/* ==========================================================================
   小岛凪直播 - 主样式表
   设计风格：深色科技风 + 霓虹光效 + 玻璃拟态
   ========================================================================== */

/* ==================== 本地字体声明（替代 Google Fonts） ==================== */
/* Orbitron - 标题字体 */
@font-face {
    font-family: 'Orbitron';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('/fonts/orbitron-400.woff2') format('woff2');
}
@font-face {
    font-family: 'Orbitron';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('/fonts/orbitron-700.woff2') format('woff2');
}
@font-face {
    font-family: 'Orbitron';
    font-style: normal;
    font-weight: 900;
    font-display: swap;
    src: url('/fonts/orbitron-900.woff2') format('woff2');
}

/* Rajdhani - 数据字体 */
@font-face {
    font-family: 'Rajdhani';
    font-style: normal;
    font-weight: 300;
    font-display: swap;
    src: url('/fonts/rajdhani-300.woff2') format('woff2');
}
@font-face {
    font-family: 'Rajdhani';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('/fonts/rajdhani-400.woff2') format('woff2');
}
@font-face {
    font-family: 'Rajdhani';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('/fonts/rajdhani-500.woff2') format('woff2');
}
@font-face {
    font-family: 'Rajdhani';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('/fonts/rajdhani-600.woff2') format('woff2');
}
@font-face {
    font-family: 'Rajdhani';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('/fonts/rajdhani-700.woff2') format('woff2');
}

/* Noto Sans SC - 中文正文字体 */
@font-face {
    font-family: 'Noto Sans SC';
    font-style: normal;
    font-weight: 300;
    font-display: swap;
    src: url('/fonts/notosanssc-300.woff2') format('woff2');
}
@font-face {
    font-family: 'Noto Sans SC';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('/fonts/notosanssc-400.woff2') format('woff2');
}
@font-face {
    font-family: 'Noto Sans SC';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('/fonts/notosanssc-500.woff2') format('woff2');
}
@font-face {
    font-family: 'Noto Sans SC';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('/fonts/notosanssc-700.woff2') format('woff2');
}
@font-face {
    font-family: 'Noto Sans SC';
    font-style: normal;
    font-weight: 900;
    font-display: swap;
    src: url('/fonts/notosanssc-900.woff2') format('woff2');
}

/* ==================== CSS 变量定义 ==================== */
:root {
    /* 背景色 */
    --bg-primary: #0a0e1a;
    --bg-secondary: #0f1729;
    --bg-card: rgba(15, 23, 41, 0.6);
    --bg-card-hover: rgba(20, 30, 55, 0.8);

    /* 霓虹色 */
    --neon-cyan: #00f0ff;
    --neon-purple: #bf00ff;
    --neon-pink: #ff0080;
    --neon-blue: #0080ff;

    /* 文字色 */
    --text-primary: #ffffff;
    --text-secondary: #8b9bb4;
    --text-tertiary: #5a6a85;

    /* 边框 */
    --border-color: rgba(0, 240, 255, 0.2);
    --border-hover: rgba(0, 240, 255, 0.5);

    /* 渐变 */
    --gradient-cyan-purple: linear-gradient(135deg, #00f0ff 0%, #bf00ff 100%);
    --gradient-pink-purple: linear-gradient(135deg, #ff0080 0%, #bf00ff 100%);
    --gradient-cyan-blue: linear-gradient(135deg, #00f0ff 0%, #0080ff 100%);

    /* 阴影 */
    --shadow-neon-cyan: 0 0 20px rgba(0, 240, 255, 0.4);
    --shadow-neon-purple: 0 0 20px rgba(191, 0, 255, 0.4);
    --shadow-neon-pink: 0 0 20px rgba(255, 0, 128, 0.4);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);

    /* 字体 */
    --font-display: 'Orbitron', sans-serif;
    --font-data: 'Rajdhani', sans-serif;
    --font-body: 'Noto Sans SC', sans-serif;

    /* 间距 */
    --section-padding: 100px 0;
    --container-max: 1400px;

    /* 过渡 */
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ==================== 全局重置 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: auto;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    cursor: none;
    /* 全局禁用文本选择，防止拖拽滚动时触发原生拖拽行为中断 mousemove */
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
}

/* 输入框允许文本选择 */
input, textarea {
    user-select: text;
    -webkit-user-select: text;
}

/* 图片禁止原生拖拽 */
img {
    -webkit-user-drag: none;
    user-select: none;
}

/* 全局隐藏原生鼠标指针，由装饰光环接管 */
body, body * {
    cursor: none !important;
}

/* ==================== 容器 ==================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 2;
}

/* ==================== 全局背景纹理 ==================== */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 0;
    pointer-events: none;
}

.bg-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    z-index: 0;
    pointer-events: none;
}

.bg-glow-1 {
    background: var(--neon-cyan);
    top: 10%;
    right: -10%;
    animation: float-glow 20s ease-in-out infinite;
}

.bg-glow-2 {
    background: var(--neon-purple);
    bottom: 10%;
    left: -10%;
    animation: float-glow 25s ease-in-out infinite reverse;
}

/* ==================== 自定义光标系统 ==================== */
/* 中心实心点：无延迟跟手，精准定位 */
.cursor-dot {
    position: fixed;
    top: 0;
    left: 0;
    width: 6px;
    height: 6px;
    background: var(--neon-cyan);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99999;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 8px var(--neon-cyan), 0 0 16px rgba(0, 240, 255, 0.6);
    will-change: left, top;
}

/* 外层旋转渐变光环：延迟跟随，科技感 */
.cursor-ring {
    position: fixed;
    top: 0;
    left: 0;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 99998;
    transform: translate(-50%, -50%);
    /* 旋转的渐变光环：用 conic-gradient + mask 做出空心圆环 */
    background: conic-gradient(
        from 0deg,
        transparent 0%,
        var(--neon-cyan) 15%,
        var(--neon-purple) 40%,
        transparent 60%,
        transparent 100%
    );
    -webkit-mask: radial-gradient(circle, transparent 58%, black 60%, black 100%);
    mask: radial-gradient(circle, transparent 58%, black 60%, black 100%);
    animation: cursor-spin 2.5s linear infinite;
    opacity: 0.85;
    transition: width 0.3s ease, height 0.3s ease, opacity 0.3s ease;
    will-change: left, top, width, height;
}

@keyframes cursor-spin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to   { transform: translate(-50%, -50%) rotate(360deg); }
}

/* 悬停可交互元素：光环放大，中心点变色 */
body.cursor-hover .cursor-dot {
    background: var(--neon-purple);
    box-shadow: 0 0 10px var(--neon-purple), 0 0 20px rgba(191, 0, 255, 0.6);
}

body.cursor-hover .cursor-ring {
    width: 52px;
    height: 52px;
    background: conic-gradient(
        from 0deg,
        transparent 0%,
        var(--neon-purple) 20%,
        var(--neon-pink) 50%,
        transparent 70%,
        transparent 100%
    );
    opacity: 1;
}

/* 点击波纹 */
.cursor-ripple {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    border: 2px solid var(--neon-cyan);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99997;
    transform: translate(-50%, -50%);
    opacity: 0;
}

.cursor-ripple.active {
    animation: ripple-burst 0.6s ease-out forwards;
}

@keyframes ripple-burst {
    0%   { width: 0;    height: 0;    opacity: 0.8; border-width: 2px; }
    100% { width: 80px; height: 80px; opacity: 0;   border-width: 1px; }
}

/* 拖拽中：光环变粉色，保持旋转 */
body.dragging {
    user-select: none;
}

body.dragging * {
    user-select: none !important;
}

body.dragging .cursor-ring {
    width: 44px;
    height: 44px;
    background: conic-gradient(
        from 0deg,
        transparent 0%,
        var(--neon-pink) 20%,
        var(--neon-purple) 50%,
        transparent 70%,
        transparent 100%
    );
    opacity: 1;
}

body.dragging .cursor-dot {
    background: var(--neon-pink);
    box-shadow: 0 0 10px var(--neon-pink), 0 0 20px rgba(255, 0, 128, 0.6);
}

/* ==================== 通用按钮 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 1px;
    border: none;
    border-radius: 4px;
    cursor: none;
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-cyan-purple);
    color: #fff;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.4), 0 0 40px rgba(191, 0, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.6), 0 0 60px rgba(191, 0, 255, 0.4);
}

.btn-premium {
    background: var(--gradient-pink-purple);
    color: #fff;
    box-shadow: 0 0 20px rgba(255, 0, 128, 0.4), 0 0 40px rgba(191, 0, 255, 0.2);
}

.btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(255, 0, 128, 0.6), 0 0 60px rgba(191, 0, 255, 0.4);
}

.btn-auto {
    background: var(--gradient-cyan-blue);
    color: #fff;
    box-shadow: 0 0 20px rgba(0, 128, 255, 0.4), 0 0 40px rgba(0, 240, 255, 0.2);
}

.btn-auto:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 128, 255, 0.6), 0 0 60px rgba(0, 240, 255, 0.4);
}

.btn-cyan {
    background: linear-gradient(135deg, #00f0ff 0%, #0080ff 100%);
    color: #fff;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.4), 0 0 40px rgba(0, 128, 255, 0.2);
}

.btn-cyan:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.6), 0 0 60px rgba(0, 128, 255, 0.4);
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-color);
}

.btn-ghost:hover {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--neon-cyan);
    border: 1.5px solid var(--neon-cyan);
}

.btn-outline:hover {
    background: rgba(0, 240, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}

.btn-block {
    width: 100%;
}

.btn-submit {
    padding: 16px 32px;
    font-size: 16px;
}

/* ==================== 区块标题 ==================== */
section {
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-data);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--neon-cyan);
    padding: 6px 16px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    margin-bottom: 20px;
    background: rgba(0, 240, 255, 0.05);
}

.section-title {
    font-family: var(--font-body);
    font-size: 42px;
    font-weight: 900;
    margin-bottom: 16px;
    background: var(--gradient-cyan-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.5));
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-sub {
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 3px;
    color: var(--neon-cyan);
    margin-top: 3px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-link {
    display: inline-block;
    padding: 8px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: 4px;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--neon-cyan);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1px;
    background: var(--neon-cyan);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 60%;
}

.nav-cta {
    background: var(--gradient-cyan-purple);
    color: #fff !important;
    padding: 10px 24px;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
}

.nav-cta:hover {
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
    transform: translateY(-1px);
}

.nav-cta::after {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: none;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==================== 英雄区 ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 60px;
}

#particleCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at center, transparent 0%, var(--bg-primary) 80%),
        linear-gradient(180deg, transparent 60%, var(--bg-primary) 100%);
    z-index: 2;
}

.hero-content {
    text-align: center;
    z-index: 3;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    font-size: 13px;
    color: var(--neon-cyan);
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--neon-cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--neon-cyan);
    animation: pulse-dot 2s infinite;
}

.hero-title {
    font-family: var(--font-body);
    font-size: 72px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 28px;
    letter-spacing: -2px;
}

.title-line {
    display: inline-block;
    margin: 0 8px;
}

.title-gradient {
    background: var(--gradient-cyan-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(0, 240, 255, 0.3);
}

.hero-desc {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 64px;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    padding: 24px 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    max-width: fit-content;
    margin: 0 auto;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-stat-num {
    font-family: var(--font-data);
    font-size: 40px;
    font-weight: 700;
    color: var(--neon-cyan);
    line-height: 1;
    display: inline-block;
}

.hero-stat-plus {
    font-family: var(--font-data);
    font-size: 24px;
    font-weight: 600;
    color: var(--neon-cyan);
    margin-left: 2px;
}

.hero-stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 8px;
    letter-spacing: 1px;
}

.hero-stat-divider {
    width: 1px;
    height: 50px;
    background: var(--border-color);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 3;
}

.scroll-text {
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-tertiary);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    position: absolute;
    top: 6px;
    left: 50%;
    width: 4px;
    height: 8px;
    background: var(--neon-cyan);
    border-radius: 2px;
    transform: translateX(-50%);
    animation: scroll-wheel 2s infinite;
}

/* ==================== 数据展示区 ==================== */
.stats-section {
    background: var(--bg-primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 36px 28px;
    text-align: center;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--gradient-cyan-purple);
    opacity: 0;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-card), var(--shadow-neon-cyan);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    color: var(--neon-cyan);
    transition: var(--transition);
}

.stat-icon svg {
    width: 28px;
    height: 28px;
}

.stat-card:hover .stat-icon {
    background: rgba(0, 240, 255, 0.15);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
    transform: scale(1.05);
}

.stat-value {
    font-family: var(--font-data);
    font-size: 48px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 8px;
    display: flex;
    align-items: baseline;
    justify-content: center;
}

.stat-num {
    background: var(--gradient-cyan-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-unit {
    font-size: 24px;
    color: var(--neon-cyan);
    margin-left: 4px;
}

.stat-label {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.stat-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ==================== 核心服务区 ==================== */
.services-section {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: 28px;
    justify-content: center;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 32px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(0, 240, 255, 0.05) 100%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-card), 0 0 40px rgba(0, 240, 255, 0.2);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card-featured {
    border-color: rgba(191, 0, 255, 0.3);
    background: linear-gradient(180deg, rgba(191, 0, 255, 0.05) 0%, var(--bg-card) 100%);
}

.service-card-featured:hover {
    box-shadow: var(--shadow-card), 0 0 40px rgba(191, 0, 255, 0.3);
}

.service-number {
    position: absolute;
    top: 24px;
    right: 28px;
    font-family: var(--font-display);
    font-size: 64px;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.04);
    line-height: 1;
}

.service-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-icon svg {
    width: 36px;
    height: 36px;
}

.service-icon-cyan {
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.3);
    color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.service-icon-purple {
    background: rgba(191, 0, 255, 0.1);
    border: 1px solid rgba(191, 0, 255, 0.3);
    color: var(--neon-purple);
    box-shadow: 0 0 20px rgba(191, 0, 255, 0.2);
}

.service-icon-pink {
    background: rgba(255, 0, 128, 0.1);
    border: 1px solid rgba(255, 0, 128, 0.3);
    color: var(--neon-pink);
    box-shadow: 0 0 20px rgba(255, 0, 128, 0.2);
}

.service-icon-blue {
    background: rgba(0, 128, 255, 0.1);
    border: 1px solid rgba(0, 128, 255, 0.3);
    color: var(--neon-blue);
    box-shadow: 0 0 20px rgba(0, 128, 255, 0.2);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(-5deg);
}

.service-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.service-subtitle {
    font-family: var(--font-data);
    font-size: 14px;
    color: var(--neon-cyan);
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.service-card-featured .service-subtitle {
    color: var(--neon-purple);
}

.service-card:nth-child(3) .service-subtitle {
    color: var(--neon-pink);
}

.service-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.service-features {
    list-style: none;
    margin-bottom: 28px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-primary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.service-features li:last-child {
    border-bottom: none;
}

.feature-dot {
    width: 6px;
    height: 6px;
    background: var(--neon-cyan);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--neon-cyan);
    flex-shrink: 0;
}

.service-card-featured .feature-dot {
    background: var(--neon-purple);
    box-shadow: 0 0 8px var(--neon-purple);
}

.service-card:nth-child(3) .feature-dot {
    background: var(--neon-pink);
    box-shadow: 0 0 8px var(--neon-pink);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--neon-cyan);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.service-card-featured .service-link {
    color: var(--neon-purple);
}

.service-card:nth-child(3) .service-link {
    color: var(--neon-pink);
}

.service-link:hover {
    gap: 14px;
}

/* ==================== 价格套餐区 ==================== */
.pricing-section {
    background: var(--bg-primary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: 28px;
    align-items: stretch;
    justify-content: center;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 32px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-card);
}

.pricing-card-popular {
    border-color: var(--neon-cyan);
    background: linear-gradient(180deg, rgba(0, 240, 255, 0.08) 0%, var(--bg-card) 100%);
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.15);
    transform: scale(1.03);
}

.pricing-card-popular:hover {
    transform: scale(1.03) translateY(-8px);
    box-shadow: 0 0 50px rgba(0, 240, 255, 0.3);
}

.pricing-card-premium {
    border-color: var(--neon-pink);
    background: linear-gradient(180deg, rgba(255, 0, 128, 0.08) 0%, var(--bg-card) 100%);
    box-shadow: 0 0 40px rgba(255, 0, 128, 0.15);
}

.pricing-card-premium:hover {
    box-shadow: 0 0 50px rgba(255, 0, 128, 0.3);
}

.popular-badge,
.premium-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    white-space: nowrap;
}

.popular-badge {
    background: var(--gradient-cyan-purple);
    color: #fff;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}

.premium-badge {
    background: var(--gradient-pink-purple);
    color: #fff;
    box-shadow: 0 0 20px rgba(255, 0, 128, 0.4);
}

.pricing-card-auto {
    border-color: var(--neon-blue);
    background: linear-gradient(180deg, rgba(0, 128, 255, 0.08) 0%, var(--bg-card) 100%);
    box-shadow: 0 0 40px rgba(0, 128, 255, 0.15);
}

.pricing-card-auto:hover {
    box-shadow: 0 0 50px rgba(0, 128, 255, 0.3);
    transform: translateY(-8px);
}

.auto-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    white-space: nowrap;
    background: var(--gradient-cyan-blue);
    color: #fff;
    box-shadow: 0 0 20px rgba(0, 128, 255, 0.4);
}

.pricing-card-auto .price-amount {
    background: var(--gradient-cyan-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-card-auto .check-icon {
    background: var(--neon-blue);
    box-shadow: 0 0 8px rgba(0, 128, 255, 0.5);
}

.pricing-header {
    margin-bottom: 24px;
}

.pricing-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.pricing-tagline {
    font-size: 14px;
    color: var(--text-secondary);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    margin-bottom: 16px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.price-currency {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-right: 4px;
}

.price-amount {
    font-family: var(--font-data);
    font-size: 56px;
    font-weight: 700;
    background: var(--gradient-cyan-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.pricing-card-premium .price-amount {
    background: var(--gradient-pink-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    font-size: 16px;
    color: var(--text-secondary);
    margin-left: 8px;
}

.pricing-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 28px;
    flex: 1;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    font-size: 14px;
    color: var(--text-primary);
}

.check-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 2px;
    background: var(--neon-cyan);
    border-radius: 50%;
    position: relative;
    box-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
}

.check-icon::after {
    content: '';
    position: absolute;
    top: 5px;
    left: 6px;
    width: 5px;
    height: 9px;
    border-right: 2px solid var(--bg-primary);
    border-bottom: 2px solid var(--bg-primary);
    transform: rotate(45deg);
}

.pricing-card-premium .check-icon {
    background: var(--neon-pink);
    box-shadow: 0 0 8px rgba(255, 0, 128, 0.5);
}

.pricing-note {
    text-align: center;
    color: var(--text-tertiary);
    font-size: 13px;
    margin-top: 40px;
}

/* ==================== 案例展示区 ==================== */
.cases-section {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.case-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: none;
    aspect-ratio: 4 / 3;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.case-item:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-card), 0 0 30px rgba(0, 240, 255, 0.2);
    transform: translateY(-4px);
}

.case-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.case-item:hover img {
    transform: scale(1.08);
}

.case-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(10, 14, 26, 0.95) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: var(--transition);
}

.case-item:hover .case-overlay {
    opacity: 1;
}

.case-tag {
    display: inline-block;
    width: fit-content;
    padding: 4px 12px;
    background: rgba(0, 240, 255, 0.15);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 11px;
    color: var(--neon-cyan);
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.case-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.case-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ==================== 视频教程区 ==================== */
.tutorial-section {
    background: var(--bg-primary);
}

.tutorial-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

.tutorial-player {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: #000;
    border: 1px solid var(--border-color);
    aspect-ratio: 16 / 9;
}

.tutorial-player video {
    width: 100%;
    height: 100%;
    display: block;
}

.tutorial-cover {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        linear-gradient(135deg, rgba(0, 240, 255, 0.1) 0%, rgba(191, 0, 255, 0.1) 100%),
        var(--bg-secondary);
    z-index: 2;
    transition: opacity 0.4s;
}

.tutorial-cover.hidden {
    opacity: 0;
    pointer-events: none;
}

.cover-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at center, transparent 0%, rgba(10, 14, 26, 0.7) 100%);
}

.play-button {
    position: relative;
    z-index: 2;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-cyan-purple);
    border: none;
    cursor: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.5), 0 0 60px rgba(191, 0, 255, 0.3);
    transition: var(--transition);
    animation: pulse-play 2.5s infinite;
}

.play-button svg {
    width: 32px;
    height: 32px;
    margin-left: 4px;
}

.play-button:hover {
    transform: scale(1.1);
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.7), 0 0 80px rgba(191, 0, 255, 0.5);
}

.cover-info {
    position: absolute;
    bottom: 30px;
    left: 30px;
    right: 30px;
    z-index: 2;
    text-align: center;
}

.cover-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(0, 240, 255, 0.15);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 12px;
    color: var(--neon-cyan);
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.cover-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.cover-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

.tutorial-list {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.tutorial-list-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.tutorial-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 12px;
    border-radius: 10px;
    cursor: none;
    transition: var(--transition);
    margin-bottom: 8px;
}

.tutorial-item:hover {
    background: rgba(0, 240, 255, 0.05);
}

.tutorial-item.active {
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid var(--border-color);
}

.tutorial-num {
    font-family: var(--font-data);
    font-size: 18px;
    font-weight: 700;
    color: var(--neon-cyan);
    width: 32px;
    flex-shrink: 0;
}

.tutorial-info {
    flex: 1;
    min-width: 0;
}

.tutorial-info h4 {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tutorial-info p {
    font-size: 12px;
    color: var(--text-secondary);
}

.tutorial-duration {
    font-size: 11px;
    color: var(--text-tertiary);
    background: rgba(255, 255, 255, 0.05);
    padding: 3px 8px;
    border-radius: 8px;
    white-space: nowrap;
    flex-shrink: 0;
}

.tutorial-item.active .tutorial-duration {
    color: var(--neon-cyan);
    background: rgba(0, 240, 255, 0.1);
}

/* ==================== 关于我们区 ==================== */
.about-section {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-headline {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 24px;
    background: var(--gradient-cyan-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-text {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 20px;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 36px;
}

.value-item {
    text-align: center;
    padding: 24px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    transition: var(--transition);
}

.value-item:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-neon-cyan);
}

.value-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 240, 255, 0.1);
    border-radius: 12px;
    color: var(--neon-cyan);
}

.value-icon svg {
    width: 24px;
    height: 24px;
}

.value-item h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.value-item p {
    font-size: 12px;
    color: var(--text-secondary);
}

.about-timeline {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 36px 32px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.timeline-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 28px;
}

.timeline {
    position: relative;
    padding-left: 24px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 5px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: linear-gradient(180deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
}

.timeline-item {
    position: relative;
    padding-bottom: 28px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -24px;
    top: 6px;
    width: 11px;
    height: 11px;
    background: var(--neon-cyan);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--neon-cyan);
    border: 2px solid var(--bg-primary);
}

.timeline-date {
    font-family: var(--font-data);
    font-size: 16px;
    font-weight: 700;
    color: var(--neon-cyan);
    margin-bottom: 4px;
}

.timeline-content h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.timeline-content p {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ==================== 联系咨询区 ==================== */
.contact-section {
    background: var(--bg-primary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
}

.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.required {
    color: var(--neon-pink);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: rgba(10, 14, 26, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    transition: var(--transition);
    cursor: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1), 0 0 20px rgba(0, 240, 255, 0.2);
    background: rgba(10, 14, 26, 0.8);
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2300f0ff' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-group select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    font-family: var(--font-body);
}

.form-tip {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 12px;
    text-align: center;
}

.contact-info-wrapper {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 36px 32px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex: 1;
}

.info-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.info-item:last-child {
    border-bottom: none;
}

.info-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--neon-cyan);
    flex-shrink: 0;
}

.info-icon svg {
    width: 22px;
    height: 22px;
}

.info-content {
    display: flex;
    flex-direction: column;
}

.info-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.info-value {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
}

.qr-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 28px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    text-align: center;
}

.qr-placeholder {
    width: 160px;
    height: 160px;
    margin: 0 auto 16px;
    background: rgba(0, 240, 255, 0.05);
    border: 1px dashed var(--border-color);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    gap: 4px;
}

.qr-placeholder p {
    font-size: 12px;
}

.qr-tip {
    color: var(--neon-cyan) !important;
}

.qr-text {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 24px;
    position: relative;
    z-index: 1;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 320px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 10px;
}

.footer-col a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--neon-cyan);
    text-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
}

.footer-col li:not(:has(a)) {
    color: var(--text-secondary);
    font-size: 13px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 12px;
    color: var(--text-tertiary);
}

.footer-bottom a {
    color: var(--text-tertiary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-bottom a:hover {
    color: var(--neon-cyan);
}

/* ==================== Lightbox ==================== */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.lightbox.active {
    display: flex;
    animation: fade-in 0.3s ease;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 0 60px rgba(0, 240, 255, 0.3);
    border: 1px solid var(--border-color);
}

.lightbox-content img {
    display: block;
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--border-color);
    color: var(--neon-cyan);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: none;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.lightbox-close svg,
.lightbox-prev svg,
.lightbox-next svg {
    width: 22px;
    height: 22px;
}

.lightbox-close {
    top: 30px;
    right: 30px;
}

.lightbox-prev {
    left: 30px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(0, 240, 255, 0.25);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
}

/* ==================== Toast 提示 ==================== */
.toast {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%) translateY(120%);
    background: var(--bg-card);
    border: 1px solid var(--neon-cyan);
    color: var(--text-primary);
    padding: 16px 28px;
    border-radius: 12px;
    font-size: 14px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.3);
    z-index: 10001;
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                opacity 0.3s ease,
                visibility 0.3s ease;
    pointer-events: none;
    max-width: 90%;
    opacity: 0;
    visibility: hidden;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

.toast.success {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.3);
}

.toast.error {
    border-color: var(--neon-pink);
    box-shadow: 0 0 30px rgba(255, 0, 128, 0.3);
}

/* ==================== 滚动条 ==================== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-cyan), var(--neon-purple));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--neon-cyan), var(--neon-pink));
}

/* ==================== 选中文本 ==================== */
::selection {
    background: rgba(0, 240, 255, 0.3);
    color: var(--text-primary);
}