/* ========================================
   吉象奇官方网站 - 高级定制样式表
   配色体系：
   - 主色：#005F5D (墨绿)
   - 辅色：#003331 (深黛)
   - 底色：#F5F0D0 (米白/宣纸)
   - 金色：#D4C4A8 (古铜金)
   - 亮金：#E7D4AC (暖金)
   - 文字：#1a2c2a (墨黑)
   设计理念：传统文人美学 + 现代极简奢华
   ======================================== */

/* ===== 基础重置与全局变量 ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #005F5D;
    --primary-dark: #003331;
    --primary-light: #007A78;
    --bg-cream: #F5F0D0;
    --bg-cream-light: #FEFEFD;
    --bg-cream-dark: #F0EBD0;
    --gold: #D4C4A8;
    --gold-light: #E7D4AC;
    --gold-dark: #C4B498;
    --text-dark: #1a2c2a;
    --text-mid: #4a706e;
    --text-light: #6a8a88;
    --text-white: rgba(255, 255, 255, 0.85);
    --text-white-muted: rgba(255, 255, 255, 0.6);
    --shadow-sm: 0 4px 20px rgba(0, 95, 93, 0.06);
    --shadow-md: 0 12px 40px rgba(0, 95, 93, 0.1);
    --shadow-lg: 0 24px 60px rgba(0, 95, 93, 0.15);
    --shadow-xl: 0 40px 80px rgba(0, 0, 0, 0.2);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-full: 100px;
    --font-serif: 'Noto Serif SC', 'STSong', 'SimSun', serif;
    --font-sans: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-slow: cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-cream);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

/* ===== 滚动进度条 ===== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
    z-index: 9999;
    transition: width 0.1s linear;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 95, 93, 0.92);
    backdrop-filter: blur(24px) saturate(1.2);
    -webkit-backdrop-filter: blur(24px) saturate(1.2);
    border-bottom: 1px solid rgba(212, 196, 168, 0.1);
    transition: all 0.5s var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(0, 51, 49, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
    border-bottom-color: rgba(212, 196, 168, 0.06);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--gold-light);
    position: relative;
    z-index: 1;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(145deg, var(--primary) 0%, var(--primary-dark) 100%);
    border: 2px solid rgba(231, 212, 172, 0.35);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-family: var(--font-serif);
    color: var(--gold-light);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(231, 212, 172, 0.15);
    transition: transform 0.3s var(--transition-bounce);
}

.nav-logo:hover .logo-icon {
    transform: rotate(-15deg) scale(1.05);
}

.logo-text {
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    display: block;
    padding: 0.5rem 1rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-white);
    border-radius: var(--radius-sm);
    transition: all 0.3s var(--transition-smooth);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gold-light);
    transform: translateX(-50%);
    transition: width 0.3s var(--transition-smooth);
    border-radius: 1px;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--gold-light);
    background: rgba(255, 255, 255, 0.06);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gold-light);
    border-radius: 2px;
    transition: all 0.3s var(--transition-smooth);
}

/* ===== Hero 区域 ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 2rem 80px;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0, 95, 93, 0.4) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(212, 196, 168, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(0, 51, 49, 0.6) 0%, transparent 50%),
        linear-gradient(180deg, #003331 0%, #004D4A 30%, #005F5D 60%, #006B69 100%);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-particle {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-glow {
    position: absolute;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(212, 196, 168, 0.1) 0%, rgba(212, 196, 168, 0.05) 30%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse-glow 8s ease-in-out infinite;
    z-index: 0;
}

@keyframes pulse-glow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.3); opacity: 1; }
}

/* 装饰性圆环 */
.hero-deco-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(212, 196, 168, 0.06);
    pointer-events: none;
    z-index: 0;
}

.hero-deco-ring:nth-child(1) {
    width: 500px;
    height: 500px;
    top: -100px;
    right: -100px;
    animation: float-ring 20s linear infinite;
}

.hero-deco-ring:nth-child(2) {
    width: 300px;
    height: 300px;
    bottom: -50px;
    left: -50px;
    animation: float-ring 15s linear infinite reverse;
}

@keyframes float-ring {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* decorative lines */
.hero-lines {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.hero-lines::before,
.hero-lines::after {
    content: '';
    position: absolute;
    width: 1px;
    height: 100%;
    background: linear-gradient(180deg, transparent, rgba(212, 196, 168, 0.06), transparent);
}

.hero-lines::before { left: 15%; }
.hero-lines::after { right: 15%; }

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 680px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(212, 196, 168, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--gold);
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.4s var(--transition-smooth);
}

.hero-badge:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(212, 196, 168, 0.35);
    transform: translateY(-1px);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--gold);
    border-radius: 50%;
    animation: pulse-dot 2.5s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 8px rgba(212, 196, 168, 0.3); }
    50% { opacity: 0.4; transform: scale(0.7); box-shadow: 0 0 0 rgba(212, 196, 168, 0); }
}

.hero-title {
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
    font-family: var(--font-serif);
    font-size: clamp(2.8rem, 7vw, 5rem);
    font-weight: 900;
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 40%, #D4B888 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.12em;
    line-height: 1.15;
    filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.3));
    animation: title-shimmer 6s ease-in-out infinite;
    background-size: 200% auto;
}

@keyframes title-shimmer {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.title-sub {
    display: block;
    font-size: clamp(1.05rem, 2.5vw, 1.5rem);
    font-weight: 350;
    color: rgba(255, 255, 255, 0.75);
    margin-top: 0.75rem;
    letter-spacing: 0.15em;
    -webkit-text-fill-color: rgba(255, 255, 255, 0.75);
}

.hero-desc {
    font-size: clamp(0.9375rem, 1.8vw, 1.125rem);
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.9;
    margin-bottom: 2.5rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9375rem 2.25rem;
    border-radius: 14px;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.4s var(--transition-smooth);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: linear-gradient(145deg, var(--gold) 0%, var(--gold-dark) 100%);
    color: var(--text-dark);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3), 0 2px 8px rgba(212, 196, 168, 0.15);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.35), 0 2px 12px rgba(212, 196, 168, 0.2);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--gold-light);
    border: 1px solid rgba(212, 196, 168, 0.25);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(212, 196, 168, 0.45);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.btn-secondary:active {
    transform: translateY(-1px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

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

.stat-item + .stat-item::before {
    content: '';
    position: absolute;
    left: -1.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 30px;
    background: rgba(255, 255, 255, 0.08);
}

.stat-num {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.35rem;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.05em;
}

/* 指南针视觉 */
.hero-visual {
    position: absolute;
    right: 3%;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.12;
    pointer-events: none;
    z-index: 1;
}

.compass-container {
    position: relative;
    width: 420px;
    height: 420px;
}

.compass-ring {
    position: absolute;
    border: 1px solid rgba(212, 196, 168, 0.2);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.ring-1 { width: 100%; height: 100%; animation: rotate 60s linear infinite; }
.ring-2 { width: 75%; height: 75%; animation: rotate 40s linear infinite reverse; border-style: dashed; }
.ring-3 { width: 50%; height: 50%; animation: rotate 20s linear infinite; border-width: 2px; }

.compass-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(212, 196, 168, 0.08);
    border: 2px solid rgba(212, 196, 168, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 40px rgba(212, 196, 168, 0.06), inset 0 0 20px rgba(212, 196, 168, 0.04);
}

.center-gan {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--gold);
}

.compass-directions .dir {
    position: absolute;
    font-family: var(--font-serif);
    font-size: 1rem;
    color: rgba(212, 196, 168, 0.4);
    letter-spacing: 0.1em;
}

.dir-n { top: 8px; left: 50%; transform: translateX(-50%); }
.dir-s { bottom: 8px; left: 50%; transform: translateX(-50%); }
.dir-e { right: 8px; top: 50%; transform: translateY(-50%); }
.dir-w { left: 8px; top: 50%; transform: translateY(-50%); }

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

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.75rem;
    z-index: 2;
    opacity: 0.7;
    transition: opacity 0.4s ease;
}

.scroll-indicator:hover {
    opacity: 1;
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    width: 3px;
    height: 8px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0%, 100% { opacity: 1; top: 6px; }
    50% { opacity: 0.2; top: 16px; }
}

/* ===== 通用区块样式 ===== */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4.5rem;
}

.section-tag {
    display: inline-block;
    padding: 0.375rem 1.25rem;
    background: rgba(0, 95, 93, 0.06);
    border: 1px solid rgba(0, 95, 93, 0.12);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
}

.section-tag:hover {
    background: rgba(0, 95, 93, 0.1);
    border-color: rgba(0, 95, 93, 0.2);
    transform: translateY(-1px);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 4vw, 2.625rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    line-height: 1.3;
    letter-spacing: 0.02em;
}

.section-desc {
    font-size: 1.0625rem;
    color: var(--text-mid);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.8;
}

/* 区块分隔装饰 */
.section-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--primary));
    border-radius: 2px;
    margin: 0 auto 1rem;
    opacity: 0.5;
}

/* ===== 功能特色 ===== */
.features {
    padding: 120px 0;
    background: var(--bg-cream);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(180deg, rgba(0, 77, 74, 0.03) 0%, transparent 100%);
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: rgba(254, 254, 253, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(0, 95, 93, 0.06);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    transition: all 0.5s var(--transition-smooth);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--gold), var(--primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s var(--transition-smooth);
}

.feature-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 95, 93, 0.03) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 95, 93, 0.12);
    background: rgba(254, 254, 253, 0.9);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover::after {
    opacity: 1;
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(145deg, rgba(0, 95, 93, 0.08) 0%, rgba(0, 95, 93, 0.02) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 1.25rem;
    position: relative;
    transition: all 0.4s var(--transition-bounce);
    box-shadow: inset 0 1px 0 rgba(0, 95, 93, 0.05);
}

.feature-card:hover .feature-icon {
    background: linear-gradient(145deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--gold-light);
    transform: scale(1.05) rotate(-5deg);
    box-shadow: 0 8px 20px rgba(0, 95, 93, 0.2);
}

.feature-icon svg {
    transition: transform 0.4s var(--transition-bounce);
}

.feature-card:hover .feature-icon svg {
    transform: scale(1.1);
}

.feature-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    transition: color 0.3s ease;
}

.feature-card:hover .feature-title {
    color: var(--primary);
}

.feature-desc {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* ===== 应用场景 ===== */
.scenes {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg-cream-dark) 0%, var(--bg-cream) 100%);
    position: relative;
}

.scenes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.scene-card {
    background: rgba(254, 254, 253, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(0, 95, 93, 0.04);
    border-radius: var(--radius-md);
    padding: 2rem 1.75rem;
    text-align: center;
    transition: all 0.4s var(--transition-smooth);
    position: relative;
    overflow: hidden;
    cursor: default;
}

.scene-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(145deg, rgba(0, 95, 93, 0.02) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.scene-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    transition: width 0.4s var(--transition-smooth);
}

.scene-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 95, 93, 0.1);
    background: rgba(254, 254, 253, 0.8);
}

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

.scene-card:hover::after {
    width: 60%;
}

.scene-icon {
    font-size: 2.25rem;
    margin-bottom: 0.75rem;
    display: inline-block;
    transition: transform 0.4s var(--transition-bounce);
    filter: grayscale(0.2);
}

.scene-card:hover .scene-icon {
    transform: scale(1.15) rotate(-8deg);
    filter: grayscale(0);
}

.scene-card h3 {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.scene-card:hover h3 {
    color: var(--primary);
}

.scene-card p {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== 应用展示 ===== */
.showcase {
    padding: 120px 0;
    background: var(--bg-cream);
    position: relative;
}

.showcase-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.showcase-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    align-self: center;
    margin-top: -1.75rem;
}

.showcase-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2.25rem;
    padding: 1.25rem;
    border-radius: var(--radius-md);
    transition: all 0.4s var(--transition-smooth);
    cursor: default;
}

.showcase-item:hover {
    background: rgba(254, 254, 253, 0.6);
    box-shadow: var(--shadow-sm);
    transform: translateX(6px);
}

.showcase-num {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    flex-shrink: 0;
    width: 48px;
    opacity: 0.8;
}

.showcase-info h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.showcase-info p {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* 手机端网址展示 */
.showcase-url {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 0.3rem 1.1rem;
    background: rgba(0, 95, 93, 0.04);
    border: 1px solid rgba(0, 95, 93, 0.08);
    border-radius: 100px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: all 0.4s var(--transition-smooth);
}

.showcase-url:hover {
    background: rgba(0, 95, 93, 0.08);
    border-color: rgba(0, 95, 93, 0.15);
    box-shadow: var(--shadow-sm);
}

.url-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-light);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.url-text {
    font-family: var(--font-serif);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 0.04em;
    text-decoration: none;
    position: relative;
    transition: all 0.3s ease;
}

.showcase-url:hover .url-text {
    color: var(--primary-light);
}

@media (max-width: 768px) {
    .showcase-url {
        gap: 0.35rem;
        padding: 0.25rem 0.85rem;
        margin-bottom: 0.75rem;
    }
    .url-text {
        font-size: 0.8125rem;
    }
}

/* 截图画廊 */
.screenshot-gallery {
    display: flex;
    flex-direction: row;
    gap: 1.25rem;
    align-items: center;
    justify-content: center;
    perspective: 1200px;
}

.screenshot-item {
    width: 180px;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.15), 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.5s var(--transition-bounce);
    background: #1a1a1a;
    transform: rotateY(0deg) scale(1);
}

.screenshot-item:hover {
    transform: translateY(-8px) scale(1.04) rotateY(-4deg);
    box-shadow: 0 24px 56px rgba(0, 0, 0, 0.22), 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 2;
}

.screenshot-item:nth-child(2):hover {
    transform: translateY(-8px) scale(1.04) rotateY(0deg);
}

.screenshot-item:nth-child(3):hover {
    transform: translateY(-8px) scale(1.04) rotateY(4deg);
}

.screenshot-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-md);
}

@media (max-width: 1024px) {
    .screenshot-gallery {
        gap: 1rem;
    }
    .screenshot-item {
        width: 160px;
    }
}

@media (max-width: 768px) {
    .screenshot-gallery {
        gap: 0.75rem;
    }
    .screenshot-item {
        width: 140px;
        border-radius: 14px;
    }
    .screenshot-item img {
        border-radius: 14px;
    }
}

@media (max-width: 480px) {
    .screenshot-gallery {
        gap: 0.5rem;
    }
    .screenshot-item {
        width: 100px;
        border-radius: 12px;
    }
    .screenshot-item img {
        border-radius: 12px;
    }
}

/* ===== 关于我们 ===== */
.about {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg-cream) 0%, var(--bg-cream-dark) 100%);
    position: relative;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    font-size: 1rem;
    color: var(--text-mid);
    line-height: 1.9;
    margin-bottom: 1rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    margin-top: 1.5rem;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: var(--text-dark);
    font-weight: 500;
}

.about-feature svg {
    color: var(--primary);
    flex-shrink: 0;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.about-card {
    width: 280px;
    background: linear-gradient(160deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-xl);
    padding: 2.75rem 2rem;
    text-align: center;
    color: var(--gold-light);
    box-shadow: var(--shadow-xl), inset 0 1px 0 rgba(231, 212, 172, 0.1);
    position: relative;
    overflow: hidden;
    transition: transform 0.5s var(--transition-smooth);
}

.about-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(212, 196, 168, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

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

.about-card-icon {
    width: 72px;
    height: 72px;
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(231, 212, 172, 0.25);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-family: var(--font-serif);
    margin: 0 auto 1.25rem;
    position: relative;
    z-index: 1;
    transition: all 0.4s var(--transition-bounce);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.about-card:hover .about-card-icon {
    transform: scale(1.08) rotate(-8deg);
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(231, 212, 172, 0.4);
}

.about-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.about-card p {
    font-size: 0.9375rem;
    opacity: 0.75;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.about-card-meta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.8125rem;
    opacity: 0.5;
    position: relative;
    z-index: 1;
}

/* ===== 下载区域 ===== */
.download {
    padding: 120px 0;
    background: var(--primary-dark);
    position: relative;
    overflow: hidden;
}

.download::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(212, 196, 168, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(0, 95, 93, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.download::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.02'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
}

.download-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

.download-text .section-title {
    color: var(--gold-light);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

.download-text .section-desc {
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 2rem;
}

.download-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 1rem 1.75rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    color: #fff;
    transition: all 0.4s var(--transition-smooth);
    min-width: 180px;
    position: relative;
    overflow: hidden;
}

.download-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.download-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.download-btn:hover::before {
    opacity: 1;
}

.download-btn:active {
    transform: translateY(-1px);
}

.download-btn svg {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    opacity: 0.8;
}

.btn-text {
    display: flex;
    flex-direction: column;
}

.btn-label {
    font-size: 1rem;
    font-weight: 600;
}

.btn-version {
    font-size: 0.75rem;
    opacity: 0.6;
}

.download-qr {
    text-align: center;
}

.qr-placeholder {
    width: 180px;
    height: 180px;
    background: #fff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    transition: transform 0.4s var(--transition-smooth);
    padding: 12px;
}

.qr-placeholder:hover {
    transform: scale(1.02);
}

.qr-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.download-qr p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* ===== 页脚 ===== */
.footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.65);
    padding: 80px 0 0;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(212, 196, 168, 0.15), transparent);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-brand {
    position: relative;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gold-light);
    margin-bottom: 1rem;
}

.footer-desc {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.45);
    max-width: 320px;
}

.footer-disclaimer {
    font-size: 0.75rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.25);
    margin-top: 1rem;
    max-width: 320px;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gold-light);
    margin-bottom: 1.25rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--gold);
    opacity: 0.4;
    border-radius: 1px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-col a,
.footer-col span {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-col a:hover {
    color: var(--gold-light);
    transform: translateX(4px);
}

.footer-bottom {
    padding: 1.75rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-legal p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.35);
}

.footer-copyright {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.3);
}

/* ===== 粒子效果 ===== */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: radial-gradient(circle, rgba(212, 196, 168, 0.5) 0%, rgba(212, 196, 168, 0.1) 100%);
    border-radius: 50%;
    pointer-events: none;
    animation: float-up linear infinite;
    box-shadow: 0 0 6px rgba(212, 196, 168, 0.1);
}

@keyframes float-up {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-10vh) scale(1);
        opacity: 0;
    }
}

/* ===== 滚动显示动画 ===== */
[data-aos] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s var(--transition-slow), transform 0.7s var(--transition-slow);
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* ===== 打印样式 ===== */
@media print {
    .navbar,
    .hero-visual,
    .scroll-indicator,
    .hero-actions,
    .download-qr,
    .scroll-progress {
        display: none !important;
    }
    .hero {
        min-height: auto;
        padding: 2rem;
    }
    body {
        background: #fff;
        color: #000;
    }
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }

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

    .showcase-content,
    .about-content,
    .download-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .showcase-visual {
        order: -1;
        margin-top: 0;
    }

    .about-visual {
        order: -1;
    }

    .download-qr {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(0, 51, 49, 0.98);
        backdrop-filter: blur(24px);
        flex-direction: column;
        padding: 1.5rem 2rem;
        gap: 0.5rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s var(--transition-smooth);
        border-bottom: 1px solid rgba(212, 196, 168, 0.08);
        max-height: calc(100vh - 72px);
        overflow-y: auto;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }

    .hero {
        padding: 100px 1.5rem 60px;
    }

    .hero-stats {
        gap: 2rem;
    }

    .stat-num {
        font-size: 2rem;
    }

    .stat-item + .stat-item::before {
        left: -1rem;
    }

    .features-grid,
    .scenes-grid {
        grid-template-columns: 1fr;
    }

    .features,
    .scenes,
    .showcase,
    .about,
    .download {
        padding: 80px 0;
    }

    .section-header {
        margin-bottom: 3rem;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .section-container {
        padding: 0 1.5rem;
    }

    .download-content {
        padding: 0 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

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

    .download-buttons {
        flex-direction: column;
    }

    .download-btn {
        width: 100%;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        gap: 1.5rem;
        flex-wrap: wrap;
    }

    .stat-item + .stat-item::before {
        display: none;
    }
}