba(255,255,255,0.62);
}
[data-theme="light"] .sidebar::after {
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0.15) 0%,
        rgba(0,0,0,0.08) 40%,
        rgba(0,0,0,0.2) 70%,
        rgba(244,244,248,0.95) 100%
    );
}
[data-theme="light"] .stage.stage-bg ~ .page .sidebar::before,
[data-theme="light"] .stage.fading ~ .page .sidebar::before,
[data-theme="light"] .stage.flyaway ~ .page .sidebar::before {
    background: rgba(255,255,255,0.06);
}
[data-theme="light"] .stage.stage-bg ~ .page .sidebar,
[data-theme="light"] .stage.fading ~ .page .sidebar,
[data-theme="light"] .stage.flyaway ~ .page .sidebar {
    background: rgba(248,250,252,0.72);
}
.sidebar::-webkit-scrollbar { display: none; }

/* 侧栏品牌区 */
.sidebar-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 22px 16px 22px;
    background:
        linear-gradient(180deg, rgba(255,255,255,0.06) 0%, transparent 100%);
    position: relative;
}
.sidebar-brand::after {
    content: '';
    position: absolute;
    left: 20px;
    right: 20px;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.16), rgba(255,255,255,0.08), transparent);
}
[data-theme="light"] .sidebar-brand {
    background: linear-gradient(180deg, rgba(255,255,255,0.55) 0%, transparent 100%);
}
.sidebar-logo {
    flex-shrink: 0;
    width: 85px;
    height: 85px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 16px 34px rgba(124,92,252,0.18);
}
.sidebar-logo-fallback {
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at 30% 18%, rgba(94,234,212,0.30), transparent 36%),
        linear-gradient(135deg, rgba(124,92,252,0.20), rgba(94,234,212,0.09));
    box-shadow:
        0 16px 34px rgba(124,92,252,0.18),
        inset 0 1px 0 rgba(255,255,255,0.14);
}
[data-theme="light"] .sidebar-logo {
    box-shadow: 0 14px 30px rgba(124,92,252,0.10);
}
[data-theme="light"] .sidebar-logo-fallback {
    background:
        radial-gradient(circle at 30% 18%, rgba(20,184,166,0.18), transparent 38%),
        linear-gradient(135deg, rgba(124,92,252,0.13), rgba(20,184,166,0.06));
}
.sidebar-avatar-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 0;
    border-radius: 12px;
    background: transparent;
    color: inherit;
    cursor: pointer;
    flex-shrink: 0;
    transition: transform 0.22s var(--ease), filter 0.22s ease;
}
.sidebar-avatar-toggle:hover,
.sidebar-avatar-toggle:focus-visible {
    outline: none;
    transform: translateY(-1px) scale(1.02);
    filter: brightness(1.08);
}
.sidebar-avatar-toggle:focus-visible {
    box-shadow: 0 0 0 3px rgba(124,92,252,0.28);
}
.sidebar-title {
    max-width: 100%;
    font-weight: 760;
    font-size: 15px;
    color: var(--text-1);
    letter-spacing: -0.2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.sidebar:not(.open) .sidebar-brand {
    padding: 16px 10px 14px;
    gap: 8px;
}
.sidebar:not(.open) .sidebar-logo {
    width: 42px;
    height: 42px;
    border-radius: 10px;
}
.sidebar:not(.open) .sidebar-logo-fallback svg {
    width: 28px;
    height: 28px;
}
.sidebar:not(.open) .sidebar-title,
.sidebar:not(.open) .sidebar-count,
.sidebar:not(.open) .sidebar-footer {
    display: none;
}
.sidebar-close {
    display: none;
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
    background: rgba(0,0,0,0.22);
    color: rgba(255,255,255,0.78);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s var(--ease);
}
.sidebar-close:hover,
.sidebar-close:focus-visible {
    background: rgba(0,0,0,0.34);
    border-color: rgba(255,255,255,0.16);
    color: #fff;
    outline: none;
}
[data-theme="light"] .sidebar-close {
    background: rgba(255,255,255,0.62);
    border-color: rgba(15,23,42,0.08);
    color: #334155;
}
[data-theme="light"] .sidebar-close:hover,
[data-theme="light"] .sidebar-close:focus-visible {
    background: rgba(255,255,255,0.86);
    color: #0f172a;
}
.sidebar-section-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-3);
    padding: 14px 16px 6px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 16px 10px 0;
    flex: 1;
    overflow-y: auto;
    mask-image: linear-gradient(to bottom, transparent 0, #000 16px, #000 calc(100% - 18px), transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 16px, #000 calc(100% - 18px), transparent 100%);
}
.sidebar:not(.open) .sidebar-nav {
    padding: 12px 10px 0;
    align-items: center;
    gap: 8px;
}

/* 侧栏底部版权 */
.sidebar-footer {
    padding: 14px 18px 16px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
    background: linear-gradient(180deg, transparent, rgba(255,255,255,0.025));
}
.sidebar-footer p {
    font-size: 11px;
    color: var(--text-3);
    line-height: 1.5;
    margin: 0;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    border-radius: 8px;
    color: var(--text-2);
    font-size: 13px;
    font-weight: 560;
    transition: color 0.22s ease, background 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s var(--ease);
    text-decoration: none;
    position: relative;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border: 1px solid transparent;
}
.sidebar:not(.open) .sidebar-item {
    width: 48px;
    height: 48px;
    min-height: 48px;
    justify-content: center;
    padding: 6px;
    gap: 0;
    border-radius: 12px;
    overflow: visible;
}
.sidebar:not(.open) .sidebar-item:hover {
    transform: translateX(0) translateY(-1px);
}
.sidebar:not(.open) .sidebar-item::before {
    left: -10px;
    height: 42%;
}
.sidebar-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%) scaleY(0);
    width: 3px;
    height: 56%;
    border-radius: 0 999px 999px 0;
    background: var(--cat-color, var(--accent));
    box-shadow: 0 0 16px color-mix(in srgb, var(--cat-color, var(--accent)) 50%, transparent);
    transition: transform 0.25s var(--ease);
}
.sidebar-item::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(90deg, rgba(255,255,255,0.075), rgba(255,255,255,0.025) 72%);
    opacity: 0;
    transition: opacity 0.22s ease;
    pointer-events: none;
}
.sidebar-item:hover {
    color: var(--text-1);
    background: rgba(255,255,255,0.045);
    border-color: rgba(255,255,255,0.085);
    transform: translateX(3px);
}
.sidebar-item:hover::after {
    opacity: 1;
}
.sidebar-item:hover .sidebar-icon {
    transform: scale(1.06);
    border-color: color-mix(in srgb, var(--cat-color, var(--accent)) 30%, transparent);
    background: color-mix(in srgb, var(--cat-color, var(--accent)) 16%, rgba(255,255,255,0.06));
    box-shadow: 0 0 18px color-mix(in srgb, var(--cat-color, var(--accent)) 22%, transparent);
}
[data-theme="light"] .sidebar-item:hover {
    background: rgba(0,0,0,0.035);
    border-color: rgba(0,0,0,0.055);
}
.sidebar-item.active {
    color: var(--text-1);
    background:
        linear-gradient(90deg, rgba(255,255,255,0.095), rgba(255,255,255,0.045));
    border-color: rgba(255,255,255,0.12);
    font-weight: 680;
    box-shadow:
        0 14px 34px -24px rgba(0,0,0,0.58),
        inset 0 1px 0 rgba(255,255,255,0.08);
}
.sidebar-item.active::after {
    opacity: 1;
}
[data-theme="light"] .sidebar-item.active {
    color: var(--text-1);
    background: rgba(15,23,42,0.075);
    border-color: rgba(15,23,42,0.10);
}
.sidebar-item.active::before {
    transform: translateY(-50%) scaleY(1);
}

.sidebar-icon {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 15px;
    color: var(--cat-color, var(--accent));
    background: rgba(255,255,255,0.045);
    border: 1px solid rgba(255,255,255,0.065);
    border-radius: 8px;
    transition: background 0.22s ease, border-color 0.22s ease, transform 0.22s var(--ease), box-shadow 0.22s ease;
}
.sidebar-item.active .sidebar-icon {
    background: rgba(255,255,255,0.075);
    border-color: rgba(255,255,255,0.13);
    box-shadow:
        0 10px 22px -18px rgba(0,0,0,0.62),
        inset 0 1px 0 rgba(255,255,255,0.10);
}
[data-theme="light"] .sidebar-icon {
    background: rgba(0,0,0,0.035);
    border-color: rgba(0,0,0,0.055);
}
[data-theme="light"] .sidebar-item.active .sidebar-icon {
    background: rgba(15,23,42,0.08);
}
.sidebar-icon img {
    width: 18px;
    height: 18px;
    object-fit: contain;
    border-radius: 4px;
}
.sidebar-icon .iconfont {
    font-size: 16px;
    line-height: 1;
}

.sidebar-label {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    position: relative;
    z-index: 1;
}
.sidebar:not(.open) .sidebar-label {
    position: absolute;
    left: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%) translateX(-4px);
    z-index: 20;
    width: max-content;
    max-width: 180px;
    padding: 7px 10px;
    border-radius: 8px;
    background: rgba(12,12,24,0.92);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.10);
    box-shadow: 0 12px 28px rgba(0,0,0,0.28);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s var(--ease);
}
.sidebar:not(.open) .sidebar-item:hover .sidebar-label,
.sidebar:not(.open) .sidebar-item:focus-visible .sidebar-label {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}
[data-theme="light"] .sidebar:not(.open) .sidebar-label {
    background: rgba(255,255,255,0.96);
    color: #111827;
    border-color: rgba(15,23,42,0.08);
    box-shadow: 0 12px 28px rgba(15,23,42,0.14);
}

.sidebar-count {
    min-width: 24px;
    height: 22px;
    padding: 0 8px;
    border-radius: 999px;
    font-size: 11px;
    line-height: 21px;
    text-align: center;
    color: var(--text-3);
    background: rgba(255,255,255,0.045);
    border: 1px solid rgba(255,255,255,0.055);
    flex-shrink: 0;
    transition: color 0.2s, background 0.2s, border-color 0.2s;
    position: relative;
    z-index: 1;
}
.sidebar-item:hover .sidebar-count,
.sidebar-item.active .sidebar-count {
    color: var(--text-1);
    background: rgba(255,255,255,0.075);
    border-color: rgba(255,255,255,0.13);
}

/* 侧栏切换按钮（全端统一入口） */
.sidebar-toggle {
    display: flex;
    position: static;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: none;
    background: rgba(0,0,0,0.35);
    color: #fff;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 14px 34px rgba(0,0,0,0.18);
    backdrop-filter: blur(14px) saturate(1.22);
    -webkit-backdrop-filter: blur(14px) saturate(1.22);
    transition: background 0.2s, color 0.2s, transform 0.26s var(--ease), box-shadow 0.26s ease;
    touch-action: manipulation;
}
.sidebar-toggle:hover {
    background: rgba(0,0,0,0.55);
    transform: scale(1.08);
}
.sidebar-toggle:focus-visible {
    outline: 2px solid rgba(255,255,255,0.62);
    outline-offset: 3px;
}
.sidebar-toggle.active {
    background: rgba(0,0,0,0.52);
    color: #fff;
}
[data-theme="light"] .sidebar-toggle {
    background: rgba(255,255,255,0.7);
    color: var(--text-2);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
[data-theme="light"] .sidebar-toggle:hover {
    background: rgba(255,255,255,0.9);
    color: var(--text-1);
}

/* 移动端侧栏遮罩（JS动态创建，挂在body下覆盖全部） */
.sidebar-backdrop {
    position: fixed;
    inset: 0;
    z-index: 190;
    background: rgba(0,0,0,0.36);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    will-change: opacity;
    cursor: pointer;
}
.sidebar-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

/* ======================================
   顶部导航栏（已移除，保留兼容）
   ====================================== */
.topbar { display: none; }

/* ======================================
   移动端固定顶栏
   ====================================== */
.mobile-topbar {
    display: none;
    align-items: center;
    position: fixed;
    top: 14px;
    left: 14px;
    z-index: 240;
    padding: 0;
    gap: 10px;
    pointer-events: none;
    transition: transform 0.38s var(--ease), opacity 0.22s ease;
    will-change: transform;
}
.mobile-topbar > * {
    pointer-events: auto;
}
.mobile-topbar.sidebar-open {
    transform: translateX(calc(var(--sidebar-width) + 10px));
}
.mobile-topbar.sidebar-open .sidebar-toggle {
    background: rgba(0,0,0,0.52);
    color: #fff;
    box-shadow: 0 16px 36px rgba(0,0,0,0.28);
}

/* ======================================
   浮动操作按钮
   ====================================== */
.floating-actions {
    position: fixed;
    top: 14px;
    right: 18px;
    z-index: 150;
    display: flex;
    align-items: center;
    gap: 2px;
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(12px) saturate(1.2);
    -webkit-backdrop-filter: blur(12px) saturate(1.2);
    border-radius: 14px;
    padding: 4px;
    border: 1px solid rgba(255,255,255,0.06);
    transition: opacity 0.22s ease, transform 0.22s var(--ease);
}
.floating-actions.sidebar-open {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
}
[data-theme="light"] .floating-actions {
    background: rgba(255,255,255,0.65);
    border-color: rgba(0,0,0,0.06);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.fab-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: rgba(255,255,255,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    text-decoration: none;
}
.fab-btn:hover {
    background: rgba(255,255,255,0.12);
    color: #fff;
}
[data-theme="light"] .fab-btn {
    color: var(--text-2);
}
[data-theme="light"] .fab-btn:hover {
    background: rgba(0,0,0,0.06);
    color: var(--text-1);
}

/* 主题切换图标 */
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: block; }
[data-theme="light"] .icon-sun { display: block; }
[data-theme="light"] .icon-moon { display: none; }

/* ======================================
   搜索弹窗
   ====================================== */
.search-modal {
    position: fixed;
    inset: 0;
    z-index: 999;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 20vh;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s, visibility 0.25s;
}
.search-modal.open {
    opacity: 1;
    visibility: visible;
}

.search-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px) saturate(1.5);
    -webkit-backdrop-filter: blur(8px) saturate(1.5);
}
[data-theme="light"] .search-backdrop {
    background: rgba(0,0,0,0.25);
}

.search-dialog {
    position: relative;
    width: 560px;
    max-width: 92vw;
    background: rgba(18,18,32,0.95);
    border: 1px solid var(--border-hover);
    border-radius: 14px;
    overflow: hidden;
    box-shadow:
        0 24px 80px rgba(0,0,0,0.5),
        0 0 0 1px rgba(255,255,255,0.05) inset;
    transform: translateY(-16px) scale(0.97);
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.25s ease-out;
    opacity: 0;
}
[data-theme="light"] .search-dialog {
    background: rgba(255,255,255,0.97);
    box-shadow:
        0 24px 80px rgba(0,0,0,0.12),
        0 0 0 1px rgba(0,0,0,0.04) inset;
}
.search-modal.open .search-dialog {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.search-input-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    color: var(--text-2);
}
.search-input-wrap input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-1);
    font-size: 16px;
    font-family: var(--font);
    outline: none;
}
.search-input-wrap input::placeholder { color: var(--text-3); }
.search-input-wrap kbd {
    font-family: var(--font);
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 6px;
    border: 1px solid var(--border);
    color: var(--text-3);
    cursor: pointer;
    transition: color 0.2s;
}
.search-input-wrap kbd:hover { color: var(--text-1); }

.search-results {
    max-height: 320px;
    overflow-y: auto;
    padding: 8px;
}
.search-results:empty::after {
    content: '输入关键词开始搜索';
    display: block;
    padding: 24px;
    text-align: center;
    color: var(--text-3);
    font-size: 14px;
}
.search-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    transition: background 0.15s;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}
.search-item:hover { background: var(--surface); }
.search-item .si-icon { font-size: 16px; color: var(--text-3); width: 20px; text-align: center; }
.search-item .si-text { flex: 1; }
.search-item .si-title { font-size: 14px; font-weight: 500; }
.search-item .si-desc { font-size: 12px; color: var(--text-3); }
.search-item .si-arrow { color: var(--text-3); }

.search-no-result {
    padding: 32px;
    text-align: center;
    color: var(--text-3);
    font-size: 14px;
}

/* ======================================
   Hero 区域（全宽填充式）
   ====================================== */
.hero {
    position: relative;
    min-height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0;
    background: #0a0a14;
}
.hero.engine-open {
    overflow: visible;
    z-index: 8;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0.25) 0%,
        rgba(0,0,0,0.12) 40%,
        rgba(0,0,0,0.35) 75%,
        rgba(8,8,20,0.95) 100%
    );
    pointer-events: none;
}
[data-theme="light"] .hero::before {
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0.15) 0%,
        rgba(0,0,0,0.08) 40%,
        rgba(0,0,0,0.2) 70%,
        rgba(244,244,248,0.95) 100%
    );
}
/* 视频背景 */
.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 1;
    transform: scale(1.02) translateZ(0);
    will-change: transform;
}
/* 缓冲加载指示 */
.hero.video-buffering::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 28px;
    height: 28px;
    margin: -14px 0 0 -14px;
    border: 2px solid rgba(255,255,255,0.2);
    border-top-color: rgba(255,255,255,0.8);
    border-radius: 50%;
    z-index: 5;
    animation: bufferSpin 0.7s linear infinite;
}
@keyframes bufferSpin {
    to { transform: rotate(360deg); }
}
/* Hero 内容覆盖层 */
.hero-overlay {
    --hero-text-progress: 0;
    position: relative;
    z-index: 3;
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    padding: clamp(36px, 6vw, 64px) 24px clamp(28px, 4vw, 44px);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
}
.hero-clock {
    min-width: min(360px, calc(100vw - 48px));
    padding: 4px 0 2px;
    opacity: calc(1 - var(--hero-text-progress));
    transform: translateY(calc(-16px * var(--hero-text-progress))) scale(calc(1 - 0.06 * var(--hero-text-progress)));
    filter: blur(calc(3px * var(--hero-text-progress)));
    transition: opacity 0.08s linear, transform 0.08s linear, filter 0.08s linear;
    will-change: opacity, transform, filter;
}
.hero-clock-main {
    font-size: 60px;
    font-weight: 760;
    line-height: 0.96;
    letter-spacing: 0;
    color: #fff;
    font-variant-numeric: tabular-nums;
    text-shadow: 0 4px 24px rgba(0,0,0,0.46);
}
.hero-clock-sub {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 10px;
    padding: 5px 10px;
    border-radius: 999px;
    color: rgba(255,255,255,0.82);
    background: rgba(0,0,0,0.20);
    border: 1px solid rgba(255,255,255,0.10);
    backdrop-filter: blur(14px) saturate(1.18);
    -webkit-backdrop-filter: blur(14px) saturate(1.18);
    font-size: 12px;
    line-height: 1.2;
    text-shadow: 0 1px 8px rgba(0,0,0,0.34);
}
.hero-clock-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: rgba(94,234,212,0.82);
    box-shadow: 0 0 12px rgba(94,234,212,0.42);
}
.hero-system-row {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 10px;
}
.hero-system-row span {
    padding: 4px 9px;
    border-radius: 999px;
    color: rgba(255,255,255,0.70);
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.08);
    font-size: 11px;
    line-height: 1.2;
    backdrop-filter: blur(10px) saturate(1.1);
    -webkit-backdrop-filter: blur(10px) saturate(1.1);
}
[data-theme="light"] .hero-clock-main {
    color: #fff;
    text-shadow: 0 4px 22px rgba(15,23,42,0.40);
}
[data-theme="light"] .hero-clock-sub {
    color: rgba(15,23,42,0.72);
    background: rgba(255,255,255,0.64);
    border-color: rgba(15,23,42,0.08);
    text-shadow: 0 1px 0 rgba(255,255,255,0.56);
}
[data-theme="light"] .hero-system-row span {
    color: rgba(15,23,42,0.62);
    background: rgba(255,255,255,0.54);
    border-color: rgba(15,23,42,0.06);
}
/* 静音按钮 */
.hero-mute-btn {
    position: absolute;
    bottom: 12px;
    left: 12px;
    z-index: 5;
    background: rgba(0,0,0,0.45);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    color: #fff;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}
.hero-mute-btn:hover { opacity: 1; }
.hero-mute-btn .icon-unmuted,
#heroMuteBtn .icon-unmuted { display: none; }
.hero-mute-btn.unmuted .icon-muted,
#heroMuteBtn.unmuted .icon-muted { display: none; }
.hero-mute-btn.unmuted .icon-unmuted,
#heroMuteBtn.unmuted .icon-unmuted { display: block; }

/* Hero 搜索框 */
.hero-search-anchor {
    width: 100%;
    height: 52px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero-search {
    --dock-progress: 0;
    --search-width: 560px;
    --search-scale: 1;
    --search-pad-y: 12px;
    --search-pad-x: 18px;
    --search-x: 0px;
    --search-y: 0px;
    display: flex;
    align-items: center;
    gap: 10px;
    width: var(--search-width);
    max-width: calc(100vw - 24px);
    padding: var(--search-pad-y) var(--search-pad-x);
    border-radius: 18px;
    background: rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.08);
    backdrop-filter: blur(16px) saturate(1.3);
    -webkit-backdrop-filter: blur(16px) saturate(1.3);
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    box-shadow: none;
    position: relative;
    z-index: 180;
    align-self: center;
    transform: none;
    transform-origin: left top;
    will-change: transform, width, padding;
}
.hero-search.engine-open {
    z-index: 360;
    border-color: rgba(255,255,255,0.18);
    background: rgba(0,0,0,0.34);
    box-shadow: 0 16px 44px rgba(0,0,0,0.22);
}
.hero-search-engine,
.hero-search-submit {
    min-width: 36px;
    height: 32px;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 11px;
    background: rgba(255,255,255,0.055);
    color: rgba(255,255,255,0.72);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    cursor: pointer;
    font-family: var(--font);
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, transform 0.2s var(--ease);
}
.hero-search-engine {
    gap: 7px;
    padding: 0 10px;
    min-width: 72px;
    justify-content: flex-start;
    font-size: 12px;
    font-weight: 680;
}
.hero-search-engine::after {
    content: '';
    width: 6px;
    height: 6px;
    margin-left: auto;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    opacity: 0.62;
    transform: rotate(45deg) translateY(-1px);
    transition: transform 0.18s var(--ease), opacity 0.18s ease;
}
.hero-search.engine-open .hero-search-engine::after {
    opacity: 0.9;
    transform: rotate(225deg) translateY(-1px);
}
.hero-search-engine:hover,
.hero-search-engine:focus-visible,
.hero-search-submit:hover,
.hero-search-submit:focus-visible {
    color: #fff;
    background: rgba(255,255,255,0.09);
    border-color: rgba(255,255,255,0.16);
    outline: none;
    transform: translateY(-1px);
}
.hero-search-engine-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--engine-color, var(--accent));
    box-shadow: 0 0 12px color-mix(in srgb, var(--engine-color, var(--accent)) 46%, transparent);
}
.search-engine-popover {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    z-index: 220;
    width: min(320px, calc(100vw - 32px));
    padding: 9px;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 7px;
    border-radius: 14px;
    background: rgba(12,12,24,0.92);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 14px 34px rgba(0,0,0,0.24);
    backdrop-filter: blur(18px) saturate(1.14);
    -webkit-backdrop-filter: blur(18px) saturate(1.14);
    opacity: 0;
    transform: translate(-50%, -6px) scale(0.98);
    transform-origin: top center;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s var(--ease);
}
.search-engine-popover.open {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
    pointer-events: auto;
}
.search-engine-option {
    min-height: 34px;
    padding: 7px 8px;
    border: 1px solid transparent;
    border-radius: 10px;
    background: transparent;
    color: rgba(255,255,255,0.74);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font);
    font-size: 11.5px;
    font-weight: 650;
    cursor: pointer;
    text-align: center;
    justify-content: center;
}
.search-engine-option span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--engine-color, var(--accent));
}
.search-engine-option:hover,
.search-engine-option.active {
    color: #fff;
    background: color-mix(in srgb, var(--engine-color, var(--accent)) 12%, rgba(255,255,255,0.04));
    border-color: color-mix(in srgb, var(--engine-color, var(--accent)) 22%, rgba(255,255,255,0.07));
}
.hero-engine-chips {
    display: none;
    justify-content: center;
    gap: 7px;
    flex-wrap: wrap;
    max-width: 680px;
}
.hero-engine-chip {
    min-height: 28px;
    padding: 5px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(0,0,0,0.14);
    color: rgba(255,255,255,0.66);
    font-family: var(--font);
    font-size: 11px;
    font-weight: 650;
    cursor: pointer;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, transform 0.2s var(--ease);
}
.hero-engine-chip:hover,
.hero-engine-chip.active {
    color: #fff;
    background: color-mix(in srgb, var(--engine-color, var(--accent)) 13%, rgba(0,0,0,0.16));
    border-color: color-mix(in srgb, var(--engine-color, var(--accent)) 28%, rgba(255,255,255,0.10));
    transform: translateY(-1px);
}
.hero-search.is-floating {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 300;
    width: var(--search-width);
    transform: translate3d(var(--search-x), var(--search-y), 0) scale(var(--search-scale));
}
.hero-search.is-floating.engine-open {
    z-index: 420;
}
.hero-search.is-docked {
    background: rgba(0,0,0,0.42);
    border-color: rgba(255,255,255,0.16);
    box-shadow: 0 8px 28px rgba(0,0,0,0.24);
    border-radius: 16px;
}
.hero-search.mobile-docked {
    height: 38px;
    min-height: 38px;
    border-radius: 16px;
    background: rgba(0,0,0,0.30);
    border-color: rgba(255,255,255,0.06);
    box-shadow: none;
    backdrop-filter: blur(12px) saturate(1.2);
    -webkit-backdrop-filter: blur(12px) saturate(1.2);
}
[data-theme="light"] .hero-search.mobile-docked {
    background: rgba(255,255,255,0.65);
    border-color: rgba(0,0,0,0.06);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.hero-search:focus-within {
    border-color: rgba(255,255,255,0.25);
    box-shadow: 0 4px 32px rgba(0,0,0,0.2);
    background: rgba(0,0,0,0.4);
}
[data-theme="light"] .hero-search {
    background: rgba(255,255,255,0.65);
    border-color: rgba(0,0,0,0.06);
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}
[data-theme="light"] .hero-search.engine-open {
    background: rgba(255,255,255,0.88);
    border-color: rgba(15,23,42,0.12);
    box-shadow: 0 16px 40px rgba(15,23,42,0.13);
}
[data-theme="light"] .hero-search-engine,
[data-theme="light"] .hero-search-submit {
    color: rgba(15,23,42,0.66);
    background: rgba(255,255,255,0.58);
    border-color: rgba(15,23,42,0.06);
}
[data-theme="light"] .hero-search-engine:hover,
[data-theme="light"] .hero-search-engine:focus-visible,
[data-theme="light"] .hero-search-submit:hover,
[data-theme="light"] .hero-search-submit:focus-visible {
    color: #111827;
    background: rgba(255,255,255,0.82);
    border-color: rgba(15,23,42,0.10);
}
[data-theme="light"] .search-engine-popover {
    background: rgba(255,255,255,0.96);
    border-color: rgba(15,23,42,0.08);
    box-shadow: 0 18px 40px rgba(15,23,42,0.15);
}
[data-theme="light"] .search-engine-option {
    color: rgba(15,23,42,0.66);
}
[data-theme="light"] .search-engine-option:hover,
[data-theme="light"] .search-engine-option.active {
    color: #111827;
    background: color-mix(in srgb, var(--engine-color, var(--accent)) 10%, rgba(255,255,255,0.62));
    border-color: color-mix(in srgb, var(--engine-color, var(--accent)) 18%, rgba(15,23,42,0.07));
}
[data-theme="light"] .hero-engine-chip {
    color: rgba(15,23,42,0.62);
    background: rgba(255,255,255,0.54);
    border-color: rgba(15,23,42,0.07);
}
[data-theme="light"] .hero-engine-chip:hover,
[data-theme="light"] .hero-engine-chip.active {
    color: #111827;
    background: color-mix(in srgb, var(--engine-color, var(--accent)) 10%, rgba(255,255,255,0.72));
    border-color: color-mix(in srgb, var(--engine-color, var(--accent)) 18%, rgba(15,23,42,0.08));
}
[data-theme="light"] .hero-search:focus-within {
    background: rgba(255,255,255,0.85);
    border-color: rgba(0,0,0,0.1);
    box-shadow: 0 4px 32px rgba(0,0,0,0.08);
}
[data-theme="light"] .hero-search.is-docked {
    background: rgba(255,255,255,0.88);
    border-color: rgba(0,0,0,0.12);
    box-shadow: 0 8px 28px rgba(0,0,0,0.10);
}
.hero-search-icon {
    color: rgba(255,255,255,0.6);
    flex-shrink: 0;
}
[data-theme="light"] .hero-search-icon {
    color: var(--text-3);
}
.hero-search-input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    font-size: 15px;
    color: #fff;
    font-family: var(--font);
    min-width: 0;
}
.hero-search.mobile-docked .hero-search-input {
    font-size: 13px;
}
[data-theme="light"] .hero-search-input {
    color: var(--text-1);
}
.hero-search-input::placeholder {
    color: rgba(255,255,255,0.45);
}
[data-theme="light"] .hero-search-input::placeholder {
    color: var(--text-3);
}
.hero-search-kbd {
    font-family: var(--font);
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.5);
    flex-shrink: 0;
}
[data-theme="light"] .hero-search-kbd {
    border-color: rgba(0,0,0,0.08);
    background: rgba(0,0,0,0.04);
    color: var(--text-3);
}
.hero-search.is-docked .hero-search-kbd {
    opacity: 0;
    width: 0;
    padding-left: 0;
    padding-right: 0;
    border-width: 0;
    overflow: hidden;
}
.hero-category-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    row-gap: 9px;
    flex-wrap: wrap;
    max-width: 720px;
    margin-top: 11px;
}
.hero-category-tab {
    min-height: 34px;
    padding: 7px 12px;
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--cat-color, var(--accent)) 26%, rgba(255,255,255,0.10));
    background:
        linear-gradient(180deg, rgba(255,255,255,0.075), rgba(255,255,255,0.028)),
        color-mix(in srgb, var(--cat-color, var(--accent)) 14%, rgba(0,0,0,0.18));
    color: rgba(255,255,255,0.82);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font);
    font-size: 12px;
    font-weight: 620;
    cursor: pointer;
    backdrop-filter: blur(12px) saturate(1.15);
    -webkit-backdrop-filter: blur(12px) saturate(1.15);
    box-shadow:
        0 8px 20px -18px color-mix(in srgb, var(--cat-color, var(--accent)) 58%, rgba(0,0,0,0.72)),
        inset 0 1px 0 rgba(255,255,255,0.10);
    transition: transform 0.2s var(--ease), color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.hero-category-tab:hover,
.hero-category-tab:focus-visible,
.hero-category-tab.active {
    color: #fff;
    background:
        linear-gradient(180deg, rgba(255,255,255,0.11), rgba(255,255,255,0.04)),
        color-mix(in srgb, var(--cat-color, var(--accent)) 22%, rgba(0,0,0,0.22));
    border-color: color-mix(in srgb, var(--cat-color, var(--accent)) 42%, rgba(255,255,255,0.15));
    box-shadow:
        0 10px 24px -18px color-mix(in srgb, var(--cat-color, var(--accent)) 72%, rgba(0,0,0,0.70)),
        inset 0 1px 0 rgba(255,255,255,0.13);
    outline: none;
    transform: translateY(-1px);
}
.hero-category-tab span {
    display: inline-flex;
    width: 18px;
    height: 18px;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    color: var(--cat-color, var(--accent));
    background: color-mix(in srgb, var(--cat-color, var(--accent)) 18%, rgba(255,255,255,0.08));
    border: 1px solid color-mix(in srgb, var(--cat-color, var(--accent)) 24%, transparent);
}
.hero-search-note {
    max-width: 620px;
    color: rgba(255,255,255,0.58);
    font-size: 12px;
    line-height: 1.5;
    text-shadow: 0 1px 10px rgba(0,0,0,0.3);
}
[data-theme="light"] .hero-category-tab {
    color: rgba(15,23,42,0.70);
    background:
        linear-gradient(180deg, rgba(255,255,255,0.78), rgba(255,255,255,0.56)),
        color-mix(in srgb, var(--cat-color, var(--accent)) 12%, rgba(255,255,255,0.74));
    border-color: color-mix(in srgb, var(--cat-color, var(--accent)) 22%, rgba(15,23,42,0.08));
    box-shadow:
        0 8px 18px -18px color-mix(in srgb, var(--cat-color, var(--accent)) 46%, rgba(15,23,42,0.22)),
        inset 0 1px 0 rgba(255,255,255,0.70);
}
[data-theme="light"] .hero-category-tab:hover,
[data-theme="light"] .hero-category-tab:focus-visible,
[data-theme="light"] .hero-category-tab.active {
    color: #111827;
    background:
        linear-gradient(180deg, rgba(255,255,255,0.88), rgba(255,255,255,0.66)),
        color-mix(in srgb, var(--cat-color, var(--accent)) 18%, rgba(255,255,255,0.82));
    border-color: color-mix(in srgb, var(--cat-color, var(--accent)) 34%, rgba(15,23,42,0.10));
}
[data-theme="light"] .hero-category-tab span {
    background: color-mix(in srgb, var(--cat-color, var(--accent)) 16%, rgba(255,255,255,0.72));
    border-color: color-mix(in srgb, var(--cat-color, var(--accent)) 22%, rgba(15,23,42,0.05));
}
[data-theme="light"] .hero-search-note {
    color: rgba(15,23,42,0.58);
    text-shadow: 0 1px 0 rgba(255,255,255,0.45);
}

.home-hotline {
    width: min(var(--content-max), calc(100% - 40px));
    margin: -18px auto 24px;
    position: relative;
    z-index: 4;
    padding: 12px;
    border-radius: 14px;
    background: rgba(14,14,28,0.72);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 20px 48px -36px rgba(0,0,0,0.72);
    backdrop-filter: blur(18px) saturate(1.18);
    -webkit-backdrop-filter: blur(18px) saturate(1.18);
}
.home-hotline::after {
    display: none;
}
.home-hotline-head {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 4px 10px;
    color: var(--text-2);
    font-size: 12px;
}
.home-hotline-head strong {
    color: var(--text-1);
    font-size: 13px;
}
.home-hotline-head span:last-child {
    margin-left: auto;
    color: var(--text-3);
}
.home-hotline-icon {
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: #fb7185;
    background: rgba(244,63,94,0.12);
}
.home-hotline-track {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(156px, 1fr));
    gap: 12px;
}
.hot-link {
    position: relative;
    min-height: 58px;
    padding: 9px 44px 9px 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-radius: 10px;
    background: rgba(255,255,255,0.045);
    border: 1px solid rgba(255,255,255,0.055);
    color: var(--text-1);
    text-decoration: none;
    overflow: hidden;
    transition: transform 0.2s var(--ease), background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.hot-link:hover {
    transform: translateY(-1px);
    background: color-mix(in srgb, var(--cat-color, var(--accent)) 12%, rgba(255,255,255,0.052));
    border-color: color-mix(in srgb, var(--cat-color, var(--accent)) 24%, rgba(255,255,255,0.08));
    box-shadow: 0 10px 24px -22px color-mix(in srgb, var(--cat-color, var(--accent)) 45%, rgba(0,0,0,0.55));
}
.hot-link-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.07);
    overflow: hidden;
}
.hot-link-text {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.hot-link-text strong,
.hot-link-text small {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.hot-link-text strong {
    font-size: 12.5px;
    font-weight: 680;
}
.hot-link-text small {
    color: var(--text-3);
    font-size: 11px;
}
.hot-link-clicks {
    position: absolute;
    top: 8px;
    right: 9px;
    max-width: 34px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    border-radius: 999px;
    color: color-mix(in srgb, var(--cat-color, var(--accent)) 55%, rgba(255,255,255,0.52));
    background: transparent;
    border: 0;
    font-size: 10px;
    font-weight: 650;
    line-height: 1.2;
    opacity: 0.72;
}
[data-theme="light"] .home-hotline {
    background: rgba(255,255,255,0.74);
    border-color: rgba(15,23,42,0.08);
    box-shadow: 0 18px 40px -34px rgba(15,23,42,0.24);
}
[data-theme="light"] .hot-link {
    background: rgba(255,255,255,0.76);
    border-color: rgba(15,23,42,0.07);
}
[data-theme="light"] .hot-link:hover {
    background: color-mix(in srgb, var(--cat-color, var(--accent)) 9%, rgba(255,255,255,0.86));
    border-color: color-mix(in srgb, var(--cat-color, var(--accent)) 18%, rgba(15,23,42,0.08));
    box-shadow: 0 10px 22px -20px rgba(15,23,42,0.26);
}
[data-theme="light"] .hot-link-clicks {
    color: color-mix(in srgb, var(--cat-color, var(--accent)) 58%, #64748b);
}

@media (max-width: 768px) {
    .hero-search-anchor {
        justify-content: center;
        padding-left: 0;
    }
    .hero-search {
        max-width: none;
        transform-origin: left center;
        background: rgba(0,0,0, calc(0.20 + 0.22 * var(--dock-progress)));
        border-color: rgba(255,255,255, calc(0.08 + 0.08 * var(--dock-progress)));
        box-shadow: 0 calc(4px * var(--dock-progress)) calc(22px * var(--dock-progress)) rgba(0,0,0,0.22);
        transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    }
    [data-theme="light"] .hero-search {
        background: rgba(255,255,255, calc(0.65 + 0.22 * var(--dock-progress)));
        border-color: rgba(0,0,0, calc(0.06 + 0.06 * var(--dock-progress)));
        box-shadow: 0 calc(4px * var(--dock-progress)) calc(18px * var(--dock-progress)) rgba(0,0,0,0.10);
    }
}

@media (max-width: 480px) {
    .hero-search-anchor { padding-left: 0; }
    .hero-search {
        gap: 8px;
    }
    .hero-search-input { font-size: 14px; }
}

/* Hero 统计信息 */
.hero-stats-inline {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    text-align: center;
}
.hero-stats-inline strong {
    color: rgba(255,255,255,0.75);
    font-weight: 600;
}
[data-theme="light"] .hero-stats-inline {
    color: var(--text-3);
}
[data-theme="light"] .hero-stats-inline strong {
    color: var(--text-2);
}

@media (max-width: 640px) {
    .hero { min-height: 244px; border-radius: 0; }
    .hero-overlay { padding: 46px 16px 26px; max-width: 100%; gap: 12px; transform: translateY(-36px); }
    .hero-clock {
        min-width: 0;
        width: 100%;
    }
    .hero-clock-main {
        font-size: 52px;
    }
    .hero-clock-sub {
        margin-top: 8px;
        padding: 5px 9px;
        font-size: 11.5px;
    }
    .hero-system-row {
        margin-top: 8px;
        gap: 6px;
    }
    .hero-system-row span {
        padding: 4px 8px;
        font-size: 10.5px;
    }
    .hero-search { padding: 10px 14px; border-radius: 24px; }
    .hero-search-kbd { display: none; }
    .hero-mute-btn { bottom: 8px; left: 8px; }
}

@media (max-width: 420px) {
    .hero-clock-main {
        font-size: 46px;
    }
}

/* ======================================
   内容区
   ====================================== */
.content {
    flex: 1;
    min-width: 0;
    padding: clamp(22px, 3vw, 30px) clamp(16px, 2.5vw, 28px) clamp(24px, 4vw, 48px);
    background: rgba(8,8,20,0.55);
    backdrop-filter: blur(1px);
    -webkit-backdrop-filter: blur(1px);
    position: relative;
    z-index: 4;
    border-radius: 18px 18px 0 0;
    margin-top: 0;
    display: flex;
    flex-direction: column;
}
[data-theme="light"] .content {
    background: rgba(246,246,250,0.65);
}
.content-shell {
    width: min(var(--content-max), 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 288px;
    gap: 20px;
    align-items: start;
}
.section-stack {
    min-width: 0;
}
.home-sidepanel {
    position: sticky;
    top: 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.side-card {
    --side-accent: var(--accent);
    border-radius: 12px;
    padding: 12px;
    background:
        linear-gradient(145deg, color-mix(in srgb, var(--side-accent) 7%, rgba(255,255,255,0.035)), rgba(16,16,30,0.48) 58%),
        rgba(16,16,30,0.50);
    border: 1px solid rgba(255,255,255,0.055);
    box-shadow: 0 14px 34px -32px rgba(0,0,0,0.66);
    backdrop-filter: blur(12px) saturate(1.05);
    -webkit-backdrop-filter: blur(12px) saturate(1.05);
}
.home-sidepanel .side-card:nth-child(1) {
    --side-accent: #5eead4;
}
.home-sidepanel .side-card:nth-child(2) {
    --side-accent: #60a5fa;
}
.home-sidepanel .side-card:nth-child(3) {
    --side-accent: #f472b6;
}
.side-card-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}
.side-card-head span {
    color: var(--text-1);
    font-size: 13px;
    font-weight: 720;
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.side-card-head span::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--side-accent);
    box-shadow: 0 0 14px color-mix(in srgb, var(--side-accent) 42%, transparent);
}
.side-card-head small {
    color: var(--text-3);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.overview-grid div {
    min-height: 68px;
    border-radius: 10px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background:
        radial-gradient(circle at 18% 18%, color-mix(in srgb, var(--side-accent) 13%, transparent), transparent 42%),
        rgba(255,255,255,0.035);
    border: 1px solid color-mix(in srgb, var(--side-accent) 12%, rgba(255,255,255,0.055));
}
.overview-grid strong {
    color: var(--text-1);
    font-size: 24px;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}
.overview-grid span {
    margin-top: 8px;
    color: var(--text-3);
    font-size: 12px;
}
.side-link-list,
.spotlight-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.side-link-list a,
.spotlight-list a {
    min-height: 40px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px;
    border-radius: 9px;
    color: var(--text-2);
    text-decoration: none;
    transition: color 0.2s ease, background 0.2s ease, transform 0.2s var(--ease);
}
.side-link-list a:hover,
.spotlight-list a:hover {
    color: var(--text-1);
    background: color-mix(in srgb, var(--side-accent) 8%, rgba(255,255,255,0.035));
    transform: translateX(2px);
}
.side-link-icon {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: rgba(255,255,255,0.045);
    border: 1px solid rgba(255,255,255,0.055);
    overflow: hidden;
}
.side-link-list a > span:last-child {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.side-link-list strong,
.side-link-list small {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.side-link-list strong {
    color: var(--text-1);
    font-size: 12.5px;
}
.side-link-list small {
    color: var(--text-3);
    font-size: 11px;
}
.spotlight-list em {
    width: 20px;
    height: 20px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--side-accent);
    background: color-mix(in srgb, var(--side-accent) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--side-accent) 18%, transparent);
    font-style: normal;
    font-size: 11px;
    font-weight: 760;
}
.spotlight-list span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 12.5px;
}
[data-theme="light"] .side-card {
    background:
        linear-gradient(145deg, color-mix(in srgb, var(--side-accent) 8%, rgba(255,255,255,0.72)), rgba(255,255,255,0.68) 58%),
        rgba(255,255,255,0.68);
    border-color: rgba(15,23,42,0.065);
    box-shadow: 0 14px 30px -30px rgba(15,23,42,0.20);
}
[data-theme="light"] .overview-grid div,
[data-theme="light"] .side-link-icon {
    background: rgba(255,255,255,0.52);
    border-color: color-mix(in srgb, var(--side-accent) 14%, rgba(15,23,42,0.055));
}
[data-theme="light"] .side-link-list a:hover,
[data-theme="light"] .spotlight-list a:hover {
    background: color-mix(in srgb, var(--side-accent) 7%, rgba(15,23,42,0.035));
}

@media (min-width: 1440px) {
    .home-hotline {
        width: min(var(--content-max), calc(100% - 72px));
        margin-top: -16px;
        margin-bottom: 24px;
        padding: 12px 14px;
    }
    .home-hotline-track {
        grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
        gap: 12px;
    }
    .content-shell {
        grid-template-columns: minmax(0, 1fr) 304px;
        gap: 24px;
    }
    .grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }
    .home-sidepanel {
        top: 20px;
    }
}

@media (max-width: 1180px) {
    .content-shell {
        grid-template-columns: 1fr;
    }
    .home-sidepanel {
        position: static;
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        align-items: start;
        gap: 0;
        margin-top: 2px;
        padding: 12px;
        border-radius: 16px;
        background: rgba(16,16,32,0.64);
        border: 1px solid rgba(255,255,255,0.075);
        box-shadow: 0 18px 42px -36px rgba(0,0,0,0.68);
        backdrop-filter: blur(18px) saturate(1.08);
        -webkit-backdrop-filter: blur(18px) saturate(1.08);
    }
    .side-card {
        min-width: 0;
        min-height: 0;
        padding: 10px 14px;
        border-radius: 10px;
        background: transparent;
        border: 0;
        box-shadow: none;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }
    .side-card + .side-card {
        border-left: 1px solid rgba(255,255,255,0.08);
    }
    .side-card-head {
        margin-bottom: 10px;
    }
    .overview-grid {
        gap: 8px;
    }
    .overview-grid div {
        min-height: 62px;
        padding: 10px;
    }
    .overview-grid strong {
        font-size: 22px;
    }
    .side-link-list,
    .spotlight-list {
        gap: 6px;
    }
    .side-link-list a,
    .spotlight-list a {
        min-height: 38px;
        padding: 6px;
    }
    .side-link-icon {
        width: 28px;
        height: 28px;
        border-radius: 8px;
    }
    .side-link-list a:nth-child(n+4),
    .spotlight-list a:nth-child(n+4) {
        display: none;
    }
    [data-theme="light"] .side-card {
        background: transparent;
        box-shadow: none;
    }
    [data-theme="light"] .home-sidepanel {
        background: rgba(255,255,255,0.74);
        border-color: rgba(15,23,42,0.08);
        box-shadow: 0 16px 36px -34px rgba(15,23,42,0.24);
    }
    [data-theme="light"] .side-card + .side-card {
        border-left-color: rgba(15,23,42,0.08);
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: 272px;
    }
    .hero-overlay {
        padding: 34px 14px 16px;
        gap: 6px;
        transform: translateY(-36px);
    }
    .hero-clock {
        min-width: min(320px, calc(100vw - 40px));
    }
    .hero-clock-main {
        font-size: 38px;
    }
    .hero-clock-sub {
        margin-top: 6px;
        padding: 4px 8px;
        font-size: 11px;
    }
    .hero-system-row {
        margin-top: 6px;
        gap: 6px;
    }
    .hero-system-row span {
        padding: 3px 8px;
        font-size: 10.5px;
    }
    .hero-search-anchor {
        height: 42px;
    }
    .hero-search {
        --search-width: calc(100vw - 36px);
        --search-pad-y: 10px;
        --search-pad-x: 10px;
        border-radius: 16px;
        gap: 7px;
    }
    .hero-search-engine {
        min-width: 58px;
        height: 30px;
        padding: 0 8px;
        gap: 5px;
        font-size: 11px;
    }
    .hero-search-submit {
        min-width: 30px;
        width: 30px;
        height: 30px;
        border-radius: 10px;
    }
    .search-engine-popover {
        left: 50%;
        top: calc(100% + 5px);
        bottom: auto;
        width: min(330px, calc(100vw - 28px));
        padding: 8px;
        gap: 6px;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        transform: translate(-50%, -6px) scale(0.98);
        transform-origin: top center;
    }
    .search-engine-popover.open {
        transform: translate(-50%, 0) scale(1);
    }
    .search-engine-option {
        min-height: 34px;
        padding: 7px 8px;
        justify-content: center;
        font-size: 11px;
    }
    .hero-engine-chips {
        width: 100%;
        max-width: none;
        justify-content: flex-start;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding: 0 4px 4px;
        scrollbar-width: none;
        -webkit-mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 34px), transparent 100%);
        mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 34px), transparent 100%);
    }
    .hero-engine-chips::-webkit-scrollbar {
        display: none;
    }
    .hero-engine-chip {
        flex: 0 0 auto;
        min-height: 26px;
        padding: 5px 9px;
    }
    .hero-category-tabs {
        justify-content: flex-start;
        width: 100%;
        gap: 9px;
        margin-top: 10px;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding: 0 8px 6px;
        scroll-padding-inline: 8px;
        scrollbar-width: none;
        -webkit-mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 42px), transparent 100%);
        mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 42px), transparent 100%);
    }
    .hero-category-tabs::-webkit-scrollbar {
        display: none;
    }
    .hero-category-tab {
        flex: 0 0 auto;
        min-height: 31px;
        padding: 5px 11px;
    }
    .hero-search-note {
        display: none;
    }
    .home-hotline {
        width: calc(100% - 24px);
        margin: -56px auto 6px;
        padding: 9px;
        overflow: hidden;
    }
    .home-hotline::after {
        content: '';
        display: block;
        position: absolute;
        top: 38px;
        right: 9px;
        bottom: 9px;
        width: 32px;
        border-radius: 0 10px 10px 0;
        background: linear-gradient(90deg, transparent, rgba(14,14,28,0.58));
        pointer-events: none;
        z-index: 2;
    }
    [data-theme="light"] .home-hotline::after {
        background: linear-gradient(90deg, transparent, rgba(255,255,255,0.48));
    }
    .home-hotline-head span:last-child {
        display: inline;
    }
    .home-hotline-track {
        display: flex;
        overflow-x: auto;
        gap: 8px;
        padding-bottom: 2px;
        scrollbar-width: none;
    }
    .home-hotline-track::-webkit-scrollbar {
        display: none;
    }
    .hot-link {
        min-width: 154px;
        flex: 0 0 154px;
        min-height: 56px;
        padding: 8px 38px 8px 9px;
    }
    .hot-link-icon {
        width: 32px;
        height: 32px;
        border-radius: 9px;
    }
    .hot-link-text small {
        display: block;
    }
    .hot-link-clicks {
        top: 7px;
        right: 8px;
    }
    .content-shell {
        display: block;
    }
    .home-sidepanel {
        display: none;
    }
}

/* ======================================
   分类区块
   ====================================== */
.section {
    position: relative;
    margin-bottom: clamp(28px, 3.4vw, 42px);
    padding: 2px 0 4px;
    isolation: isolate;
}
.section:last-child {
    margin-bottom: clamp(16px, 2vw, 24px);
}
.section::before {
    content: '';
    position: absolute;
    inset: -10px -10px -14px;
    z-index: -1;
    border-radius: 22px;
    background:
        radial-gradient(ellipse at 0% 0%, color-mix(in srgb, var(--cat-color, var(--accent)) 8%, transparent), transparent 48%),
        linear-gradient(180deg, rgba(255,255,255,0.018), transparent 62%);
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.32s ease, transform 0.32s var(--ease);
    pointer-events: none;
}
.section:hover::before {
    opacity: 1;
    transform: translateY(0);
}

.section-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    padding: 0 2px 11px;
    position: relative;
}
.section-head::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: min(560px, 100%);
    height: 1px;
    background: linear-gradient(90deg, color-mix(in srgb, var(--cat-color, var(--accent)) 48%, transparent), rgba(255,255,255,0.055) 42%, transparent 100%);
    opacity: 0.72;
    transform-origin: left center;
    transition: opacity 0.28s ease, width 0.28s var(--ease);
}
[data-theme="light"] .section-head::after {
    background: linear-gradient(90deg, color-mix(in srgb, var(--cat-color, var(--accent)) 34%, transparent), rgba(15,23,42,0.08) 42%, transparent 100%);
}
.section:hover .section-head::after {
    width: min(720px, 100%);
    opacity: 0.92;
}
.section-tag {
    font-size: 17px;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-radius: 8px;
    background:
        linear-gradient(145deg, color-mix(in srgb, var(--cat-color, var(--accent)) 18%, rgba(255,255,255,0.06)), rgba(255,255,255,0.035));
    box-shadow:
        0 0 0 1px color-mix(in srgb, var(--cat-color, var(--accent)) 18%, transparent),
        0 10px 24px color-mix(in srgb, var(--cat-color, var(--accent)) 12%, transparent),
        inset 0 1px 0 rgba(255,255,255,0.10);
    transition: transform 0.24s var(--ease), box-shadow 0.24s ease, background 0.24s ease;
}
[data-theme="light"] .section-tag {
    background:
        linear-gradient(145deg, color-mix(in srgb, var(--cat-color, var(--accent)) 14%, rgba(255,255,255,0.78)), rgba(255,255,255,0.62));
    box-shadow:
        0 0 0 1px color-mix(in srgb, var(--cat-color, var(--accent)) 14%, rgba(15,23,42,0.06)),
        0 10px 22px -18px rgba(15,23,42,0.28),
        inset 0 1px 0 rgba(255,255,255,0.70);
}
.section:hover .section-tag {
    transform: translateY(-1px);
    box-shadow:
        0 0 0 1px color-mix(in srgb, var(--cat-color, var(--accent)) 26%, transparent),
        0 12px 30px color-mix(in srgb, var(--cat-color, var(--accent)) 16%, transparent),
        inset 0 1px 0 rgba(255,255,255,0.14);
}
.section-tag img {
    width: 20px;
    height: 20px;
    object-fit: contain;
    border-radius: 3px;
}
.section-info {
    flex: 1;
    min-width: 0;
}
.section-head h2 {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.2px;
    color: var(--text-1);
    text-shadow: 0 0 20px color-mix(in srgb, var(--cat-color, var(--accent)) 15%, transparent);
}
.section-desc {
    font-size: 12px;
    color: var(--text-3);
    margin-top: 2px;
}
.section-count {
    margin-left: auto;
    flex-shrink: 0;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-3);
    padding: 3px 9px;
    border-radius: 999px;
    background: rgba(255,255,255,0.035);
    border: 1px solid rgba(255,255,255,0.055);
    transition: color 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}
.section:hover .section-count {
    color: var(--text-2);
    background: color-mix(in srgb, var(--cat-color, var(--accent)) 8%, rgba(255,255,255,0.035));
    border-color: color-mix(in srgb, var(--cat-color, var(--accent)) 18%, transparent);
}
[data-theme="light"] .section-count {
    background: rgba(0,0,0,0.035);
    border-color: rgba(0,0,0,0.055);
}
[data-theme="light"] .section:hover .section-count {
    background: color-mix(in srgb, var(--cat-color, var(--accent)) 7%, rgba(255,255,255,0.75));
}

/* ======================================
   卡片网格
   ====================================== */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 10px;
}
.grid > .card {
    min-width: 0;
}

/* ======================================
   卡片
   ====================================== */
.card {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
    cursor: pointer;
    display: block;
    contain: layout style paint;
}
.card:hover {
    will-change: transform;
}
.card::before { display: none; }

.card-body {
    position: relative;
    z-index: 1;
    padding: 11px;
    min-height: 74px;
    background:
        linear-gradient(180deg, rgba(255,255,255,0.055), rgba(255,255,255,0.026)),
        rgba(16,16,30,0.58);
    border: 1px solid rgba(255,255,255,0.075);
    border-radius: inherit;
    height: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    transition: background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
    box-shadow: 0 10px 28px -28px rgba(0,0,0,0.65);
    backdrop-filter: blur(10px) saturate(1.06);
    -webkit-backdrop-filter: blur(10px) saturate(1.06);
}
[data-theme="light"] .card-body {
    background:
        linear-gradient(180deg, rgba(255,255,255,0.92), rgba(255,255,255,0.78)),
        rgba(255,255,255,0.84);
    border-color: rgba(15,23,42,0.065);
    box-shadow: 0 10px 24px -24px rgba(15,23,42,0.22);
}

.card:hover .card-body {
    background:
        linear-gradient(180deg, rgba(255,255,255,0.075), rgba(255,255,255,0.035)),
        color-mix(in srgb, var(--cat-color, var(--accent)) 8%, rgba(18,18,34,0.68));
    border-color: color-mix(in srgb, var(--cat-color, var(--accent)) 35%, var(--border-hover));
    box-shadow:
        0 4px 16px rgba(0,0,0,0.12),
        0 0 24px -4px color-mix(in srgb, var(--cat-color, var(--accent)) 18%, transparent);
}
[data-theme="light"] .card:hover .card-body {
    background:
        linear-gradient(180deg, rgba(255,255,255,0.96), rgba(255,255,255,0.82)),
        color-mix(in srgb, var(--cat-color, var(--accent)) 5%, rgba(255,255,255,0.90));
    box-shadow:
        0 4px 16px rgba(0,0,0,0.06),
        0 0 20px -4px color-mix(in srgb, var(--cat-color, var(--accent)) 12%, transparent);
}

.card:hover {
    transform: translateY(-2px);
}
[data-theme="light"] .card:hover {
    transform: translateY(-2px);
}
.card.search-focus .card-body {
    border-color: color-mix(in srgb, var(--cat-color, var(--accent)) 54%, rgba(255,255,255,0.16));
    box-shadow:
        0 6px 18px rgba(0,0,0,0.16),
        0 0 0 3px color-mix(in srgb, var(--cat-color, var(--accent)) 16%, transparent);
}
[data-theme="light"] .card.search-focus .card-body {
    border-color: color-mix(in srgb, var(--cat-color, var(--accent)) 38%, rgba(15,23,42,0.10));
    box-shadow:
        0 6px 18px rgba(15,23,42,0.08),
        0 0 0 3px color-mix(in srgb, var(--cat-color, var(--accent)) 14%, transparent);
}

.card-icon {
    font-size: 18px;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.055);
    border-radius: 11px;
    border: 1px solid rgba(255,255,255,0.07);
    transition: background 0.18s ease, border-color 0.18s ease;
    overflow: hidden;
}
[data-theme="light"] .card-icon {
    background: rgba(15,23,42,0.035);
    border-color: rgba(15,23,42,0.055);
}
.card:hover .card-icon {
    border-color: color-mix(in srgb, var(--cat-color, var(--accent)) 30%, var(--border-hover));
    background: color-mix(in srgb, var(--cat-color, var(--accent)) 10%, rgba(255,255,255,0.055));
}
[data-theme="light"] .card:hover .card-icon {
    background: color-mix(in srgb, var(--cat-color, var(--accent)) 8%, rgba(255,255,255,0.58));
}
.card-icon .iconfont {
    font-size: 18px;
    line-height: 1;
}
.card-text {
    flex: 1;
    min-width: 0;
}
.section-tag .iconfont {
    font-size: 18px;
    line-height: 1;
}
.card-name-row {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
}
.card-name {
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: -0.2px;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-1);
    transition: color 0.18s;
}
.card:hover .card-name {
    color: var(--cat-color, var(--accent));
}

/* 标签 */
.tag {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 100px;
    letter-spacing: 0.3px;
    flex-shrink: 0;
    display: inline-block;
    line-height: 1.4;
}
.tag-blue { background: rgba(59,130,246,0.12); color: #60a5fa; }
.tag-purple { background: rgba(139,92,246,0.12); color: #a78bfa; }
.tag-green { background: rgba(34,197,94,0.12); color: #4ade80; }
.tag-red { background: rgba(239,68,68,0.12); color: #f87171; }
.tag-orange { background: rgba(249,115,22,0.12); color: #fb923c; }
.tag-pink { background: rgba(236,72,153,0.12); color: #f472b6; }
.tag-cyan { background: rgba(6,182,212,0.12); color: #22d3ee; }
.tag-yellow { background: rgba(234,179,8,0.12); color: #facc15; }

.card-desc {
    font-size: 11.5px;
    color: var(--text-3);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin: 2px 0 0;
}

/* 链接类型角标指示 */
.card[data-link-type="copy"] .card-body::after,
.card[data-link-type="detail"] .card-body::after {
    content: '';
    position: absolute;
    top: 6px;
    right: 6px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    opacity: 0.5;
    transition: opacity 0.2s;
    background-size: 12px 12px;
    background-repeat: no-repeat;
    background-position: center;
}
.card[data-link-type="copy"] .card-body::after {
    background-color: rgba(249,115,22,0.12);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23fb923c' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='9' y='9' width='13' height='13' rx='2' ry='2'/%3E%3Cpath d='M5 15H4a2 2 0 01-2-2V4a2 2 0 012-2h9a2 2 0 012 2v1'/%3E%3C/svg%3E");
}
.card[data-link-type="detail"] .card-body::after {
    background-color: rgba(139,92,246,0.12);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a78bfa' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 2H6a2 2 0 00-2 2v16a2 2 0 002 2h12a2 2 0 002-2V8z'/%3E%3Cpolyline points='14 2 14 8 20 8'/%3E%3Cline x1='16' y1='13' x2='8' y2='13'/%3E%3Cline x1='16' y1='17' x2='8' y2='17'/%3E%3C/svg%3E");
}
.card:hover [data-link-type="copy"] .card-body::after,
.card:hover [data-link-type="detail"] .card-body::after {
    opacity: 0.8;
}

/* ======================================
   页脚（嵌入内容区底部）
   ====================================== */
.content > .footer-inner {
    margin-top: auto;
    padding: 24px 0 8px;
    text-align: center;
    color: var(--text-3);
    font-size: 12px;
    border-top: 1px solid var(--border);
}
.content > .footer-inner p {
    margin: 0;
    line-height: 1.6;
    opacity: 0.65;
}

/* ======================================
   入场动画
   ====================================== */

/* 页面容器：淡入 + 轻微上移 */
.page {
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
body.content-in .page {
    opacity: 1;
    transform: none;
}
body.content-direct .page {
    opacity: 1;
    transform: none;
    transition: none;
}

/* 分层入场 — hero 稍延迟 */
.hero {
    opacity: 0;
    transform: translateY(24px);
}
.section {
    opacity: 0;
    transform: translateY(24px);
}
.hero.in-view {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.9s var(--ease) 0.1s, transform 0.9s var(--ease) 0.1s;
}
.section.in-view {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.card {
    opacity: 0;
    transform: translateY(12px);
}
.card.in-view {
    animation: cardFadeIn 0.4s ease forwards;
}
body.content-direct .hero,
body.content-direct .section,
body.content-direct .card {
    opacity: 1;
    transform: none;
    transition: none;
    animation: none;
}
body.content-direct .card.in-view {
    animation: none;
}
@keyframes cardFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}
.card.in-view:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* 滚动进度条 */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    z-index: 9999;
    transition: width 0.05s linear;
    pointer-events: none;
}

/* 右下角悬浮按钮组 */
.bottom-actions {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.bottom-fab {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: rgba(18,18,32,0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.3s, transform 0.3s, background 0.2s, border-color 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}
.bottom-fab:hover {
    background: rgba(18,18,32,0.95);
    border-color: var(--border-hover);
    color: var(--text-1);
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
[data-theme="light"] .bottom-fab {
    background: rgba(255,255,255,0.85);
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
[data-theme="light"] .bottom-fab:hover {
    background: rgba(255,255,255,0.95);
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
/* 回到顶部 —— 默认隐藏，滚动后显示 */
.back-to-top {
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
}
.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* ======================================
   搜索过滤隐藏
   ====================================== */
.card.filtered-out { display: none; }
.section.filtered-out { display: none; }

/* ======================================
   响应式
   ====================================== */
@media (max-width: 1024px) {
    .grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}

@media (max-width: 768px) {
    .stage-tiles {
        inset: -40%;
        gap: 14px;
        transform: rotate(-12deg) scale(1.4);
    }
    .stage-tile {
        width: 140px;
        height: 90px;
        border-radius: 10px;
    }
    .stage-row-set { gap: 12px; padding-right: 12px; }

    .content { padding: 16px 12px clamp(32px, 5vw, 48px); border-radius: 14px 14px 0 0; margin-top: 0; }

    .section {
        margin-bottom: 26px;
    }
    .section::before {
        inset: -8px -6px -12px;
        border-radius: 20px;
    }
    .section-head {
        margin-bottom: 10px;
        padding-bottom: 9px;
    }

    .grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }

    .card-body { padding: 9px 10px; min-height: clamp(64px, 10vw, 70px); align-items: center; }
    .card-icon { width: 34px; height: 34px; font-size: 18px; border-radius: 10px; }
    .card-text {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
    .card-desc {
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
        white-space: normal;
        line-height: 1.35;
        font-size: 10.5px;
        margin-top: 1px;
    }
    .section-head h2 { font-size: 14px; }
    .section-tag { width: 24px; height: 24px; font-size: 14px; }

    /* 移动端取消 .page 层叠上下文，侧栏/遮罩 z-index 在根上下文生效 */
    .page {
        z-index: auto;
    }

    /* 侧栏：移动端隐藏，通过按钮呼出 */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: var(--sidebar-mobile-width);
        flex-basis: var(--sidebar-mobile-width);
        height: 100vh;
        margin: 0;
        padding: 0;
        background: rgba(6,6,14,0.84);
        border: 1px solid var(--border);
        border-left: 0;
        border-radius: 0 8px 8px 0;
        z-index: 200;
        transform: translate3d(-100%, 0, 0);
        opacity: 0;
        transition: transform 0.36s var(--ease), opacity 0.22s ease, box-shadow 0.36s ease;
        box-shadow: 4px 0 28px rgba(0,0,0,0.36);
        will-change: transform;
        contain: layout style;
        backdrop-filter: blur(18px) saturate(1.14);
        -webkit-backdrop-filter: blur(18px) saturate(1.14);
    }
    .sidebar-brand {
        gap: 7px;
        padding: 18px 14px 16px;
    }
    .sidebar-brand::after {
        left: 16px;
        right: 16px;
    }
    .sidebar-logo {
        width: 70px;
        height: 70px;
        border-radius: 8px;
    }
    .sidebar-title {
        font-size: 14px;
    }
    .sidebar-close {
        display: flex;
    }

    .sidebar-nav {
        gap: 5px;
        padding: 12px 10px 0;
    }
    .sidebar-footer {
        padding: 10px 14px 12px;
    }
    .sidebar-item {
        gap: 9px;
        padding: 8px 9px;
        border-radius: 7px;
        font-size: 12.5px;
        min-height: 42px;
    }
    .sidebar-icon {
        width: 30px;
        height: 30px;
        border-radius: 7px;
        font-size: 14px;
    }
    .sidebar-icon img {
        width: 17px;
        height: 17px;
    }
    .sidebar-icon .iconfont {
        font-size: 15px;
    }
    .sidebar-count {
        min-width: 22px;
        height: 20px;
        padding: 0 7px;
        font-size: 10.5px;
        line-height: 19px;
    }
    [data-theme="light"] .sidebar {
        box-shadow: 4px 0 24px rgba(0,0,0,0.08);
        background:
            linear-gradient(180deg, rgba(255,255,255,0.78), rgba(255,255,255,0.52)),
            rgba(246,246,250,0.74);
    }
    .stage.stage-bg ~ .page .sidebar,
    .stage.fading ~ .page .sidebar,
    .stage.flyaway ~ .page .sidebar {
        color: #f8fafc;
        background:
            linear-gradient(180deg, rgba(12,12,24,0.64), rgba(6,6,14,0.48));
        border-color: rgba(255,255,255,0.14);
        border-left: 0;
        box-shadow:
            12px 0 34px rgba(0,0,0,0.36),
            inset -1px 0 0 rgba(255,255,255,0.08);
        backdrop-filter: blur(22px) saturate(1.16);
        -webkit-backdrop-filter: blur(22px) saturate(1.16);
    }
    .stage.stage-bg ~ .page .sidebar::before,
    .stage.fading ~ .page .sidebar::before,
    .stage.flyaway ~ .page .sidebar::before {
        background: rgba(6,6,14,0.34);
    }
    .stage.stage-bg ~ .page .sidebar::after,
    .stage.fading ~ .page .sidebar::after,
    .stage.flyaway ~ .page .sidebar::after {
        background: linear-gradient(
            to bottom,
            rgba(255,255,255,0.09) 0%,
            rgba(255,255,255,0.02) 42%,
            rgba(0,0,0,0.24) 100%
        );
    }
    [data-theme="light"] .stage.stage-bg ~ .page .sidebar,
    [data-theme="light"] .stage.fading ~ .page .sidebar,
    [data-theme="light"] .stage.flyaway ~ .page .sidebar {
        color: #1f2937;
        background:
            linear-gradient(180deg, rgba(255,255,255,0.72), rgba(248,250,252,0.56));
        border-color: rgba(15,23,42,0.10);
        border-left: 0;
        box-shadow:
            12px 0 32px rgba(15,23,42,0.13),
            inset -1px 0 0 rgba(255,255,255,0.74);
        backdrop-filter: blur(22px) saturate(1.12);
        -webkit-backdrop-filter: blur(22px) saturate(1.12);
    }
    [data-theme="light"] .stage.stage-bg ~ .page .sidebar::before,
    [data-theme="light"] .stage.fading ~ .page .sidebar::before,
    [data-theme="light"] .stage.flyaway ~ .page .sidebar::before {
        background: rgba(255,255,255,0.42);
    }
    [data-theme="light"] .stage.stage-bg ~ .page .sidebar::after,
    [data-theme="light"] .stage.fading ~ .page .sidebar::after,
    [data-theme="light"] .stage.flyaway ~ .page .sidebar::after {
        background: linear-gradient(
            to bottom,
            rgba(255,255,255,0.24) 0%,
            rgba(255,255,255,0.06) 42%,
            rgba(241,245,249,0.28) 100%
        );
    }
    [data-theme="light"] .sidebar-title {
        color: #111827;
        text-shadow: 0 1px 0 rgba(255,255,255,0.70);
    }

    [data-theme="light"] .sidebar-item {
        color: #334155;
    }
    [data-theme="light"] .sidebar-label {
        color: inherit;
        text-shadow: 0 1px 0 rgba(255,255,255,0.55);
    }
    [data-theme="light"] .sidebar-icon {
        background: rgba(255,255,255,0.62);
        border-color: rgba(15,23,42,0.08);
        box-shadow: inset 0 1px 0 rgba(255,255,255,0.64);
    }
    [data-theme="light"] .sidebar-count {
        color: #475569;
        background: rgba(255,255,255,0.60);
        border-color: rgba(15,23,42,0.08);
    }
    [data-theme="light"] .sidebar-item:hover {
        color: #111827;
        background: rgba(255,255,255,0.52);
        border-color: rgba(15,23,42,0.09);
    }
    [data-theme="light"] .sidebar-item.active {
        color: #111827;
        background: rgba(15,23,42,0.075);
        border-color: rgba(15,23,42,0.12);
    }
    [data-theme="light"] .sidebar-item:hover .sidebar-count,
    [data-theme="light"] .sidebar-item.active .sidebar-count {
        color: #0f172a;
        background: rgba(15,23,42,0.08);
        border-color: rgba(15,23,42,0.12);
    }
    .sidebar.open {
        width: var(--sidebar-mobile-width);
        flex-basis: var(--sidebar-mobile-width);
        transform: translate3d(0, 0, 0);
        opacity: 1;
    }
    /* 侧栏打开时隐藏顶栏和浮动按钮 */
    .sidebar-backdrop {
        background: rgba(0,0,0,0.28);
        backdrop-filter: blur(1.5px);
        -webkit-backdrop-filter: blur(1.5px);
    }

    [data-theme="light"] .sidebar-backdrop {
        background: rgba(15,23,42,0.18);
    }

    /* 移动端固定顶栏（透明容器，不连接子元素） */
    .mobile-topbar {
        display: flex;
        align-items: center;
        position: fixed;
        top: 0;
        left: 0;
        right: auto;
        z-index: 240;
        padding: 10px 14px;
        gap: 10px;
        pointer-events: none;
    }
    .mobile-topbar > * {
        pointer-events: auto;
    }

    /* 侧栏切换按钮：独立圆形，不再 fixed */
    .sidebar-toggle {
        display: flex;
        position: static;
        flex-shrink: 0;
    }
    .mobile-topbar.sidebar-open {
        transform: translateX(calc(var(--sidebar-mobile-width) + 8px));
        opacity: 0;
        pointer-events: none;
    }

    /* 浮动按钮对齐：与 topbar 内容垂直居中 */
    .floating-actions {
        top: 8px;
    }

    .layout {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
    .card-name { font-size: 12.5px; }
    .card-body {
        padding: 8px 9px;
        min-height: clamp(56px, 13vw, 60px);
        gap: 8px;
        align-items: center;
    }
    .card-text {
        align-self: center;
        justify-content: flex-start;
        gap: 1px;
    }
    .card-desc {
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        white-space: normal;
        font-size: 10.5px;
        line-height: 1.28;
        margin-top: 0;
    }
    .tag { font-size: 9px; padding: 1px 5px; }
    .card-icon { width: 34px; height: 34px; font-size: 15px; border-radius: 9px; }
    .card-icon .iconfont { font-size: 14px; }
    .card-name-row { gap: 4px; }

    .section-head h2 { font-size: 14px; }
    .section-tag { width: 22px; height: 22px; font-size: 14px; }
    .section-count { font-size: 11px; }

    .search-engine-popover {
        width: calc(100vw - 28px);
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }
    .search-engine-option {
        justify-content: center;
        padding: 7px 4px;
        gap: 4px;
        font-size: 10.5px;
    }

    .mobile-topbar { padding: 8px 10px; gap: 8px; }
    .sidebar {
        --sidebar-mobile-width: min(72vw, 278px);
        width: var(--sidebar-mobile-width);
        flex-basis: var(--sidebar-mobile-width);
        border-radius: 0 6px 6px 0;
    }
    .sidebar-brand {
        padding: 16px 12px 14px;
    }
    .sidebar-logo {
        width: 62px;
        height: 62px;
        border-radius: 8px;
    }
    .sidebar-nav {
        padding: 10px 8px 0;
        gap: 4px;
    }
    .sidebar-item {
        min-height: 40px;
        padding: 7px 8px;
        border-radius: 6px;
    }
    .sidebar-icon {
        width: 28px;
        height: 28px;
        border-radius: 6px;
    }
    .sidebar-toggle { width: 34px; height: 34px; }
    .floating-actions { gap: 1px; padding: 3px; top: 7px; right: 10px; }
    .fab-btn { width: 30px; height: 30px; }
    .bottom-actions { bottom: 20px; right: 16px; gap: 8px; }
    .bottom-fab { width: 38px; height: 38px; }

    #particles { display: none; }
}

/* 减弱动画偏好 */
@media (prefers-reduced-motion: reduce) {
    .stage-row { animation-duration: 0s !important; }
    .card.in-view { animation: none; opacity: 1; transform: none; }
    .splash { transition-duration: 0.1s; }
    .page { transition-duration: 0.1s; }
    .sidebar,
    .sidebar-toggle,
    .sidebar-backdrop,
    .mobile-topbar {
        transition-duration: 0.01ms !important;
    }
}

/* ======================================
   通用弹窗
   ====================================== */
.nav-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    min-height: 100dvh;
    padding: clamp(14px, 4vw, 32px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.18s ease, visibility 0.18s ease;
}
.nav-modal-overlay::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(3,3,12,0.18), rgba(3,3,12,0.38));
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    opacity: 0;
    transition: opacity 0.18s ease;
}
.nav-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}
.nav-modal-overlay.active::before {
    opacity: 1;
}
.nav-modal-overlay.closing {
    opacity: 0;
    visibility: visible;
    pointer-events: none;
}
.nav-modal-overlay.closing::before {
    opacity: 0;
}
/* ---- 弹窗卡片 ---- */
.nav-modal {
    background:
        linear-gradient(180deg, rgba(255,255,255,0.11), rgba(255,255,255,0.04)),
        rgba(18,18,30,0.48);
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: 14px;
    padding: 0;
    min-height: 0;
    width: min(100%, clamp(330px, 36vw, 420px));
    max-width: 100%;
    max-height: calc(100vh - clamp(28px, 8vw, 64px));
    max-height: calc(100dvh - clamp(28px, 8vw, 64px));
    margin: auto;
    overflow-y: auto;
    overscroll-behavior: contain;
    text-align: center;
    box-shadow:
        0 24px 70px rgba(0,0,0,0.36),
        0 0 0 1px rgba(255,255,255,0.055) inset;
    transform: translate3d(0, 14px, 0) scale(0.965);
    transition: transform 0.26s var(--ease), opacity 0.2s ease;
    opacity: 0;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(18px) saturate(1.45) brightness(1.05);
    -webkit-backdrop-filter: blur(18px) saturate(1.45) brightness(1.05);
    will-change: transform, opacity;
}
[data-theme="light"] .nav-modal {
    background:
        linear-gradient(180deg, rgba(255,255,255,0.46), rgba(255,255,255,0.24)),
        rgba(255,255,255,0.34);
    border-color: rgba(0,0,0,0.08);
    box-shadow:
        0 22px 56px rgba(0,0,0,0.16),
        0 0 0 1px rgba(255,255,255,0.80) inset;
}
.nav-modal::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    border-radius: inherit;
    background:
        linear-gradient(135deg, rgba(255,255,255,0.20), transparent 32%),
        linear-gradient(180deg, rgba(6,6,14,0.08), rgba(6,6,14,0.16)),
        linear-gradient(315deg, rgba(255,255,255,0.05), transparent 44%);
}
.nav-modal::after {
    display: none;
}
.nav-modal.has-bg-image::after {
    content: '';
    display: block;
    position: absolute;
    inset: -34px;
    z-index: 0;
    pointer-events: none;
    background-image: var(--modal-image);
    background-position: center;
    background-size: cover;
    opacity: 0.34;
    filter: blur(24px) saturate(1.35) contrast(1.02);
    transform: scale(1.08);
    mask-image: linear-gradient(180deg, #000 0, rgba(0,0,0,0.72) 48%, transparent 100%);
    -webkit-mask-image: linear-gradient(180deg, #000 0, rgba(0,0,0,0.72) 48%, transparent 100%);
}
[data-theme="light"] .nav-modal.has-bg-image::after {
    opacity: 0.22;
    filter: blur(24px) saturate(1.12) contrast(1.02);
}
[data-theme="light"] .nav-modal::before {
    background:
        linear-gradient(135deg, rgba(255,255,255,0.36), transparent 32%),
        linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.12)),
        linear-gradient(315deg, rgba(0,0,0,0.03), transparent 44%);
}
.nav-modal-overlay.active .nav-modal {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 1;
}
/* 关闭动画：缩小+下移 */
.nav-modal-overlay.closing .nav-modal {
    transform: translate3d(0, 10px, 0) scale(0.975);
    opacity: 0;
    transition: transform 0.16s ease-in, opacity 0.14s ease-in;
}

/* ---- 极光光晕层（覆盖整个弹窗） ---- */
.nav-modal-header {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
    background:
        linear-gradient(180deg, rgba(255,255,255,0.055), transparent 42%);
}
.nav-modal-header::before,
.nav-modal-header::after { display: none; }

/* ---- 背景水印 ---- */
.nav-modal-bg-icon {
    position: absolute;
    top: -42px;
    right: -46px;
    z-index: 0;
    width: 190px;
    height: 190px;
    pointer-events: none;
    opacity: 0.09;
    filter: blur(1.5px) saturate(1.25);
    transform: rotate(-8deg);
    mask-image: radial-gradient(circle at 50% 50%, #000 0 42%, rgba(0,0,0,0.62) 58%, transparent 78%);
    -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 0 42%, rgba(0,0,0,0.62) 58%, transparent 78%);
}
.nav-modal-bg-icon img,
.nav-modal-bg-icon svg {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    border-radius: 999px !important;
}
.nav-modal-bg-icon .iconfont {
    font-size: 150px !important;
}
[data-theme="light"] .nav-modal-bg-icon {
    opacity: 0.06;
}

/* ---- 关闭按钮 ---- */
.nav-modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 28px;
    height: 28px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.10);
    color: rgba(255,255,255,0.62);
    cursor: pointer;
    padding: 0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s, transform 0.15s;
    z-index: 4;
}
.nav-modal-close:hover {
    background: color-mix(in srgb, var(--modal-accent, var(--accent)) 24%, rgba(255,255,255,0.12));
    color: #fff;
    transform: rotate(90deg);
}
[data-theme="light"] .nav-modal-close {
    background: rgba(0,0,0,0.06);
    color: var(--text-3);
}
[data-theme="light"] .nav-modal-close:hover {
    background: rgba(0,0,0,0.12);
    color: var(--text-1);
}

/* ---- 图标 ---- */
.nav-modal-icon {
    position: relative;
    z-index: 2;
    width: 52px;
    height: 52px;
    margin: 30px auto 14px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: visible;
    pointer-events: none;
    background: none;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}
.nav-modal-icon::after {
    display: none;
}
.nav-modal-icon img {
    width: 52px !important;
    height: 52px !important;
    border-radius: 10px !important;
    object-fit: cover !important;
    object-position: center;
    box-shadow: 0 10px 26px color-mix(in srgb, var(--modal-accent, var(--accent)) 18%, rgba(0,0,0,0.26));
    filter: saturate(1.08) contrast(1.04);
    transform: none;
}
.nav-modal-icon .iconfont {
    font-size: 48px !important;
    opacity: 0.92;
    transform: none;
}

/* ---- 标题 ---- */
.nav-modal-title {
    position: relative;
    z-index: 2;
    font-size: 20px;
    font-weight: 750;
    color: var(--text-1);
    margin: 0 clamp(22px, 7vw, 36px) 6px;
    letter-spacing: -0.45px;
    line-height: 1.25;
}

/* ---- 描述 ---- */
.nav-modal-desc {
    position: relative;
    z-index: 2;
    font-size: 13px;
    color: var(--text-2);
    margin: 0 clamp(22px, 7vw, 36px) 14px;
    line-height: 1.5;
}

/* ---- URL 胶囊 ---- */
.nav-modal-url {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: flex-start;
    gap: 6px;
    background: rgba(255,255,255,0.075);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 20px;
    padding: 6px 14px 6px 10px;
    font-size: 12px;
    color: var(--text-3);
    margin: 0 auto 18px;
    max-width: calc(100% - clamp(32px, 10vw, 64px));
    min-width: 0;
    overflow: hidden;
    white-space: normal;
    text-align: left;
    overflow-wrap: anywhere;
}
[data-theme="light"] .nav-modal-url {
    background: rgba(255,255,255,0.58);
    border-color: rgba(0,0,0,0.07);
}
.nav-modal-url svg {
    flex-shrink: 0;
    opacity: 0.5;
}
.nav-modal-url .url-domain {
    color: var(--text-2);
    font-weight: 500;
    min-width: 0;
    overflow-wrap: anywhere;
    word-break: break-word;
}

/* ---- 操作按钮 ---- */
.nav-modal-actions {
    position: relative;
    z-index: 2;
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
    padding: 0 clamp(18px, 6vw, 28px) clamp(20px, 5vw, 28px);
}
.nav-modal-btn {
    flex: 1;
    min-width: 0;
    padding: 11px 0;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    position: relative;
    overflow: hidden;
    transition: transform 0.14s ease, background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}
.nav-modal-btn::before {
    display: none;
}
.nav-modal-btn:hover {
    transform: translateY(-1px);
}
.nav-modal-btn:active {
    transform: translateY(0) scale(0.97);
}
.nav-modal-btn.primary {
    background: var(--modal-accent, var(--accent, #7c5cfc));
    color: #fff;
}
.nav-modal-btn.primary:hover {
    background: color-mix(in srgb, var(--modal-accent, var(--accent)) 88%, #fff 12%);
}
.nav-modal-btn.secondary {
    background: rgba(255,255,255,0.07);
    color: var(--text-2);
    border: 1px solid rgba(255,255,255,0.11);
}
.nav-modal-btn.secondary:hover {
    background: rgba(255,255,255,0.10);
    color: var(--text-1);
    border-color: var(--border-hover);
}
[data-theme="light"] .nav-modal-btn.secondary {
    background: rgba(255,255,255,0.62);
    border-color: rgba(0,0,0,0.08);
}
/* 复制成功反馈 */
.nav-modal-btn.copied {
    background: rgba(74,222,128,0.15) !important;
    color: #4ade80 !important;
    border-color: rgba(74,222,128,0.3) !important;
    transform: none !important;
    pointer-events: none;
    transition: all 0.3s;
}
/* 按钮图标旋入动画 */
.nav-modal-btn svg {
    transition: none;
}
.nav-modal-btn.copied svg {
    animation: btnCheckPop 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes btnCheckPop {
    0%   { transform: scale(0) rotate(-45deg); }
    100% { transform: scale(1) rotate(0); }
}

@media (max-width: 640px) {
    .nav-modal-overlay {
        align-items: center;
        padding: 18px;
    }
    .nav-modal {
        width: min(88vw, 360px);
        border-radius: 12px;
    }
    .nav-modal-close {
        top: 12px;
        right: 12px;
        width: 26px;
        height: 26px;
    }
    .nav-modal-icon {
        width: 46px;
        height: 46px;
        margin-top: 26px;
        margin-bottom: 12px;
    }
    .nav-modal-icon img {
        width: 46px !important;
        height: 46px !important;
        border-radius: 9px !important;
    }
    .nav-modal-title {
        font-size: 18px;
        margin-left: 20px;
        margin-right: 20px;
    }
    .nav-modal-desc {
        font-size: 12.5px;
        margin-left: 20px;
        margin-right: 20px;
        margin-bottom: 12px;
    }
    .nav-modal-url {
        max-width: calc(100% - 36px);
        margin-bottom: 16px;
        padding: 5px 11px 5px 9px;
        font-size: 11.5px;
    }
    .nav-modal-actions {
        flex-direction: row;
        flex-wrap: nowrap;
        gap: 8px;
        padding: 0 18px 20px;
    }
    .nav-modal-btn {
        width: auto;
        min-width: 0;
        padding: 10px 6px;
        border-radius: 9px;
        font-size: 12px;
        gap: 5px;
    }
    .nav-modal-btn svg {
        width: 13px;
        height: 13px;
    }
}

@media (max-width: 360px) {
    .nav-modal-overlay {
        padding: 14px;
    }
    .nav-modal {
        width: min(88vw, 330px);
    }
    .nav-modal-actions {
        gap: 6px;
        padding-left: 14px;
        padding-right: 14px;
    }
    .nav-modal-btn {
        font-size: 11.5px;
        padding-left: 4px;
        padding-right: 4px;
    }
}
/* ======================================
   Toast 通知
   ====================================== */
.nav-toast {
    position: fixed;
    bottom: 32px;
    right: 24px;
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 260px;
    max-width: 400px;
    padding: 14px 16px;
    border-radius: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    box-shadow:
        0 12px 40px rgba(0,0,0,0.25),
        0 0 0 1px rgba(255,255,255,0.04) inset;
    backdrop-filter: blur(20px) saturate(1.5);
    -webkit-backdrop-filter: blur(20px) saturate(1.5);
    opacity: 0;
    transform: translateX(20px) scale(0.95);
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
    overflow: hidden;
}
[data-theme="light"] .nav-toast {
    box-shadow:
        0 12px 40px rgba(0,0,0,0.1),
        0 0 0 1px rgba(0,0,0,0.04) inset;
}
.nav-toast.show {
    opacity: 1;
    transform: translateX(0) scale(1);
    pointer-events: auto;
}
.nav-toast.hiding {
    opacity: 0;
    transform: translateX(20px) scale(0.95);
    transition: all 0.3s ease-in;
}

/* ---- 图标 ---- */
.nav-toast-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.nav-toast-success .nav-toast-icon { background: rgba(74,222,128,0.12); color: #4ade80; }
.nav-toast-error .nav-toast-icon   { background: rgba(248,81,73,0.12); color: #f85149; }
.nav-toast-info .nav-toast-icon    { background: rgba(96,165,250,0.12); color: #60a5fa; }
.nav-toast-warning .nav-toast-icon { background: rgba(251,191,36,0.12); color: #fbbf24; }

/* ---- 文本 ---- */
.nav-toast-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-1);
    line-height: 1.4;
}

/* ---- 响应式 ---- */
@media (max-width: 480px) {
    .nav-modal-overlay {
        align-items: center;
        padding: 16px;
    }
    .nav-modal-overlay::before {
        background: rgba(3,3,12,0.46);
    }
    .nav-modal {
        width: min(88vw, 360px);
        max-width: 360px;
        border-radius: 12px;
        transform: translate3d(0, 14px, 0) scale(0.965);
        transition-duration: 0.18s;
    }
    .nav-modal-icon {
        margin-top: 22px;
        margin-bottom: 10px;
    }
    .nav-modal-icon img {
        width: 40px !important;
        height: 40px !important;
    }
    .nav-modal-title {
        margin-inline: 20px;
        font-size: 17px;
    }
    .nav-modal-desc {
        margin-inline: 20px;
    }
    .nav-modal-url {
        max-width: calc(100% - 40px);
        margin-bottom: 14px;
    }
    .nav-modal-actions {
        padding: 0 16px 16px;
        gap: 8px;
    }
    .nav-modal-btn {
        min-height: 42px;
    }
    .nav-toast {
        right: 12px;
        left: 12px;
        bottom: 16px;
        min-width: 0;
        max-width: none;
    }
}