/* ============================================
   音效工坊 - 主样式表
   CSS前缀: yx3-
   设计风格: 混音台声波风 (Mixing Console Waveform Style)
   ============================================ */

/* === 基础重置与字体 === */
@font-face {
    font-family: 'RobotoMono';
    src: local('Roboto Mono'), local('Menlo'), local('Consolas');
    font-display: swap;
}

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

:root {
    --yx3-primary: #1E1E1E;
    --yx3-accent: #00BFFF;
    --yx3-white: #FFFFFF;
    --yx3-text: #E0E0E0;
    --yx3-link: #00BFFF;
    --yx3-dark: #141414;
    --yx3-card-bg: #252525;
    --yx3-border: #333333;
    --yx3-font: 'Roboto Mono', 'Menlo', 'Consolas', monospace;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--yx3-font);
    background-color: var(--yx3-primary);
    color: var(--yx3-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--yx3-link);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--yx3-white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--yx3-font);
    color: var(--yx3-white);
    line-height: 1.3;
}

/* === 干扰标签隐藏 === */
.sound-jammer-block {
    display: none !important;
}

/* === 导航栏 === */
.yx3-header {
    background-color: var(--yx3-dark);
    border-bottom: 1px solid var(--yx3-border);
    padding: 0;
    z-index: 1000;
    width: 100%;
}

.yx3-nav-container {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
}

.yx3-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.yx3-logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.yx3-logo-icon svg {
    width: 36px;
    height: 36px;
}

.sp-logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--yx3-accent);
    letter-spacing: 1px;
}

.yx3-nav-links {
    display: flex;
    align-items: center;
    gap: 0;
    list-style: none;
}

.yx3-nav-links li {
    position: relative;
}

.yx3-nav-links a {
    display: block;
    padding: 10px 16px;
    color: var(--yx3-accent);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    position: relative;
    transition: color 0.3s ease;
}

.yx3-nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--yx3-accent), transparent);
    transition: width 0.4s ease;
}

.yx3-nav-links a:hover {
    color: var(--yx3-white);
}

.yx3-nav-links a:hover::after {
    width: 80%;
    animation: yx3-spectrum-line 0.6s ease-in-out;
}

@keyframes yx3-spectrum-line {
    0% { width: 0; opacity: 0; }
    50% { opacity: 1; }
    100% { width: 80%; opacity: 1; }
}

/* === 汉堡菜单 === */
.yx3-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: 1px solid var(--yx3-border);
    border-radius: 4px;
}

.yx3-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--yx3-accent);
    transition: all 0.3s ease;
}

.yx3-mobile-menu {
    display: none;
    position: absolute;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: linear-gradient(180deg, #0a0a0a 0%, #1a1a2e 100%);
    border-left: 2px solid var(--yx3-accent);
    z-index: 9999;
    transition: right 0.4s ease;
    padding: 60px 20px 20px;
    overflow-y: auto;
}

.yx3-mobile-menu.yx3-active {
    right: 0;
}

.yx3-mobile-menu-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: 1px solid var(--yx3-accent);
    color: var(--yx3-accent);
    width: 36px;
    height: 36px;
    font-size: 1.2rem;
    cursor: pointer;
    border-radius: 4px;
}

.yx3-mobile-menu-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--yx3-border);
}

.yx3-mobile-menu-header .yx3-fader-icon {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-bottom: 10px;
}

.yx3-mobile-menu-header .yx3-fader-bar {
    width: 4px;
    background: var(--yx3-accent);
    border-radius: 2px;
    animation: yx3-fader-bounce 1s ease-in-out infinite alternate;
}

.yx3-mobile-menu-header .yx3-fader-bar:nth-child(1) { height: 20px; animation-delay: 0s; }
.yx3-mobile-menu-header .yx3-fader-bar:nth-child(2) { height: 30px; animation-delay: 0.1s; }
.yx3-mobile-menu-header .yx3-fader-bar:nth-child(3) { height: 25px; animation-delay: 0.2s; }
.yx3-mobile-menu-header .yx3-fader-bar:nth-child(4) { height: 35px; animation-delay: 0.3s; }
.yx3-mobile-menu-header .yx3-fader-bar:nth-child(5) { height: 22px; animation-delay: 0.4s; }

@keyframes yx3-fader-bounce {
    0% { transform: scaleY(0.6); }
    100% { transform: scaleY(1); }
}

.yx3-mobile-nav-links {
    list-style: none;
}

.yx3-mobile-nav-links li {
    border-bottom: 1px solid rgba(0,191,255,0.15);
}

.yx3-mobile-nav-links a {
    display: block;
    padding: 14px 12px;
    color: var(--yx3-text);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.yx3-mobile-nav-links a:hover {
    color: var(--yx3-accent);
    padding-left: 20px;
    background: rgba(0,191,255,0.05);
}

.yx3-mobile-overlay {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 9998;
}

/* === Hero / 声音引擎 === */
.yx3-hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(180deg, #0a0a0a 0%, var(--yx3-primary) 100%);
}

.yx3-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.yx3-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.35;
}

.yx3-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 40px 24px;
}

.yx3-hero-content h1 {
    font-size: 2.8rem;
    color: var(--yx3-white);
    margin-bottom: 16px;
    text-shadow: 0 0 30px rgba(0,191,255,0.3);
}

.yx3-hero-subtitle {
    font-size: 1rem;
    color: var(--yx3-text);
    margin-bottom: 32px;
    line-height: 1.8;
}

.yx3-search-box {
    position: relative;
    max-width: 560px;
    margin: 0 auto;
}

.yx3-search-input {
    width: 100%;
    padding: 16px 60px 16px 20px;
    background: rgba(30,30,30,0.9);
    border: 1px solid var(--yx3-accent);
    border-radius: 4px;
    color: var(--yx3-white);
    font-family: var(--yx3-font);
    font-size: 0.9rem;
    outline: none;
    transition: box-shadow 0.3s ease;
}

.yx3-search-input:focus {
    box-shadow: 0 0 20px rgba(0,191,255,0.3);
}

.yx3-search-input::placeholder {
    color: #666;
}

.yx3-search-btn {
    position: absolute;
    right: 4px;
    top: 4px;
    bottom: 4px;
    width: 50px;
    background: var(--yx3-accent);
    border: none;
    border-radius: 2px;
    color: var(--yx3-dark);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.yx3-search-btn:hover {
    background: var(--yx3-white);
}

.yx3-hero-tags {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.yx3-hero-tag {
    padding: 4px 12px;
    background: rgba(0,191,255,0.1);
    border: 1px solid rgba(0,191,255,0.3);
    border-radius: 2px;
    font-size: 0.75rem;
    color: var(--yx3-accent);
    cursor: pointer;
    transition: all 0.3s ease;
}

.yx3-hero-tag:hover {
    background: rgba(0,191,255,0.2);
}

/* === 频谱动画 Canvas === */
#yx3-spectrum-canvas {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 120px;
    z-index: 1;
    opacity: 0.6;
}

/* === 通用Section === */
.yx3-section {
    padding: 80px 24px;
    max-width: 1440px;
    margin: 0 auto;
}

.yx3-section-header {
    margin-bottom: 48px;
}

.yx3-section-label {
    font-size: 0.75rem;
    color: var(--yx3-accent);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 8px;
    display: block;
}

.yx3-section-title {
    font-size: 1.8rem;
    color: var(--yx3-white);
    margin-bottom: 12px;
}

.yx3-section-desc {
    font-size: 0.9rem;
    color: #999;
    max-width: 600px;
}

/* === 卡片网格 === */
.yx3-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.yx3-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.yx3-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

/* === 音效卡片 === */
.yx3-card {
    background: var(--yx3-card-bg);
    border: 1px solid var(--yx3-border);
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.yx3-card:hover {
    border-color: var(--yx3-accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0,191,255,0.1);
}

.yx3-card-img {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
}

.yx3-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.yx3-card:hover .yx3-card-img img {
    transform: scale(1.05);
}

.yx3-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    display: flex;
    align-items: center;
    gap: 8px;
}

.yx3-play-btn {
    width: 36px;
    height: 36px;
    background: var(--yx3-accent);
    border: none;
    border-radius: 50%;
    color: var(--yx3-dark);
    font-size: 0.8rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.yx3-play-btn:hover {
    transform: scale(1.1);
}

.yx3-waveform-mini {
    flex: 1;
    height: 24px;
    display: flex;
    align-items: center;
    gap: 1px;
}

.yx3-waveform-mini span {
    display: block;
    width: 3px;
    background: var(--yx3-accent);
    border-radius: 1px;
    opacity: 0.6;
    animation: yx3-wave-pulse 1.5s ease-in-out infinite alternate;
}

@keyframes yx3-wave-pulse {
    0% { opacity: 0.3; }
    100% { opacity: 0.8; }
}

.yx3-card-body {
    padding: 16px;
}

.yx3-card-title {
    font-size: 0.95rem;
    color: var(--yx3-white);
    margin-bottom: 6px;
}

.yx3-card-meta {
    font-size: 0.75rem;
    color: #777;
    display: flex;
    gap: 12px;
}

.yx3-card-tag {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(0,191,255,0.1);
    border: 1px solid rgba(0,191,255,0.2);
    border-radius: 2px;
    font-size: 0.7rem;
    color: var(--yx3-accent);
    margin-top: 8px;
}

/* === 场景探索卡片 === */
.yx3-scene-card {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.yx3-scene-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.yx3-scene-card:hover img {
    transform: scale(1.08);
}

.yx3-scene-card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
}

.yx3-scene-card-content h3 {
    font-size: 1.2rem;
    color: var(--yx3-white);
    margin-bottom: 4px;
}

.yx3-scene-card-content p {
    font-size: 0.8rem;
    color: #aaa;
}

/* === 按钮 === */
.yx3-btn {
    display: inline-block;
    padding: 12px 28px;
    font-family: var(--yx3-font);
    font-size: 0.85rem;
    font-weight: 600;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.yx3-btn-primary {
    background: var(--yx3-accent);
    color: var(--yx3-dark);
    border: 2px solid var(--yx3-accent);
}

.yx3-btn-primary:hover {
    background: transparent;
    color: var(--yx3-accent);
    box-shadow: 0 0 20px rgba(0,191,255,0.3);
}

.yx3-btn-outline {
    background: transparent;
    color: var(--yx3-accent);
    border: 2px solid var(--yx3-accent);
}

.yx3-btn-outline:hover {
    background: var(--yx3-accent);
    color: var(--yx3-dark);
}

.yx3-btn-console {
    background: #2a2a2a;
    color: var(--yx3-text);
    border: 2px solid #444;
    box-shadow: 0 3px 0 #111, 0 4px 8px rgba(0,0,0,0.3);
}

.yx3-btn-console:hover {
    transform: translateY(1px);
    box-shadow: 0 2px 0 #111, 0 3px 6px rgba(0,0,0,0.3);
}

.yx3-btn-console:active {
    transform: translateY(3px);
    box-shadow: 0 0 0 #111, 0 1px 2px rgba(0,0,0,0.3);
}

/* === 大师班 === */
.yx3-master-card {
    background: var(--yx3-card-bg);
    border: 1px solid var(--yx3-border);
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.yx3-master-card:hover {
    border-color: var(--yx3-accent);
}

.yx3-master-img {
    aspect-ratio: 16/9;
    overflow: hidden;
    position: relative;
}

.yx3-master-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.yx3-master-play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.3);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.yx3-master-card:hover .yx3-master-play-overlay {
    opacity: 1;
}

.yx3-master-play-circle {
    width: 60px;
    height: 60px;
    background: rgba(0,191,255,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--yx3-dark);
    font-size: 1.5rem;
}

.yx3-master-body {
    padding: 20px;
}

.yx3-master-body h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.yx3-master-body p {
    font-size: 0.8rem;
    color: #888;
}

.yx3-master-meta {
    margin-top: 12px;
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #666;
}

/* === 幕后故事 === */
.yx3-story-section {
    background: var(--yx3-dark);
    border-top: 1px solid var(--yx3-border);
    border-bottom: 1px solid var(--yx3-border);
}

.yx3-story-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.yx3-story-img {
    border-radius: 4px;
    overflow: hidden;
}

.yx3-story-img img {
    width: 100%;
    height: auto;
    border-radius: 4px;
}

.yx3-story-text h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.yx3-story-text p {
    font-size: 0.9rem;
    color: #aaa;
    margin-bottom: 12px;
    line-height: 1.8;
}

.yx3-story-quote {
    border-left: 3px solid var(--yx3-accent);
    padding-left: 16px;
    margin: 20px 0;
    font-style: italic;
    color: #bbb;
}

/* === 声音设计挑战 === */
.yx3-challenge-banner {
    background: linear-gradient(135deg, #0a1628 0%, #1a0a28 100%);
    border: 1px solid var(--yx3-border);
    border-radius: 4px;
    padding: 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.yx3-challenge-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--yx3-accent), transparent);
}

.yx3-challenge-banner h3 {
    font-size: 1.6rem;
    margin-bottom: 16px;
}

.yx3-challenge-banner p {
    font-size: 0.9rem;
    color: #aaa;
    max-width: 600px;
    margin: 0 auto 24px;
}

/* === 合作录音棚 === */
.yx3-studio-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.yx3-studio-item {
    background: var(--yx3-card-bg);
    border: 1px solid var(--yx3-border);
    border-radius: 4px;
    padding: 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.yx3-studio-item:hover {
    border-color: var(--yx3-accent);
    transform: translateY(-2px);
}

.yx3-studio-item h4 {
    font-size: 0.9rem;
    margin-bottom: 6px;
}

.yx3-studio-item p {
    font-size: 0.75rem;
    color: #777;
}

/* === 定制请求表单 === */
.yx3-form-section {
    background: var(--yx3-dark);
    border-top: 1px solid var(--yx3-border);
    border-bottom: 1px solid var(--yx3-border);
}

.yx3-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.yx3-form-group {
    margin-bottom: 20px;
}

.yx3-form-label {
    display: block;
    font-size: 0.8rem;
    color: var(--yx3-accent);
    margin-bottom: 6px;
    letter-spacing: 1px;
}

.yx3-form-input,
.yx3-form-select,
.yx3-form-textarea {
    width: 100%;
    padding: 12px 16px;
    background: #1a1a1a;
    border: 1px solid var(--yx3-border);
    border-radius: 2px;
    color: var(--yx3-white);
    font-family: var(--yx3-font);
    font-size: 0.85rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.yx3-form-input:focus,
.yx3-form-select:focus,
.yx3-form-textarea:focus {
    border-color: var(--yx3-accent);
    box-shadow: 0 0 10px rgba(0,191,255,0.15);
}

.yx3-form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* === 授权许可 === */
.yx3-license-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.yx3-license-card {
    background: var(--yx3-card-bg);
    border: 1px solid var(--yx3-border);
    border-radius: 4px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.yx3-license-card:hover {
    border-color: var(--yx3-accent);
}

.yx3-license-card.yx3-featured {
    border-color: var(--yx3-accent);
    box-shadow: 0 0 30px rgba(0,191,255,0.1);
}

.yx3-license-card.yx3-featured::before {
    content: 'HOT';
    position: absolute;
    top: -1px;
    right: 20px;
    background: var(--yx3-accent);
    color: var(--yx3-dark);
    padding: 4px 12px;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 0 0 4px 4px;
}

.yx3-license-type {
    font-size: 0.8rem;
    color: var(--yx3-accent);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.yx3-license-price {
    font-size: 2.2rem;
    color: var(--yx3-white);
    font-weight: 700;
    margin-bottom: 4px;
}

.yx3-license-price span {
    font-size: 0.9rem;
    color: #777;
    font-weight: 400;
}

.yx3-license-features {
    list-style: none;
    margin: 20px 0;
    text-align: left;
}

.yx3-license-features li {
    padding: 8px 0;
    font-size: 0.8rem;
    color: #aaa;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    gap: 8px;
}

.yx3-license-features li::before {
    content: '>';
    color: var(--yx3-accent);
    font-weight: 700;
}

/* === 联系我们 === */
.yx3-contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.yx3-contact-item {
    background: var(--yx3-card-bg);
    border: 1px solid var(--yx3-border);
    border-radius: 4px;
    padding: 32px 24px;
    text-align: center;
}

.yx3-contact-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    background: rgba(0,191,255,0.1);
    border: 1px solid rgba(0,191,255,0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--yx3-accent);
    font-size: 1.2rem;
}

.yx3-contact-item h4 {
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.yx3-contact-item p {
    font-size: 0.8rem;
    color: #888;
}

/* === 页脚 === */
.yx3-footer {
    background: #0a0a0a;
    border-top: 2px solid var(--yx3-border);
    padding: 60px 24px 24px;
}

.yx3-footer-container {
    max-width: 1440px;
    margin: 0 auto;
}

.yx3-footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.yx3-footer-col h4 {
    font-size: 0.85rem;
    color: var(--yx3-accent);
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.yx3-footer-links {
    list-style: none;
}

.yx3-footer-links li {
    margin-bottom: 10px;
}

.yx3-footer-links a {
    font-size: 0.8rem;
    color: #888;
    transition: color 0.3s ease;
}

.yx3-footer-links a:hover {
    color: var(--yx3-accent);
}

.yx3-footer-social {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.yx3-footer-social a {
    width: 36px;
    height: 36px;
    background: var(--yx3-card-bg);
    border: 1px solid var(--yx3-border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.yx3-footer-social a:hover {
    border-color: var(--yx3-accent);
    color: var(--yx3-accent);
}

.yx3-footer-bottom {
    border-top: 1px solid var(--yx3-border);
    padding-top: 24px;
    text-align: center;
}

.yx3-footer-bottom p {
    font-size: 0.75rem;
    color: #555;
    margin-bottom: 6px;
    line-height: 1.8;
}

.yx3-footer-bottom a {
    color: #666;
    font-size: 0.75rem;
}

.yx3-footer-bottom a:hover {
    color: var(--yx3-accent);
}

.yx3-footer-honor {
    margin-top: 12px;
    padding: 12px;
    background: rgba(0,191,255,0.03);
    border: 1px solid rgba(0,191,255,0.1);
    border-radius: 4px;
    display: inline-block;
}

.yx3-footer-honor p {
    font-size: 0.7rem;
    color: #666;
}

/* === 内页Banner === */
.yx3-page-banner {
    position: relative;
    height: 360px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.yx3-page-banner img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

.yx3-page-banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 24px;
}

.yx3-page-banner-content h1 {
    font-size: 2.2rem;
    margin-bottom: 12px;
    text-shadow: 0 0 20px rgba(0,191,255,0.3);
}

.yx3-page-banner-content p {
    font-size: 0.9rem;
    color: #bbb;
    max-width: 600px;
}

/* === 内页内容区 === */
.yx3-page-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 24px;
}

.yx3-page-content h2 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: var(--yx3-accent);
}

.yx3-page-content p {
    margin-bottom: 16px;
    line-height: 1.8;
}

/* === 混音台页面 === */
.yx3-mixer-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 24px;
    min-height: 600px;
}

.yx3-mixer-sidebar {
    background: var(--yx3-card-bg);
    border: 1px solid var(--yx3-border);
    border-radius: 4px;
    padding: 20px;
}

.yx3-mixer-sidebar h3 {
    font-size: 0.85rem;
    color: var(--yx3-accent);
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.yx3-mixer-categories {
    list-style: none;
}

.yx3-mixer-categories li {
    padding: 10px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    cursor: pointer;
    font-size: 0.85rem;
    color: #aaa;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.yx3-mixer-categories li:hover,
.yx3-mixer-categories li.yx3-active {
    background: rgba(0,191,255,0.1);
    color: var(--yx3-accent);
}

.yx3-mixer-main {
    background: var(--yx3-card-bg);
    border: 1px solid var(--yx3-border);
    border-radius: 4px;
    padding: 20px;
}

.yx3-mixer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--yx3-border);
}

.yx3-mixer-header h3 {
    font-size: 0.9rem;
    color: var(--yx3-accent);
}

.yx3-track-item {
    display: grid;
    grid-template-columns: 40px 1fr 80px 60px 40px;
    gap: 12px;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    transition: background 0.3s ease;
}

.yx3-track-item:hover {
    background: rgba(0,191,255,0.03);
}

.yx3-track-play {
    width: 32px;
    height: 32px;
    background: rgba(0,191,255,0.15);
    border: 1px solid var(--yx3-accent);
    border-radius: 50%;
    color: var(--yx3-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.7rem;
    transition: all 0.2s ease;
}

.yx3-track-play:hover {
    background: var(--yx3-accent);
    color: var(--yx3-dark);
}

.yx3-track-info h4 {
    font-size: 0.85rem;
    color: var(--yx3-white);
    margin-bottom: 2px;
}

.yx3-track-info p {
    font-size: 0.7rem;
    color: #666;
}

.yx3-track-waveform {
    height: 24px;
    display: flex;
    align-items: center;
    gap: 1px;
}

.yx3-track-waveform span {
    display: block;
    width: 2px;
    background: var(--yx3-accent);
    border-radius: 1px;
    opacity: 0.5;
}

.yx3-track-duration {
    font-size: 0.75rem;
    color: #777;
    text-align: center;
}

.yx3-track-download {
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid var(--yx3-border);
    border-radius: 4px;
    color: #888;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.3s ease;
}

.yx3-track-download:hover {
    border-color: var(--yx3-accent);
    color: var(--yx3-accent);
}

/* === APP下载页 === */
.yx3-app-hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a0a2e 50%, #0a1a2e 100%);
    position: relative;
    overflow: hidden;
}

.yx3-app-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    padding: 60px 24px;
}

.yx3-app-text h1 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.yx3-app-text p {
    font-size: 0.9rem;
    color: #aaa;
    margin-bottom: 32px;
    line-height: 1.8;
}

.yx3-app-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.yx3-app-store-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--yx3-card-bg);
    border: 1px solid var(--yx3-border);
    border-radius: 8px;
    color: var(--yx3-white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.yx3-app-store-btn:hover {
    border-color: var(--yx3-accent);
    box-shadow: 0 0 20px rgba(0,191,255,0.15);
}

.yx3-app-store-btn .yx3-store-label {
    font-size: 0.7rem;
    color: #888;
    display: block;
}

.yx3-app-store-btn .yx3-store-name {
    font-size: 1rem;
    font-weight: 600;
    display: block;
}

.yx3-app-mockup {
    display: flex;
    justify-content: center;
}

.yx3-app-mockup img {
    max-height: 500px;
    width: auto;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0,191,255,0.15);
}

/* === 响应式断点 === */

/* 1440px */
@media (max-width: 1440px) {
    .yx3-section {
        max-width: 1200px;
    }
}

/* 1024px */
@media (max-width: 1024px) {
    .yx3-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .yx3-studio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .yx3-license-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .yx3-story-layout {
        grid-template-columns: 1fr;
    }

    .yx3-form-grid {
        grid-template-columns: 1fr;
    }

    .yx3-app-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .yx3-app-buttons {
        justify-content: center;
    }

    .yx3-mixer-layout {
        grid-template-columns: 1fr;
    }
}

/* 768px */
@media (max-width: 768px) {
    .yx3-nav-links {
        display: none;
    }

    .yx3-hamburger {
        display: flex;
    }

    .yx3-mobile-menu {
        display: block;
    }

    .yx3-hero-content h1 {
        font-size: 1.8rem;
    }

    .yx3-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .yx3-grid-2 {
        grid-template-columns: 1fr;
    }

    .yx3-section {
        padding: 48px 16px;
    }

    .yx3-section-title {
        font-size: 1.4rem;
    }

    .yx3-footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .yx3-contact-grid {
        grid-template-columns: 1fr;
    }

    .yx3-license-grid {
        grid-template-columns: 1fr;
    }

    .yx3-page-banner {
        height: 260px;
    }

    .yx3-page-banner-content h1 {
        font-size: 1.6rem;
    }

    .yx3-challenge-banner {
        padding: 32px 20px;
    }
}

/* 360px */
@media (max-width: 360px) {
    html {
        font-size: 14px;
    }

    .yx3-hero-content h1 {
        font-size: 1.5rem;
    }

    .yx3-grid-3 {
        grid-template-columns: 1fr;
    }

    .yx3-grid-4 {
        grid-template-columns: 1fr;
    }

    .yx3-nav-container {
        padding: 10px 12px;
    }

    .yx3-app-store-btn {
        width: 100%;
        justify-content: center;
    }
}

/* === 动画 === */
.yx3-fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.yx3-fade-in.yx3-visible {
    opacity: 1;
    transform: translateY(0);
}

/* === 脉冲动画 === */
@keyframes yx3-pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.yx3-pulse {
    animation: yx3-pulse 2s ease-in-out infinite;
}