/*
Theme Name: FA Audio Studio Theme
Theme URI: https://github.com/your-username/fa-audio-theme
Description: 2026 极客暗黑声学科技感 Typecho 主题，支持高仿真交互式 DSP 仪表盘与全屏 Canvas 声学网格。
Author: FA & Antigravity
Version: 1.0.0
*/

/* 2026年顶奢极客声学设计系统 - 一眼牛逼版 */
:root {
    --bg-color: #030407;
    --card-bg: rgba(8, 10, 15, 0.7);
    --card-border: rgba(255, 255, 255, 0.04);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-cyan: #00f2fe;
    --accent-purple: #8b5cf6;
    --accent-glow: rgba(0, 242, 254, 0.18);
    --accent-purple-glow: rgba(139, 92, 246, 0.18);
    --font-display: 'Space Grotesk', 'Noto Sans SC', sans-serif;
    --font-tech: 'Orbitron', monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-display);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    cursor: default;
}

/* 自定义微型荧光鼠标跟随时滞光环 */
#custom-cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 242, 254, 0.07) 0%, rgba(139, 92, 246, 0.03) 40%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
    will-change: transform;
}

/* 1. 会动的背景纹理与流光系统 */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    pointer-events: none;
}

/* 动态电影级胶片噪点 */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.038;
    pointer-events: none;
    z-index: 999;
    animation: noise-jitter 0.12s steps(2) infinite;
}

@keyframes noise-jitter {
    0% { transform: translate(0, 0); }
    10% { transform: translate(-0.5%, -0.5%); }
    20% { transform: translate(0.5%, 1%); }
    30% { transform: translate(-1%, -1%); }
    40% { transform: translate(0.5%, 1.5%); }
    50% { transform: translate(-0.5%, 0.5%); }
    60% { transform: translate(1%, -0.5%); }
    70% { transform: translate(-1%, 0.5%); }
    80% { transform: translate(0.5%, -1%); }
    90% { transform: translate(-0.5%, 1.5%); }
    100% { transform: translate(0, 0); }
}

/* 背景渐变漫反射光晕 */
.ambient-light-1 {
    position: fixed;
    top: -15%;
    left: 15%;
    width: 900px;
    height: 900px;
    background: radial-gradient(circle, var(--accent-purple-glow) 0%, transparent 70%);
    z-index: -1;
    filter: blur(140px);
    pointer-events: none;
}

.ambient-light-2 {
    position: fixed;
    bottom: -10%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    z-index: -1;
    filter: blur(140px);
    pointer-events: none;
}

/* 顶部导航 */
header {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 3.5rem 2rem 1.5rem 2rem;
    position: relative;
    z-index: 10;
}

.logo-container {
    width: 95px;
    height: 95px;
    margin-bottom: 1.2rem;
    cursor: pointer;
    position: relative;
}

.logo-circle-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    filter: blur(22px);
    opacity: 0.5;
    transition: opacity 0.5s ease;
}

.logo-box {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: #06070c;
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.logo-svg {
    width: 50px;
    height: 50px;
    fill: none;
    stroke: url(#logo-gradient);
    stroke-width: 3;
    stroke-linecap: round;
}

.logo-container:hover .logo-box {
    transform: scale(1.05) rotate(360deg);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 30px rgba(0, 242, 254, 0.3);
}

.logo-container:hover .logo-circle-glow {
    opacity: 0.8;
}

h1.site-title {
    font-size: 2.4rem;
    font-weight: 900;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    background: linear-gradient(to right, #ffffff 20%, #a5b4fc 50%, #ffffff 80%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.4rem;
    font-family: var(--font-tech);
    animation: text-shine 6s linear infinite;
}

@keyframes text-shine {
    to { background-position: 200% center; }
}

.site-subtitle {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.6em;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 2.5rem;
    text-indent: 0.6em;
}

nav.nav-bar {
    position: relative;
    width: 100%;
    max-width: 1344px;
    margin: 0 auto;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    border-radius: 0;
    padding: 1.5rem 0;
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    box-shadow: none;
}

nav.nav-bar::before,
nav.nav-bar::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.1) 10%, 
        rgba(0, 242, 254, 0.65) 45%, 
        rgba(139, 92, 246, 0.65) 55%, 
        rgba(255, 255, 255, 0.1) 90%, 
        transparent 100%
    );
    pointer-events: none;
}

nav.nav-bar::before {
    top: 0;
}

nav.nav-bar::after {
    bottom: 0;
}

nav.nav-bar a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    padding: 0.4rem 1.2rem;
    border-radius: 100px;
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid transparent;
}

nav.nav-bar a:hover, nav.nav-bar a.active {
    color: var(--text-primary);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.4);
}

nav.nav-bar a.active {
    color: var(--accent-cyan);
    background: rgba(0, 242, 254, 0.05);
    box-shadow: inset 0 0 12px rgba(0, 242, 254, 0.15);
    border: 1px solid rgba(0, 242, 254, 0.2);
}

/* 主体布局 */
main.main-content {
    max-width: 1440px;
    margin: 0 auto;
    padding: 4rem 3rem 8rem 3rem;
    position: relative;
    z-index: 10;
}

/* 大气的分栏 Hero 展示区 */
.hero-container {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 5rem;
    align-items: center;
    margin-bottom: 6rem;
    min-height: 580px;
}

.hero-left {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-tag {
    font-family: var(--font-tech);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 242, 254, 0.2);
    padding: 0.4rem 1.2rem;
    border-radius: 100px;
    background: rgba(0, 242, 254, 0.03);
    margin-bottom: 1.8rem;
    box-shadow: 0 0 20px rgba(0, 242, 254, 0.05);
    position: relative;
    overflow: hidden;
}

/* 标签流光特效 */
.hero-tag::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 242, 254, 0.4), transparent);
    transition: none;
    animation: tag-flow 3s infinite linear;
}

@keyframes tag-flow {
    0% { left: -100%; }
    100% { left: 200%; }
}

.hero-headline {
    font-size: 4.2rem;
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 2rem;
}

.hero-headline span.gradient-text-1 {
    background: linear-gradient(135deg, #00f2fe 30%, #4facfe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(0, 242, 254, 0.15);
}

.hero-headline span.gradient-text-2 {
    background: linear-gradient(135deg, #a78bfa 0%, #c084fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(139, 92, 246, 0.15);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3.5rem;
    font-weight: 300;
    line-height: 1.85;
    max-width: 700px;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
}

.btn {
    font-family: var(--font-display);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem 3.2rem;
    border-radius: 100px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: #030407;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(0, 242, 254, 0.25);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 242, 254, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

/* 右侧：效果器仪表面板 */
.hero-right {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.dashboard-container {
    width: 100%;
    max-width: 480px;
    aspect-ratio: 0.95;
    background: rgba(6, 8, 12, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 40px;
    padding: 2.2rem;
    position: relative;
    box-shadow: 0 40px 80px rgba(0,0,0,0.75), 
                inset 0 1px 0 rgba(255,255,255,0.08),
                0 0 50px rgba(0, 242, 254, 0.02);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}

.dashboard-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-tech);
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    padding-bottom: 1rem;
}

.dashboard-status {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--accent-cyan);
    font-weight: 700;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-cyan);
    box-shadow: 0 0 12px var(--accent-cyan);
    animation: pulse 1.2s infinite;
}

.dashboard-view-toggles {
    display: flex;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 0.2rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.view-btn {
    background: transparent;
    border: none;
    color: #4b5563;
    font-family: var(--font-tech);
    font-size: 0.6rem;
    padding: 0.3rem 0.6rem;
    border-radius: 5px;
    cursor: pointer;
    letter-spacing: 0.1em;
    transition: all 0.3s;
}

.view-btn.active {
    color: var(--accent-cyan);
    background: rgba(0, 242, 254, 0.08);
    box-shadow: inset 0 0 5px rgba(0, 242, 254, 0.1);
}

.dashboard-canvas-wrapper {
    width: 100%;
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin: 1.5rem 0;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.02);
    overflow: hidden;
}

#dashboard-canvas {
    width: 100%;
    height: 230px;
    cursor: crosshair;
}

.knobs-container {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 1.5rem;
}

.knob-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
}

.knob-dial {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #2a2d3d 0%, #0d0e13 100%);
    border: 2px solid rgba(255, 255, 255, 0.08);
    position: relative;
    transition: border-color 0.3s, box-shadow 0.3s;
    box-shadow: 0 8px 20px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.05);
}

.knob-marker {
    position: absolute;
    top: 7px;
    left: calc(50% - 1.5px);
    width: 3px;
    height: 10px;
    background: var(--accent-cyan);
    border-radius: 100px;
    transform-origin: 1.5px 19px;
    transform: rotate(-120deg);
    box-shadow: 0 0 10px var(--accent-cyan);
    transition: transform 0.08s ease-out;
}

.knob-label {
    font-family: var(--font-tech);
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.knob-wrapper:hover .knob-dial {
    border-color: rgba(0, 242, 254, 0.5);
    box-shadow: 0 8px 20px rgba(0,0,0,0.6), 0 0 10px rgba(0, 242, 254, 0.1);
}

/* 无缝滚动品牌/技术墙 */
.marquee-container {
    width: 100%;
    overflow: hidden;
    background: rgba(10, 12, 18, 0.3);
    border-top: 1px solid rgba(255,255,255,0.02);
    border-bottom: 1px solid rgba(255,255,255,0.02);
    padding: 1.8rem 0;
    margin: 4rem 0 8rem 0;
    position: relative;
}

.marquee-container::before, .marquee-container::after {
    content: '';
    position: absolute;
    top: 0;
    width: 15%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}
.marquee-container::before {
    left: 0;
    background: linear-gradient(90deg, var(--bg-color), transparent);
}
.marquee-container::after {
    right: 0;
    background: linear-gradient(270deg, var(--bg-color), transparent);
}

.marquee-content {
    display: flex;
    gap: 5rem;
    width: max-content;
    animation: marquee 35s linear infinite;
}

.marquee-item {
    font-family: var(--font-tech);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-secondary);
    opacity: 0.35;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    transition: opacity 0.3s, color 0.3s;
    cursor: pointer;
}

.marquee-item:hover {
    opacity: 1;
    color: var(--accent-cyan);
    text-shadow: 0 0 12px var(--accent-cyan);
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* 4. 业务版块卡片系统 - 聚光灯边框 (Spotlight Card Border) */
.section-title-wrapper {
    text-align: center;
    margin-bottom: 6rem;
}

.section-subtitle {
    font-family: var(--font-tech);
    font-size: 0.8rem;
    color: var(--accent-cyan);
    letter-spacing: 0.4em;
    text-transform: uppercase;
    margin-bottom: 1.2rem;
}

.section-title {
    font-size: 3.2rem;
    font-weight: 900;
    letter-spacing: -0.02em;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3.5rem;
}

/* 聚光灯容器 */
.business-card-wrapper {
    position: relative;
    border-radius: 36px;
    padding: 1px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.04);
    transition: background 0.3s;
}

.business-card {
    background: #080a0e;
    border-radius: 35px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    z-index: 1;
}

.business-card-img-wrapper {
    width: 100%;
    height: 290px;
    position: relative;
    overflow: hidden;
    background: #000;
}

.business-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.5s;
}

.business-card-img-wrapper::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60%;
    background: linear-gradient(to top, #080a0e 0%, rgba(8, 10, 14, 0) 100%);
}

.business-card-content {
    padding: 3rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.business-tag {
    font-family: var(--font-tech);
    font-size: 0.75rem;
    color: var(--accent-cyan);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    margin-bottom: 1.2rem;
    display: inline-block;
}

.business-name {
    font-size: 1.9rem;
    font-weight: 800;
    margin-bottom: 1.2rem;
    letter-spacing: 0.01em;
}

.business-description {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.business-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 2.8rem;
}

.feature-tag {
    font-size: 0.8rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 0.4rem 1.1rem;
    border-radius: 8px;
    color: #94a3b8;
    transition: all 0.3s;
}

.business-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.15em;
    transition: gap 0.3s, color 0.3s;
    margin-top: auto;
}

.business-link svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 2.5;
    fill: none;
    transition: transform 0.3s;
}

/* 聚光灯边缘动态追踪 */
.business-card-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(400px circle at var(--mouse-x, 0px) var(--mouse-y, 0px), rgba(0, 242, 254, 0.3), rgba(139, 92, 246, 0.1) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.5s;
    z-index: 0;
    pointer-events: none;
}

.business-card-wrapper:hover::before {
    opacity: 1;
}

.business-card-wrapper:hover {
    box-shadow: 0 30px 60px rgba(0,0,0,0.6);
}

.business-card-wrapper:hover .business-card {
    transform: translateY(-4px);
}

.business-card-wrapper:hover .business-card-img {
    transform: scale(1.04);
    opacity: 0.85;
}

.business-card-wrapper:hover .feature-tag {
    border-color: rgba(0, 242, 254, 0.15);
    background: rgba(0, 242, 254, 0.02);
    color: #f1f5f9;
}

.business-card-wrapper:hover .business-link {
    color: var(--accent-cyan);
    gap: 0.8rem;
}

.business-card-wrapper:hover .business-link svg {
    transform: translateX(4px);
}

/* 5. 滚动视差进入动效 (Scroll Reveal) */
.reveal-element {
    opacity: 0;
    transform: translateY(50px) scale(0.98);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 1s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform, opacity;
}

.reveal-element.active {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* 数据看板板块 */
.stats-section {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
    padding: 5rem 2rem;
    border: 1px solid var(--card-border);
    border-radius: 40px;
    background: rgba(8, 10, 15, 0.4);
    backdrop-filter: blur(35px);
    margin: 8rem 0;
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.stat-item {
    text-align: center;
}

.stat-num {
    font-family: var(--font-tech);
    font-size: 4.2rem;
    font-weight: 900;
    background: linear-gradient(135deg, #ffffff, var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 30px rgba(0, 242, 254, 0.08);
}

.stat-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--text-secondary);
}

/* 大气召唤合作板块 */
.contact-cta {
    background: radial-gradient(circle at 100% 100%, rgba(139, 92, 246, 0.08) 0%, transparent 60%),
                radial-gradient(circle at 0% 0%, rgba(0, 242, 254, 0.08) 0%, transparent 60%),
                rgba(8, 10, 15, 0.5);
    border: 1px solid var(--card-border);
    border-radius: 40px;
    padding: 7rem 4rem;
    text-align: center;
    margin-bottom: 8rem;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(35px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
}

.cta-headline {
    font-size: 3.2rem;
    font-weight: 900;
    margin-bottom: 1.8rem;
    letter-spacing: -0.02em;
}

.cta-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 750px;
    margin: 0 auto 3.5rem auto;
    font-weight: 300;
    line-height: 1.8;
}

/* 页脚 */
footer {
    text-align: center;
    padding: 5rem 2rem;
    color: #475569;
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    border-top: 1px solid rgba(255, 255, 255, 0.02);
    position: relative;
    z-index: 10;
}

footer a {
    color: #64748b;
    text-decoration: none;
    transition: color 0.3s;
}

footer a:hover {
    color: var(--accent-cyan);
}

/* Typecho 核心内容区域通用适配 (文章详情/文章列表/独立页面) */
.typecho-container {
    width: 100%;
    margin: 4rem auto 8rem auto;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 36px;
    padding: 4rem;
    backdrop-filter: blur(35px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.6);
}

.typecho-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.typecho-meta {
    font-family: var(--font-tech);
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding-bottom: 1.2rem;
    display: flex;
    gap: 1.5rem;
}

.typecho-content {
    font-size: 1.1rem;
    color: #cbd5e1;
    font-weight: 300;
    line-height: 1.85;
}

.typecho-content p {
    margin-bottom: 1.8rem;
}

.typecho-content h2, .typecho-content h3 {
    color: #fff;
    margin: 2.5rem 0 1.2rem 0;
    font-weight: 700;
}

.typecho-content h2 { font-size: 1.8rem; }
.typecho-content h3 { font-size: 1.4rem; }

.typecho-content a {
    color: var(--accent-cyan);
    text-decoration: none;
    border-bottom: 1px dashed var(--accent-cyan);
    transition: color 0.3s, border-color 0.3s;
}

.typecho-content a:hover {
    color: #fff;
    border-color: #fff;
}

.typecho-content img {
    display: block;
    max-width: 100%;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    margin: 2rem auto;
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 5rem;
        text-align: center;
        min-height: auto;
    }
    .hero-left {
        align-items: center;
    }
    .hero-headline {
        font-size: 3.5rem;
    }
    .business-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    header {
        padding: 2.5rem 1rem;
    }
    h1.site-title {
        font-size: 1.8rem;
    }
    nav.nav-bar {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.6rem;
        padding: 0.6rem 1rem;
    }
    nav.nav-bar a {
        font-size: 0.85rem;
        padding: 0.3rem 0.8rem;
    }
    main.main-content {
        padding: 2rem 1.5rem 6rem 1.5rem;
    }
    .hero-headline {
        font-size: 2.6rem;
    }
    .section-title {
        font-size: 2.4rem;
    }
    .business-card-content {
        padding: 2rem;
    }
    .contact-cta {
        padding: 5rem 2rem;
    }
    .cta-headline {
        font-size: 2.2rem;
    }
    .typecho-container {
        padding: 2rem;
    }
    .typecho-title {
        font-size: 1.8rem;
    }
}

/* 5. 动态高质感科技风分页导航 (Page Navigator) */
.page-navigator {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 0.8rem;
    justify-content: center;
    align-items: center;
}

.page-navigator li {
    display: inline-block;
    margin: 0;
    padding: 0;
}

.page-navigator li a, .page-navigator li span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    text-decoration: none;
    font-family: var(--font-tech);
    font-size: 0.9rem;
    font-weight: 700;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}

.page-navigator li a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.4);
}

.page-navigator li.current a, 
.page-navigator li.current span {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: #030407 !important;
    border: none;
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.35);
}

.page-navigator li.prev a, 
.page-navigator li.next a {
    padding: 0 1.5rem;
    min-width: auto;
}