/* ==================================================================
 * Fireki · Homepage CSS v3
 * 所有选择器均以 .home 前缀作用域，避免污染全站
 * ================================================================== */

.home {
    /* 主色 */
    --fx-brand-1: #7c5cff;
    --fx-brand-2: #b87cff;
    --fx-brand-3: #ff7ac9;
    --fx-brand-4: #5b3fd6;

    /* 背景 */
    --fx-bg-0: #0b0d14;
    --fx-bg-1: #0f111a;
    --fx-bg-2: #151826;

    /* 文字 */
    --fx-text-1: #ffffff;
    --fx-text-2: rgba(255,255,255,.72);
    --fx-text-3: rgba(255,255,255,.5);
    --fx-text-4: rgba(255,255,255,.32);

    /* 边框 */
    --fx-border-1: rgba(255,255,255,.08);
    --fx-border-2: rgba(255,255,255,.14);

    /* 阴影 */
    --fx-shadow-sm: 0 2px 12px rgba(0,0,0,.3);
    --fx-shadow-md: 0 12px 40px rgba(0,0,0,.5);
    --fx-shadow-lg: 0 32px 80px rgba(0,0,0,.65);

    /* 圆角 */
    --fx-r-sm: 8px;
    --fx-r-md: 14px;
    --fx-r-lg: 20px;
    --fx-r-xl: 28px;

    /* 动画曲线 & 时长 */
    --fx-ease: cubic-bezier(.22,1,.36,1);
    --fx-dur-fast: .25s;
    --fx-dur-base: .35s;
    --fx-dur-slow: .6s;
    --fx-dur-reveal: .9s;

    background: var(--fx-bg-0);
    color: var(--fx-text-1);
    font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    position: relative;
}

.home *,
.home *::before,
.home *::after { box-sizing: border-box; }

.home .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==================================================================
 * 滚动进度条 & 回到顶部
 * ================================================================== */
.scroll-progress {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        #7c5cff, #b87cff 40%, #ff7ac9);
    transform: scaleX(0);
    transform-origin: 0 50%;
    z-index: 9999;
    transition: transform .1s linear;
    box-shadow: 0 0 16px rgba(124,92,255,.6);
    pointer-events: none;
}
.scroll-progress::after {
    content: '';
    position: absolute;
    top: -6px;
    right: 0;
    width: 16px;
    height: 15px;
    background: radial-gradient(circle, #ff7ac9, transparent 70%);
    filter: blur(6px);
    opacity: .9;
    pointer-events: none;
}

.to-top {
    position: fixed;
    right: 26px;
    bottom: 26px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, #7c5cff, #ff7ac9);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(124,92,255,.5);
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px) scale(.9);
    transition: all var(--fx-dur-base) var(--fx-ease);
    z-index: 500;
}
.to-top.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}
.to-top:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 14px 40px rgba(124,92,255,.65);
}

/* ==================================================================
 * Hero
 * ================================================================== */
.home .home-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 120px 0 100px;
    overflow: hidden;
    isolation: isolate;
    background: var(--fx-bg-0);
}

.home .hero-canvas {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}
.home .hero-glow {
    position: absolute;
    inset: -10%;
    z-index: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(124,92,255,.28), transparent 55%),
        radial-gradient(circle at 80% 20%, rgba(255,122,201,.22), transparent 55%),
        radial-gradient(circle at 50% 90%, rgba(96,165,250,.22), transparent 60%);
    pointer-events: none;
    filter: blur(20px);
    animation: fx-glow-shift 20s ease-in-out infinite alternate;
    will-change: transform;
}
@keyframes fx-glow-shift {
    0%   { transform: translate(0,0) scale(1); }
    100% { transform: translate(-30px,-20px) scale(1.08); }
}
.home .hero-grid {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(to right, rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,.045) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent 85%);
            mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent 85%);
    will-change: transform;
}
.home .hero-noise {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: .035;
    background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
    mix-blend-mode: overlay;
}
.home .hero-cursor-glow {
    position: absolute;
    top: 0; left: 0;
    width: 520px;
    height: 520px;
    margin-left: -260px;
    margin-top: -260px;
    border-radius: 50%;
    background: radial-gradient(circle,
        rgba(124,92,255,.22), rgba(255,122,201,.08) 45%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity .5s var(--fx-ease);
    will-change: transform;
}
.home .home-hero:hover .hero-cursor-glow { opacity: 1; }

.home .home-hero > .container {
    position: relative;
    z-index: 2;
    text-align: center;
}

/* Badge */
.home .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 100px;
    background: rgba(255,255,255,.04);
    border: 1px solid var(--fx-border-2);
    font-size: 12.5px;
    font-weight: 500;
    color: var(--fx-text-2);
    letter-spacing: .04em;
    margin-bottom: 26px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.home .hero-badge-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 0 0 rgba(34,197,94,.7);
    animation: fx-pulse-green 2.4s infinite;
}
@keyframes fx-pulse-green {
    0%   { box-shadow: 0 0 0 0 rgba(34,197,94,.6); }
    70%  { box-shadow: 0 0 0 10px rgba(34,197,94,0); }
    100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

/* 标题 */
.home .hero-title {
    font-size: clamp(38px, 6.5vw, 78px);
    font-weight: 800;
    line-height: 1.06;
    letter-spacing: -.028em;
    margin: 0 0 24px;
    color: var(--fx-text-1);
    position: relative;
}
.home .hero-title-line,
.home .hero-title-accent,
.home .hero-title-caret {
    display: inline-block;
}
.home .hero-title-line { color: var(--fx-text-1); }
.home .hero-title-accent {
    background: linear-gradient(120deg,
        #7c5cff 0%, #b87cff 35%, #ff7ac9 70%, #7c5cff 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: fx-gradient-flow 6s linear infinite;
}
@keyframes fx-gradient-flow {
    0%   { background-position:   0% 0; }
    100% { background-position: 200% 0; }
}

.home .hero-title-caret {
    width: 3px;
    height: .95em;
    margin-left: 4px;
    background: linear-gradient(180deg, #b87cff, #ff7ac9);
    border-radius: 2px;
    vertical-align: -0.12em;
    animation: fx-caret-blink 1s steps(2) infinite;
}
@keyframes fx-caret-blink {
    0%, 50%   { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.home .hero-subtitle {
    max-width: 620px;
    margin: 0 auto 38px;
    font-size: 16px;
    line-height: 1.75;
    color: var(--fx-text-2);
}

/* Actions */
.home .hero-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 54px;
}

.home .btn-hero-primary {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 14px 28px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    background: linear-gradient(135deg, #7c5cff, #b87cff);
    box-shadow:
        0 12px 32px rgba(124,92,255,.4),
        0 0 0 1px rgba(255,255,255,.1) inset;
    overflow: hidden;
    transition: all var(--fx-dur-base) var(--fx-ease);
}
.home .btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow:
        0 18px 44px rgba(124,92,255,.55),
        0 0 0 1px rgba(255,255,255,.15) inset;
}
.home .btn-shine {
    position: absolute;
    top: 0; left: -60%;
    width: 60%;
    height: 100%;
    background: linear-gradient(120deg,
        transparent, rgba(255,255,255,.45), transparent);
    transform: skewX(-20deg);
    animation: fx-btn-shine 3.2s ease-in-out infinite;
}
.home .btn-hero-primary:hover .btn-shine {
    animation-duration: 1.2s;
}
@keyframes fx-btn-shine {
    0%        { left: -60%; }
    50%, 100% { left: 130%; }
}

.home .btn-hero-ghost {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 14px 26px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 600;
    color: var(--fx-text-1);
    text-decoration: none;
    background: rgba(255,255,255,.05);
    border: 1px solid var(--fx-border-2);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all var(--fx-dur-base) var(--fx-ease);
}
.home .btn-hero-ghost:hover {
    background: rgba(255,255,255,.09);
    border-color: rgba(255,255,255,.24);
    transform: translateY(-2px);
}

/* Stats */
.home .hero-stats {
    display: inline-flex;
    align-items: center;
    gap: 36px;
    padding: 20px 40px;
    background: rgba(255,255,255,.035);
    border: 1px solid var(--fx-border-1);
    border-radius: 22px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow:
        0 20px 60px rgba(0,0,0,.35),
        0 0 0 1px rgba(255,255,255,.05) inset;
}
.home .hero-stat {
    text-align: center;
    min-width: 90px;
}
.home .hero-stat-value {
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, #b87cff 100%);
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    letter-spacing: -.02em;
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
}
.home .hero-stat-label {
    font-size: 12px;
    color: var(--fx-text-3);
    margin-top: 8px;
    letter-spacing: .05em;
}
.home .hero-stat-divider {
    width: 1px;
    height: 36px;
    background: linear-gradient(180deg,
        transparent, rgba(255,255,255,.18), transparent);
}

/* Scroll hint */
.home .hero-scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--fx-text-3);
    font-size: 11px;
    letter-spacing: .2em;
    text-transform: uppercase;
    z-index: 2;
    animation: fx-float-y 2.6s ease-in-out infinite;
}
.home .hero-scroll-line {
    width: 1.5px;
    height: 36px;
    background: linear-gradient(180deg, rgba(255,255,255,.4), transparent);
    border-radius: 2px;
}
@keyframes fx-float-y {
    0%, 100% { transform: translate(-50%, 0); }
    50%      { transform: translate(-50%, 8px); }
}

/* ==================================================================
 * Section 通用
 * ================================================================== */
.home .section-head {
    text-align: center;
    margin-bottom: 56px;
}
.home .section-eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    color: var(--fx-brand-2);
    letter-spacing: .28em;
    text-transform: uppercase;
    margin-bottom: 14px;
    padding: 5px 14px;
    background: rgba(124,92,255,.1);
    border: 1px solid rgba(124,92,255,.22);
    border-radius: 100px;
}
.home .section-title {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    letter-spacing: -.025em;
    margin: 0 0 12px;
    color: var(--fx-text-1);
}
.home .section-sub {
    color: var(--fx-text-3);
    font-size: 15px;
    margin: 0;
    line-height: 1.7;
}

/* Section 背景 & 间距 */
.home .home-screenshots,
.home .home-tiers,
.home .home-updates,
.home .home-steps,
.home .home-faq,
.home .home-kook,
.home .home-cta {
    position: relative;
    padding: 100px 0;
    background: var(--fx-bg-0);
}
.home .home-screenshots { padding-top: 60px; }
.home .home-tiers       { background: linear-gradient(180deg, var(--fx-bg-0), rgba(124,92,255,.025), var(--fx-bg-0)); }
.home .home-steps       { background: linear-gradient(180deg, var(--fx-bg-0), rgba(255,122,201,.02), var(--fx-bg-0)); }
.home .home-cta         { padding-bottom: 140px; }

/* 首屏外区块懒渲染 */
.home .home-tiers,
.home .home-updates,
.home .home-steps,
.home .home-faq,
.home .home-kook,
.home .home-cta {
    content-visibility: auto;
    contain-intrinsic-size: 800px;
}

/* ==================================================================
 * 界面预览
 * ================================================================== */
.home .shots-carousel {
    position: relative;
    margin-top: 20px;
    padding: 0 60px;
}

.home .shots-track {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    padding: 20px 4px 30px;
    scrollbar-width: none;
    cursor: grab;
    user-select: none;
    -webkit-overflow-scrolling: touch;
    -webkit-user-select: none;
    touch-action: pan-y;
    scroll-behavior: auto;
}

.home .shots-track::-webkit-scrollbar { display: none; }
.home .shots-track.is-dragging {
    cursor: grabbing;
    scroll-behavior: auto;
    scroll-snap-type: none;
}

.home .shot-item {
    flex: 0 0 480px;
    margin: 0;
    border-radius: var(--fx-r-lg);
    overflow: hidden;
    position: relative;
    background: var(--fx-bg-2);
    border: 1px solid var(--fx-border-1);
    box-shadow: var(--fx-shadow-md);
    transition: transform .5s var(--fx-ease), box-shadow .5s var(--fx-ease);
    cursor: zoom-in;
    will-change: transform;
}

.home .shot-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 26px 60px rgba(0,0,0,.6), 0 0 0 1px rgba(124,92,255,.28);
}

.home .shot-img-wrap {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--fx-bg-1);
}
.home .shot-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .9s var(--fx-ease);
    position: relative;
    z-index: 2;
    -webkit-user-drag: none;
    user-select: none;
    pointer-events: auto;
}
.home .shot-item:hover .shot-img-wrap img { transform: scale(1.045); }

.home .shot-skeleton {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
        rgba(255,255,255,.02), rgba(255,255,255,.06), rgba(255,255,255,.02));
    background-size: 200% 100%;
    animation: fx-skeleton 1.6s ease-in-out infinite;
    z-index: 1;
    pointer-events: none;
}
@keyframes fx-skeleton {
    0%   { background-position:  200% 0; }
    100% { background-position: -200% 0; }
}

.home .shot-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
        transparent 55%, rgba(0,0,0,.6));
    opacity: 0;
    transition: opacity .4s ease;
    z-index: 3;
    pointer-events: none;
}
.home .shot-item:hover .shot-overlay { opacity: 1; }

.home .shot-zoom {
    position: absolute;
    bottom: 16px; right: 16px;
    width: 38px; height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,.15);
    border: 1px solid rgba(255,255,255,.28);
    backdrop-filter: blur(12px);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 4;
    opacity: 0;
    transform: translateY(8px);
    transition: all .4s var(--fx-ease);
    pointer-events: none;
}
.home .shot-item:hover .shot-zoom {
    opacity: 1;
    transform: translateY(0);
}

/* 导航按钮 */
.home .shots-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 46px; height: 46px;
    border-radius: 50%;
    border: 1px solid var(--fx-border-2);
    background: rgba(20,20,32,.8);
    backdrop-filter: blur(16px);
    color: var(--fx-text-1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all var(--fx-dur-base) var(--fx-ease);
}
.home .shots-nav:hover {
    background: linear-gradient(135deg, #7c5cff, #b87cff);
    border-color: transparent;
    transform: translateY(-50%) scale(1.08);
    box-shadow: 0 10px 26px rgba(124,92,255,.5);
}
.home .shots-nav-prev { left: 0; }
.home .shots-nav-next { right: 0; }
.home .shots-nav svg { width: 20px; height: 20px; }

/* 控制条 */
.home .shots-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-top: 12px;
}
.home .shots-auto-btn {
    width: 34px; height: 34px;
    border-radius: 50%;
    border: 1px solid var(--fx-border-2);
    background: rgba(255,255,255,.04);
    color: var(--fx-text-1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--fx-dur-fast) var(--fx-ease);
}
.home .shots-auto-btn:hover {
    background: rgba(124,92,255,.15);
    border-color: rgba(124,92,255,.4);
    color: var(--fx-brand-2);
}
.home .shots-indicator {
    display: flex;
    align-items: baseline;
    gap: 4px;
    font-variant-numeric: tabular-nums;
    font-size: 13px;
    color: var(--fx-text-3);
}
.home .shots-indicator-current {
    font-size: 18px;
    font-weight: 700;
    color: var(--fx-brand-2);
}
.home .shots-indicator-sep { opacity: .5; }

.home .shots-progress {
    max-width: 320px;
    height: 3px;
    margin: 30px auto 0;
    background: rgba(255,255,255,.06);
    border-radius: 100px;
    overflow: hidden;
}
.home .shots-progress-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #7c5cff, #ff7ac9);
    border-radius: 100px;
    transition: width .12s linear;
}

/* ==================================================================
 * 订阅等级
 * ================================================================== */
.home .tiers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    perspective: 1200px;
}

.home .tier-card {
    position: relative;
    padding: 36px 28px;
    border-radius: var(--fx-r-xl);
    background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.015));
    border: 1px solid var(--fx-border-1);
    overflow: hidden;
    transform-style: preserve-3d;
    transition: transform var(--fx-dur-base) var(--fx-ease),
                box-shadow .5s var(--fx-ease),
                border-color .4s ease;
    will-change: transform;
    box-shadow:
        0 1px 2px rgba(0,0,0,.3),
        0 8px 32px rgba(0,0,0,.28);
}
.home .tier-card:hover {
    border-color: var(--fx-border-2);
    box-shadow:
        0 2px 4px rgba(0,0,0,.35),
        0 20px 60px rgba(0,0,0,.55),
        0 0 0 1px var(--fx-card-accent, #7c5cff);
}

.home .tier-shine {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--fx-mx, 50%) var(--fx-my, 50%),
        rgba(255,255,255,.09), transparent 45%);
    opacity: 0;
    transition: opacity .4s ease;
    pointer-events: none;
    z-index: 1;
}
.home .tier-card:hover .tier-shine { opacity: 1; }

/* ★ 关键修复：排除 tier-badge，避免它的 position:absolute 被覆盖 */
.home .tier-card > *:not(.tier-shine):not(.tier-badge) {
    position: relative;
    z-index: 2;
}

.home .tier-icon {
    width: 58px;
    height: 58px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 22px;
    background: rgba(255,255,255,.05);
    border: 1px solid var(--fx-border-2);
}

.home .tier-name {
    font-size: 21px;
    font-weight: 700;
    margin: 0 0 10px;
    letter-spacing: -.01em;
    color: var(--fx-text-1);
}

.home .tier-price {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--fx-border-1);
}
.home .tier-price-num {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -.02em;
    color: var(--fx-text-1);
}
.home .tier-price-unit {
    font-size: 13px;
    color: var(--fx-text-3);
}

.home .tier-features {
    list-style: none;
    margin: 0 0 28px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 11px;
}
.home .tier-features li {
    font-size: 13.5px;
    color: var(--fx-text-2);
    padding-left: 22px;
    position: relative;
    line-height: 1.6;
}
.home .tier-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--fx-card-accent, #7c5cff);
    opacity: .22;
    box-shadow: inset 0 0 0 2px var(--fx-card-accent, #7c5cff);
}

.home .tier-btn {
    display: block;
    text-align: center;
    padding: 13px 20px;
    border-radius: 100px;
    font-size: 14.5px;
    font-weight: 700;
    text-decoration: none;
    color: #fff;
    background: var(--fx-card-accent, #7c5cff);
    transition: all var(--fx-dur-base) var(--fx-ease);
    letter-spacing: .02em;
    position: relative;
    overflow: hidden;
}
.home .tier-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg,
        transparent 30%, rgba(255,255,255,.35) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform .6s var(--fx-ease);
}
.home .tier-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 32px var(--fx-card-shadow, rgba(124,92,255,.5));
}
.home .tier-btn:hover::after { transform: translateX(100%); }

.home .tier-silver  { --fx-card-accent: #b8bcc8; --fx-card-shadow: rgba(184,188,200,.4); }
.home .tier-gold    { --fx-card-accent: #ffb020; --fx-card-shadow: rgba(255,176,32,.45); }
.home .tier-diamond { --fx-card-accent: #7c5cff; --fx-card-shadow: rgba(124,92,255,.5); }

.home .tier-gold {
    transform: scale(1.03);
    border-color: rgba(255,176,32,.35);
    box-shadow:
        0 0 0 1px rgba(255,176,32,.18),
        0 24px 60px rgba(255,176,32,.14);
}
.home .tier-gold:hover { transform: scale(1.03) translateY(-4px); }

.home .tier-diamond {
    border-color: rgba(124,92,255,.4);
    box-shadow:
        0 0 0 1px rgba(124,92,255,.22),
        0 24px 60px rgba(124,92,255,.16);
}

.home .tier-silver:hover {
    box-shadow:
        0 2px 4px rgba(0,0,0,.35),
        0 20px 60px rgba(0,0,0,.55),
        0 0 0 1px #b8bcc8;
}

/* ★ 推荐标签 - 现在真的是绝对定位了 */
.home .tier-badge {
    position: absolute;
    top: 18px;
    right: 18px;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .12em;
    color: #1a1400;
    background: linear-gradient(135deg, #ffd968, #ffb020);
    box-shadow: 0 6px 20px rgba(255,176,32,.45);
    z-index: 3;
    animation: fx-badge-pulse 2.4s ease-in-out infinite;
    pointer-events: none;
    white-space: nowrap;
}
@keyframes fx-badge-pulse {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.06); }
}

/* ==================================================================
 * 最近更新
 * ================================================================== */
.home .updates-layout {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 26px;
    align-items: stretch;
}

.home .updates-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 14px;
    aspect-ratio: 4/3.2;
}
.home .updates-gallery-main {
    grid-row: 1 / -1;
    border-radius: var(--fx-r-lg);
    overflow: hidden;
    position: relative;
    cursor: zoom-in;
    border: 1px solid var(--fx-border-1);
    background: var(--fx-bg-2);
    transition: all .4s var(--fx-ease);
}
.home .updates-gallery-main:hover {
    border-color: rgba(124,92,255,.35);
    box-shadow: 0 20px 50px rgba(0,0,0,.5);
}
.home .updates-gallery-thumb {
    border-radius: var(--fx-r-md);
    overflow: hidden;
    position: relative;
    cursor: zoom-in;
    border: 1px solid var(--fx-border-1);
    background: var(--fx-bg-2);
    transition: all .4s var(--fx-ease);
}
.home .updates-gallery-thumb:hover {
    border-color: rgba(124,92,255,.35);
    transform: translateY(-3px);
}
.home .updates-gallery img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .9s var(--fx-ease);
    -webkit-user-drag: none;
    user-select: none;
}
.home .updates-gallery-main:hover img { transform: scale(1.04); }
.home .updates-gallery-thumb:hover img { transform: scale(1.06); }

.home .updates-gallery-zoom {
    position: absolute;
    bottom: 14px; right: 14px;
    width: 38px; height: 38px;
    border-radius: 50%;
    background: rgba(0,0,0,.5);
    border: 1px solid rgba(255,255,255,.2);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    opacity: 0;
    transform: translateY(8px);
    transition: all var(--fx-dur-base) var(--fx-ease);
    pointer-events: none;
}
.home .updates-gallery-main:hover .updates-gallery-zoom {
    opacity: 1;
    transform: translateY(0);
}

.home .updates-log {
    background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.015));
    border: 1px solid var(--fx-border-1);
    border-radius: var(--fx-r-xl);
    padding: 32px 32px 26px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}
.home .updates-log::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent, rgba(124,92,255,.6), transparent);
}

.home .updates-log-header { margin-bottom: 22px; }

.home .update-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.home .update-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 0 0 rgba(34,197,94,.6);
    animation: fx-pulse-green 2.4s infinite;
}
.home .update-date {
    font-size: 12.5px;
    color: var(--fx-text-3);
    letter-spacing: .04em;
    font-variant-numeric: tabular-nums;
}
.home .update-badge {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .14em;
    color: #fff;
    padding: 3px 9px;
    border-radius: 100px;
    background: linear-gradient(135deg, #7c5cff, #ff7ac9);
}

.home .update-title {
    font-size: 22px;
    font-weight: 700;
    margin: 0;
    letter-spacing: -.015em;
    color: var(--fx-text-1);
}

.home .updates-log-body { flex: 1; overflow-y: auto; }

.home .update-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.home .update-item {
    display: flex;
    gap: 10px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--fx-text-2);
}
.home .update-item:first-child {
    color: var(--fx-text-1);
    font-weight: 500;
}
.home .update-item:first-child .update-bullet {
    color: #ffd968;
    text-shadow: 0 0 12px rgba(255,217,104,.6);
}
.home .update-bullet {
    color: var(--fx-brand-2);
    font-weight: 700;
    flex-shrink: 0;
}
.home .update-text { flex: 1; }

.home .updates-log-body::-webkit-scrollbar {
    width: 4px;
}
.home .updates-log-body::-webkit-scrollbar-thumb {
    background: rgba(124,92,255,.3);
    border-radius: 100px;
}
.home .updates-log-body::-webkit-scrollbar-thumb:hover {
    background: rgba(124,92,255,.5);
}

.home .updates-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 22px;
    padding-top: 20px;
    border-top: 1px solid var(--fx-border-1);
    font-size: 13.5px;
    font-weight: 600;
    color: var(--fx-brand-2);
    text-decoration: none;
    transition: gap var(--fx-dur-fast) var(--fx-ease);
}
.home .updates-more:hover { gap: 10px; }

/* ==================================================================
 * 使用步骤
 * ================================================================== */
.home .steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
    padding-top: 20px;
}
.home .steps-line {
    position: absolute;
    /* ★ 关键修复：对齐数字徽章中心（grid padding-top 20 + card padding-top 36 + 徽章半高 ~16） */
    top: 72px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: rgba(255,255,255,.05);
    border-radius: 2px;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}
.home .steps-line-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #7c5cff, #ff7ac9);
    border-radius: 2px;
    transition: width .3s linear;
    box-shadow: 0 0 10px rgba(124,92,255,.5);
}

.home .step-card {
    position: relative;
    z-index: 1;
    padding: 36px 26px 30px;
    border-radius: var(--fx-r-lg);
    background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.015));
    border: 1px solid var(--fx-border-1);
    text-align: center;
    transition: all .4s var(--fx-ease);
    will-change: transform;
}
.home .step-card:hover {
    transform: translateY(-6px);
    border-color: rgba(124,92,255,.3);
    box-shadow: 0 22px 50px rgba(0,0,0,.5), 0 0 0 1px rgba(124,92,255,.15);
}

.home .step-num {
    display: inline-block;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: .1em;
    color: var(--fx-brand-2);
    padding: 6px 16px;
    border-radius: 100px;
    background: rgba(124,92,255,.1);
    border: 1px solid rgba(124,92,255,.24);
    margin-bottom: 20px;
    font-variant-numeric: tabular-nums;
    /* 让线条看起来是从徽章下面穿过 */
    position: relative;
    background-color: #131522;
}
.home .step-title {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 10px;
    letter-spacing: -.01em;
    color: var(--fx-text-1);
}
.home .step-desc {
    font-size: 13.5px;
    color: var(--fx-text-3);
    line-height: 1.7;
    margin: 0;
}

/* ==================================================================
 * FAQ
 * ================================================================== */
.home .faq-list {
    max-width: 780px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.home .faq-item {
    border-radius: var(--fx-r-lg);
    background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.015));
    border: 1px solid var(--fx-border-1);
    overflow: hidden;
    transition: border-color .3s ease, background .3s ease;
}
.home .faq-item[open] {
    border-color: rgba(124,92,255,.32);
    background: linear-gradient(180deg, rgba(124,92,255,.06), rgba(124,92,255,.015));
}

.home .faq-item > summary {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 22px 26px;
    cursor: pointer;
    list-style: none;
    user-select: none;
    transition: background var(--fx-dur-fast) ease;
}
.home .faq-item > summary::-webkit-details-marker { display: none; }
.home .faq-item > summary:hover { background: rgba(255,255,255,.02); }

.home .faq-num {
    font-size: 13px;
    font-weight: 800;
    color: var(--fx-brand-2);
    letter-spacing: .1em;
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
}
.home .faq-q {
    flex: 1;
    font-size: 15.5px;
    font-weight: 600;
    color: var(--fx-text-1);
    letter-spacing: -.005em;
}
.home .faq-icon {
    position: relative;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}
.home .faq-icon::before,
.home .faq-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    background: var(--fx-text-2);
    border-radius: 2px;
    transform: translate(-50%, -50%);
    transition: all var(--fx-dur-base) var(--fx-ease);
}
.home .faq-icon::before { width: 14px; height: 2px; }
.home .faq-icon::after  { width: 2px; height: 14px; }
.home .faq-item[open] .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.home .faq-item[open] .faq-icon::before { background: var(--fx-brand-2); }

.home .faq-body {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows .4s var(--fx-ease);
}
.home .faq-item[open] .faq-body {
    grid-template-rows: 1fr;
}
.home .faq-body-inner {
    overflow: hidden;
    padding: 0 26px 24px 66px;
    font-size: 14.5px;
    line-height: 1.75;
    color: var(--fx-text-2);
    min-height: 0;
}

/* ==================================================================
 * KOOK
 * ================================================================== */
.home .kook-layout {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 26px;
    align-items: stretch;
}

.home .kook-card {
    position: relative;
    padding: 32px;
    border-radius: var(--fx-r-xl);
    background: linear-gradient(180deg, rgba(88,101,242,.14), rgba(88,101,242,.03));
    border: 1px solid rgba(88,101,242,.28);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(88,101,242,.14);
}
.home .kook-card-glow {
    position: absolute;
    top: -40%; right: -20%;
    width: 380px; height: 380px;
    background: radial-gradient(circle, rgba(88,101,242,.4), transparent 65%);
    filter: blur(40px);
    pointer-events: none;
    animation: fx-kook-glow 8s ease-in-out infinite alternate;
}
@keyframes fx-kook-glow {
    0%   { transform: translate(0,0) scale(1); }
    100% { transform: translate(-30px,20px) scale(1.15); }
}

.home .kook-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 26px;
    position: relative;
    z-index: 1;
}
.home .kook-icon-wrap {
    position: relative;
    flex-shrink: 0;
}
.home .kook-icon {
    width: 58px;
    height: 58px;
    border-radius: 16px;
    object-fit: cover;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.14);
    display: block;
}
.home .kook-icon-online {
    position: absolute;
    right: -2px; bottom: -2px;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: #22c55e;
    border: 3px solid #14172a;
    box-shadow: 0 0 12px rgba(34,197,94,.6);
}
.home .kook-meta { flex: 1; min-width: 0; }
.home .kook-name {
    font-size: 17px;
    font-weight: 700;
    margin: 0 0 6px;
    letter-spacing: -.005em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--fx-text-1);
}
.home .kook-id {
    font-size: 12px;
    color: var(--fx-text-3);
    letter-spacing: .03em;
    font-variant-numeric: tabular-nums;
}
.home .kook-id span { color: var(--fx-brand-2); font-weight: 600; }

.home .kook-stats {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 18px 20px;
    background: rgba(0,0,0,.22);
    border: 1px solid rgba(255,255,255,.06);
    border-radius: 16px;
    margin-bottom: 22px;
    position: relative;
    z-index: 1;
}
.home .kook-stat { text-align: center; flex: 1; }
.home .kook-stat-value {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    font-variant-numeric: tabular-nums;
    letter-spacing: -.02em;
}
.home .kook-stat-label {
    font-size: 11.5px;
    color: var(--fx-text-3);
    margin-top: 5px;
    letter-spacing: .04em;
}
.home .kook-stat-divider {
    width: 1px;
    height: 30px;
    background: rgba(255,255,255,.08);
}

.home .kook-join-btn {
    position: relative;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    border-radius: 16px;
    background: linear-gradient(135deg, #5865f2, #7c5cff);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    transition: all var(--fx-dur-base) var(--fx-ease);
    overflow: hidden;
    margin-top: auto;
    z-index: 1;
    box-shadow: 0 10px 32px rgba(88,101,242,.4);
}
.home .kook-join-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg,
        transparent 30%, rgba(255,255,255,.4) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform .8s var(--fx-ease);
}
.home .kook-join-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 44px rgba(88,101,242,.6);
}
.home .kook-join-btn:hover::before { transform: translateX(100%); }

.home .kook-join-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}
.home .kook-join-title { font-size: 14.5px; font-weight: 700; }
.home .kook-join-sub { font-size: 12px; opacity: .8; }
.home .kook-join-arrow { transition: transform .3s var(--fx-ease); }
.home .kook-join-btn:hover .kook-join-arrow { transform: translateX(4px); }

.home .kook-widget-box {
    border-radius: var(--fx-r-xl);
    overflow: hidden;
    border: 1px solid var(--fx-border-1);
    background: var(--fx-bg-1);
    display: flex;
    flex-direction: column;
    min-height: 500px;
}
.home .kook-widget-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--fx-text-2);
    background: rgba(255,255,255,.03);
    border-bottom: 1px solid var(--fx-border-1);
    letter-spacing: .04em;
}
.home .kook-widget-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 12px rgba(34,197,94,.6);
    animation: fx-pulse-green 2.4s infinite;
}
.home .kook-widget {
    flex: 1;
    border: none;
    display: block;
    min-height: 500px;
}

/* ==================================================================
 * 联系我们
 * ================================================================== */
.home .cta-box {
    position: relative;
    padding: 72px 40px 56px;
    border-radius: 32px;
    text-align: center;
    background:
        radial-gradient(circle at 50% 0%, rgba(124,92,255,.16), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.015));
    border: 1px solid var(--fx-border-1);
    overflow: hidden;
}
.home .cta-glow {
    position: absolute;
    top: -50%; left: 50%;
    transform: translateX(-50%);
    width: 700px; height: 400px;
    background: radial-gradient(circle, rgba(124,92,255,.28), transparent 60%);
    filter: blur(60px);
    pointer-events: none;
}

.home .cta-eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    color: var(--fx-brand-2);
    letter-spacing: .28em;
    text-transform: uppercase;
    margin-bottom: 16px;
    padding: 5px 14px;
    background: rgba(124,92,255,.1);
    border: 1px solid rgba(124,92,255,.24);
    border-radius: 100px;
    position: relative;
}
.home .cta-title {
    font-size: clamp(28px, 4.5vw, 46px);
    font-weight: 800;
    letter-spacing: -.025em;
    margin: 0 0 12px;
    position: relative;
    color: var(--fx-text-1);
}
.home .cta-sub {
    color: var(--fx-text-3);
    font-size: 15px;
    margin: 0 0 42px;
    position: relative;
}

.home .cta-contacts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    max-width: 780px;
    margin: 0 auto;
    position: relative;
}
.home .cta-contact {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    border-radius: 16px;
    background: rgba(255,255,255,.035);
    border: 1px solid var(--fx-border-1);
    text-decoration: none;
    color: var(--fx-text-1);
    transition: all var(--fx-dur-base) var(--fx-ease);
    text-align: left;
}
.home .cta-contact:hover {
    background: rgba(124,92,255,.09);
    border-color: rgba(124,92,255,.35);
    transform: translateY(-3px);
    box-shadow: 0 16px 36px rgba(124,92,255,.18);
}

.home .cta-contact-icon {
    width: 40px; height: 40px;
    border-radius: 12px;
    background: rgba(124,92,255,.14);
    border: 1px solid rgba(124,92,255,.22);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--fx-brand-2);
    flex-shrink: 0;
    transition: all var(--fx-dur-base) var(--fx-ease);
}
.home .cta-contact:hover .cta-contact-icon {
    background: linear-gradient(135deg, #7c5cff, #b87cff);
    color: #fff;
    border-color: transparent;
    transform: rotate(-6deg) scale(1.06);
}

.home .cta-contact-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.home .cta-contact-label {
    font-size: 11px;
    color: var(--fx-text-3);
    letter-spacing: .06em;
    text-transform: uppercase;
}
.home .cta-contact-value {
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ==================================================================
 * 灯箱
 * ================================================================== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}
.lightbox[hidden] { display: none; }

.lightbox::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(5,5,10,.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    animation: fx-fade-in .3s ease;
}
@keyframes fx-fade-in { from { opacity: 0; } to { opacity: 1; } }

.lightbox-content {
    position: relative;
    max-width: 92vw;
    max-height: 92vh;
    display: flex;
    flex-direction: column;
    gap: 14px;
    animation: fx-zoom-in var(--fx-dur-base) var(--fx-ease);
    z-index: 1;
}
@keyframes fx-zoom-in {
    from { opacity: 0; transform: scale(.94); }
    to   { opacity: 1; transform: scale(1); }
}

.lightbox-image-wrap {
    position: relative;
    max-width: 92vw;
    max-height: 76vh;
    border-radius: 16px;
    overflow: hidden;
    background: rgba(20,20,30,.6);
    box-shadow: 0 32px 100px rgba(0,0,0,.7);
}
.lightbox-image-wrap img {
    display: block;
    max-width: 92vw;
    max-height: 76vh;
    object-fit: contain;
}
.lightbox-skeleton {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
        rgba(255,255,255,.03), rgba(255,255,255,.08), rgba(255,255,255,.03));
    background-size: 200% 100%;
    animation: fx-skeleton 1.4s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
}
.lightbox-image-wrap.is-loaded .lightbox-skeleton { display: none; }

.lightbox-caption {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: rgba(255,255,255,.72);
    font-size: 13.5px;
    padding: 0 6px;
}
.lightbox-caption-title { font-weight: 600; }
.lightbox-caption-counter {
    font-variant-numeric: tabular-nums;
    color: rgba(255,255,255,.5);
}

.lightbox-thumbs {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 92vw;
}
.lightbox-thumb {
    width: 68px;
    height: 46px;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    background: rgba(255,255,255,.05);
    transition: all var(--fx-dur-base) var(--fx-ease);
    flex-shrink: 0;
    padding: 0;
    outline: none;
}
.lightbox-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.lightbox-thumb:hover {
    transform: translateY(-2px);
    border-color: rgba(255,255,255,.3);
}
.lightbox-thumb.is-active {
    transform: scale(1.12) translateY(-3px);
    border-color: #b87cff;
    box-shadow:
        0 0 0 2px rgba(124,92,255,.3),
        0 10px 24px rgba(124,92,255,.5);
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(255,255,255,.06);
    backdrop-filter: blur(14px);
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    z-index: 2;
    transition: all var(--fx-dur-base) var(--fx-ease);
    display: flex;
    align-items: center;
    justify-content: center;
}
.lightbox-close:hover {
    background: rgba(255,60,80,.85);
    border-color: transparent;
    transform: rotate(90deg);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(255,255,255,.06);
    backdrop-filter: blur(14px);
    color: #fff;
    cursor: pointer;
    z-index: 2;
    transition: all var(--fx-dur-base) var(--fx-ease);
    display: flex;
    align-items: center;
    justify-content: center;
}
.lightbox-nav:hover {
    background: linear-gradient(135deg, #7c5cff, #b87cff);
    border-color: transparent;
    transform: translateY(-50%) scale(1.08);
    box-shadow: 0 10px 30px rgba(124,92,255,.55);
}
.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

/* ==================================================================
 * 进场动画
 * ================================================================== */
.home [data-animate] {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity var(--fx-dur-reveal) var(--fx-ease),
        transform var(--fx-dur-reveal) var(--fx-ease);
    will-change: opacity, transform;
}
.home [data-animate="fade-up"].is-visible {
    opacity: 1;
    transform: none;
}

/* ==================================================================
 * 自定义滚动条
 * ================================================================== */
.home ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
.home ::-webkit-scrollbar-track {
    background: transparent;
}
.home ::-webkit-scrollbar-thumb {
    background: rgba(124,92,255,.35);
    border-radius: 100px;
}
.home ::-webkit-scrollbar-thumb:hover {
    background: rgba(124,92,255,.55);
}

/* ==================================================================
 * 焦点态
 * ================================================================== */
.home a:focus-visible,
.home button:focus-visible,
.home [data-tilt]:focus-visible {
    outline: 2px solid var(--fx-brand-2);
    outline-offset: 3px;
    border-radius: 8px;
}
.home .tier-btn:focus-visible,
.home .btn-hero-primary:focus-visible,
.home .btn-hero-ghost:focus-visible {
    outline-offset: 4px;
}

/* ==================================================================
 * @supports 渐进增强
 * ================================================================== */
@supports not (aspect-ratio: 1 / 1) {
    .home .shot-img-wrap {
        height: 300px;
    }
    .home .updates-gallery {
        min-height: 380px;
    }
}

@supports (backdrop-filter: blur(1px)) {
    .home .hero-badge,
    .home .hero-stats,
    .home .shots-nav,
    .home .shots-auto-btn {
        backdrop-filter: blur(20px) saturate(140%);
        -webkit-backdrop-filter: blur(20px) saturate(140%);
    }
}

/* ==================================================================
 * 响应式
 * ================================================================== */
@media (max-width: 1024px) {
    .home .tiers-grid,
    .home .steps-grid { grid-template-columns: 1fr; gap: 18px; }
    .home .tier-gold { transform: none; }
    .home .tier-gold:hover { transform: translateY(-4px); }
    .home .updates-layout,
    .home .kook-layout { grid-template-columns: 1fr; }
    .home .updates-gallery { aspect-ratio: 16/10; }
    .home .steps-line { display: none; }
}

@media (max-width: 720px) {
    .home .home-hero { min-height: auto; padding: 100px 0 80px; }
    .home .hero-stats {
        gap: 16px;
        padding: 16px 20px;
        flex-wrap: wrap;
    }
    .home .hero-stat { min-width: 72px; }
    .home .hero-stat-value { font-size: 22px; }

    .home .hero-title {
        font-size: clamp(32px, 9vw, 48px);
    }
    .home .hero-subtitle {
        font-size: 14.5px;
        margin-bottom: 32px;
    }
    .home .hero-badge { font-size: 11.5px; }

    .home .section-head { margin-bottom: 36px; }
    .home .section-title {
        font-size: clamp(24px, 6vw, 32px);
    }

    .home .shots-carousel { padding: 0 48px; }
    .home .shot-item { flex: 0 0 82%; }
    .home .shots-nav { width: 38px; height: 38px; }

    .home .tier-card { padding: 28px 22px; }
    .home .updates-log { padding: 24px 22px; }
    .home .update-title { font-size: 18px; }

    .home .cta-box { padding: 48px 22px 40px; }
    .home .cta-contacts { grid-template-columns: 1fr; }

    .home .step-num,
    .home .faq-num { font-size: 12px; }
    .home .faq-item > summary { padding: 18px 20px; }
    .home .faq-body-inner { padding: 0 20px 20px 54px; }

    .lightbox-thumbs { display: none; }
    .lightbox-prev { left: 12px; }
    .lightbox-next { right: 12px; }
    .lightbox-nav { width: 42px; height: 42px; }
    .lightbox-close { top: 14px; right: 14px; }

    .to-top { right: 16px; bottom: 16px; }
}

/* ==================================================================
 * 减少动效
 * ================================================================== */
@media (prefers-reduced-motion: reduce) {
    .home *,
    .home *::before,
    .home *::after,
    .lightbox,
    .lightbox *,
    .lightbox *::before,
    .lightbox *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
    }
    .home [data-animate] {
        opacity: 1 !important;
        transform: none !important;
    }
    .home .hero-canvas { display: none; }
    .scroll-progress,
    .scroll-progress::after { display: none; }
}