/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 导航栏样式 - 全新现代化设计 */
.main-nav {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.95));
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.08), 0 1px 0 rgba(255, 255, 255, 0.5) inset;
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    height: 75px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 确保导航栏始终在最顶层 */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    width: 100%;
}

/* 滚动状态增强样式 */
.main-nav.scrolled {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.98));
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15), 0 2px 0 rgba(255, 255, 255, 0.7) inset;
    border-bottom: 1px solid rgba(102, 126, 234, 0.2);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    height: 70px;
}

.main-nav.scrolled .nav-container {
    padding: 0 2rem;
}

.main-nav.scrolled .logo {
    transform: scale(0.95);
}

.main-nav.scrolled .nav-links {
    transform: scale(0.98);
}

.main-nav.scrolled .nav-links a {
    font-size: 0.85rem;
    padding: 0.6rem 1rem;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2.5rem;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

/* Logo区域重新设计 */
.logo {
    display: flex;
    align-items: center;
    width: 200px;
    padding-right: 20px;
    position: relative;
    z-index: 1001;
}

.logo::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1), transparent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.4s ease;
    z-index: -1;
}

.logo:hover::before {
    width: 120px;
    height: 120px;
}

.logo-text {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo-text:hover {
    transform: scale(1.08) translateY(-2px);
}

.logo-img {
    height: 40px;
    width: auto;
    margin-right: 12px;
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.logo-text:hover .logo-img {
    transform: rotate(8deg) scale(1.1);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
}

.text-en {
    font-family: "Montserrat", sans-serif;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: #666;
    transition: color 0.3s ease;
}

.text-divider {
    width: 1px;
    height: 16px;
    background: linear-gradient(to bottom, transparent, #666, transparent);
    margin: 0 2px;
}

.text-yu,
.text-yao {
    font-family: "Noto Sans SC", sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    transition: transform 0.3s ease;
}

.logo-text:hover .text-en {
    color: #667eea;
}

.logo-text:hover .text-yu {
    transform: translateY(-2px);
}

.logo-text:hover .text-yao {
    transform: translateY(2px);
}

/* 导航菜单重新设计 */
.nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    justify-content: center;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 20px;
    padding: 0.5rem;
    border: 1px solid rgba(102, 126, 234, 0.1);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.nav-links:hover {
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.15);
    transform: translateY(-2px);
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.75rem 1.25rem;
    border-radius: 15px;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    white-space: nowrap;
    background: transparent;
    border: 1px solid transparent;
}

.nav-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.15), transparent);
    transition: left 0.6s ease;
    z-index: -1;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: translateX(-50%);
    transition: width 0.3s ease;
    border-radius: 1px;
}

.nav-links a:hover::before {
    left: 100%;
}

.nav-links a:hover::after {
    width: 80%;
}

.nav-links a:hover {
    color: #667eea;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.05));
    transform: translateY(-3px);
    border-color: rgba(102, 126, 234, 0.2);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.2);
}

.nav-links a.active {
    color: white;
    background: linear-gradient(135deg, #667eea, #764ba2);
    font-weight: 700;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    border-color: rgba(255, 255, 255, 0.2);
}

.nav-links a.active::after {
    display: none;
}

.nav-right {
    display: flex;
    align-items: center;
    width: 200px;
    padding-left: 20px;
    justify-content: flex-end;
    gap: 1.5rem;
}

/* 语言切换重新设计 - 现代化风格 */
.language-switch {
    position: relative;
    display: inline-block;
}

.language-switch .dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.8));
    border: 2px solid rgba(102, 126, 234, 0.15);
    border-radius: 25px;
    text-decoration: none;
    color: #4a5568;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.language-switch .dropdown-trigger::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.4s ease;
}

.language-switch .dropdown-trigger:hover::before {
    left: 100%;
}

.language-switch .dropdown-trigger:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.05));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.3);
    color: #667eea;
}

/* 更新语言图标 - 使用翻译图标 */
.language-switch .fa-language {
    font-size: 1rem;
    color: #667eea;
    transition: all 0.3s ease;
}

.language-switch .dropdown-trigger:hover .fa-language {
    transform: scale(1.1);
    color: #5a67d8;
}

.language-switch .fa-chevron-down {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
    color: #718096;
}

.language-switch:hover .fa-chevron-down {
    transform: rotate(180deg);
    color: #667eea;
}

.language-switch .dropdown-content {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(-15px) scale(0.95);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.95));
    backdrop-filter: blur(20px);
    min-width: 180px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15), 0 4px 12px rgba(102, 126, 234, 0.1);
    border-radius: 15px;
    border: 2px solid rgba(102, 126, 234, 0.1);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1002;
    overflow: hidden;
}

.language-switch .dropdown-content::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 16px;
    height: 16px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.95));
    border-left: 2px solid rgba(102, 126, 234, 0.1);
    border-top: 2px solid rgba(102, 126, 234, 0.1);
}

.language-switch:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0) scale(1);
}

.language-switch .dropdown-content a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    color: #333;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(102, 126, 234, 0.08);
    position: relative;
    font-weight: 500;
}

.language-switch .dropdown-content a:last-child {
    border-bottom: none;
}

.language-switch .dropdown-content a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.05));
    transition: width 0.3s ease;
}

.language-switch .dropdown-content a:hover::before {
    width: 100%;
}

.language-switch .dropdown-content a:hover {
    color: #667eea;
    transform: translateX(5px);
    background: rgba(102, 126, 234, 0.05);
}

.language-switch .dropdown-content a.active {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.1));
    color: #667eea;
    font-weight: 700;
    border-left: 3px solid #667eea;
}

.lang-text {
    font-weight: 600;
    font-size: 0.95rem;
}

.lang-code {
    font-size: 0.75rem;
    opacity: 0.8;
    background: rgba(102, 126, 234, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-weight: 600;
    color: #667eea;
    letter-spacing: 0.5px;
}

/* 英雄区域 - 新设计 */
.hero-section {
    position: relative;
    background: linear-gradient(120deg, #1a2a6c, #b21f1f, #fdbb2d);
    background-size: 300% 300%;
    animation: gradientBG 15s ease infinite;
    color: white;
    padding: 80px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* 现代化英雄区域样式 */
.hero-section-modern {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #4338ca 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.85) 0%, rgba(118, 75, 162, 0.9) 50%, rgba(67, 56, 202, 0.95) 100%);
}

.pattern-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.15) 0%, transparent 60%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
    background-size: 150px 150px, 200px 200px, 120px 120px;
    animation: patternMove 25s linear infinite;
}

@keyframes patternMove {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    100% {
        transform: translate(60px, 60px) rotate(360deg);
    }
}

.hero-container {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    z-index: 2;
    width: 100%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    padding: 140px 0 100px;
    min-height: 85vh;
    position: relative;
}

.hero-main {
    color: white;
    position: relative;
    z-index: 2;
    text-align: left;
    padding-right: 40px;
    animation: slideInFromLeft 1.2s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 193, 7, 0.15));
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 215, 0, 0.4);
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease-out;
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.2);
}

.hero-badge i {
    color: #ffd700;
    font-size: 1rem;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 35px;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 30%, #e2e8f0 70%, #cbd5e1 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: slideInFromLeft 1s ease-out 0.3s both;
    text-shadow: 0 12px 50px rgba(255, 255, 255, 0.3);
    letter-spacing: -0.02em;
    position: relative;
    text-align: left;
    transform: translateZ(0);
}

.hero-description {
    font-size: 1.35rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: 45px;
    animation: slideInFromLeft 1s ease-out 0.5s both;
    max-width: 100%;
    font-weight: 400;
    text-shadow: 0 4px 25px rgba(0, 0, 0, 0.25);
    text-align: left;
    opacity: 0;
}

.hero-features {
    display: flex;
    gap: 25px;
    margin-bottom: 55px;
    flex-wrap: wrap;
    justify-content: flex-start;
    animation: slideInLeft 1s ease-out 0.6s both;
}

.feature-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 10px 16px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.feature-tag:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.feature-tag i {
    font-size: 1rem;
}

.hero-actions {
    display: flex;
    gap: 30px;
    justify-content: flex-start;
    margin-bottom: 80px;
    animation: slideInLeft 1s ease-out 0.8s both;
    flex-wrap: wrap;
    align-items: center;
}

.btn-primary-new {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 40px;
    border-radius: 60px;
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary-new:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 15px 45px rgba(102, 126, 234, 0.5);
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

.btn-primary-new i {
    transition: transform 0.3s ease;
}

.btn-primary-new:hover i {
    transform: translateX(3px);
}

.btn-secondary-new {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(25px);
    color: white;
    padding: 20px 40px;
    border-radius: 60px;
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-secondary-new:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-4px) scale(1.05);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 15px 45px rgba(255, 255, 255, 0.2);
}

.btn-primary {
    background: var(--accent-color);
    color: white;
    padding: 12px 25px;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 153, 0, 0.3);
}

.btn-primary:hover {
    background: var(--accent-color-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 153, 0, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: 12px 25px;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 1s both;
    margin-top: 20px;
}

.hero-stats .stat-item {
    text-align: center;
    color: white;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 24px 32px;
    transition: all 0.3s ease;
    min-width: 140px;
}

.hero-stats .stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.hero-stats .stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: #ffd700;
    margin-bottom: 8px;
    display: block;
    text-shadow: 0 2px 10px rgba(255, 215, 0, 0.3);
}

.hero-stats .stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    letter-spacing: 0.5px;
}



.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
}

.floating-shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    backdrop-filter: blur(10px);
}

.floating-shape.shape-1 {
    width: 80px;
    height: 80px;
    top: 10%;
    left: 10%;
    animation: floatSlow 20s infinite ease-in-out;
}

.floating-shape.shape-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 15%;
    animation: floatMedium 15s infinite ease-in-out 2s;
}

.floating-shape.shape-3 {
    width: 60px;
    height: 60px;
    bottom: 20%;
    left: 20%;
    animation: floatFast 12s infinite ease-in-out 1s;
}

.floating-shape.shape-4 {
    width: 100px;
    height: 100px;
    top: 30%;
    right: 5%;
    animation: floatSlow 18s infinite ease-in-out 3s;
}

.floating-shape.shape-5 {
    width: 40px;
    height: 40px;
    top: 80%;
    right: 30%;
    animation: floatFast 10s infinite ease-in-out 0.5s;
}

@keyframes floatSlow {
    0%,
    100% {
        transform: translate(0, 0) rotate(0deg) scale(1);
    }
    25% {
        transform: translate(20px, -15px) rotate(5deg) scale(1.1);
    }
    50% {
        transform: translate(-10px, -25px) rotate(-3deg) scale(0.9);
    }
    75% {
        transform: translate(-15px, 10px) rotate(7deg) scale(1.05);
    }
}

@keyframes floatMedium {
    0%,
    100% {
        transform: translate(0, 0) rotate(0deg) scale(1);
    }
    33% {
        transform: translate(15px, 20px) rotate(-8deg) scale(1.2);
    }
    66% {
        transform: translate(-20px, 10px) rotate(12deg) scale(0.8);
    }
}

@keyframes floatFast {
    0%,
    100% {
        transform: translate(0, 0) rotate(0deg) scale(1);
    }
    20% {
        transform: translate(10px, -10px) rotate(15deg) scale(1.1);
    }
    40% {
        transform: translate(-5px, -20px) rotate(-10deg) scale(0.9);
    }
    60% {
        transform: translate(-15px, 5px) rotate(8deg) scale(1.05);
    }
    80% {
        transform: translate(8px, 15px) rotate(-5deg) scale(0.95);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-60px) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0) translateY(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(60px) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0) translateY(0);
    }
}

/* 现代化统计数据区域 */
.hero-stats-modern {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
    animation: slideInFromRight 1.2s ease-out 0.8s both;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 25px;
    padding: 40px 30px;
    margin-top: 60px;
    position: relative;
    overflow: hidden;
}

.hero-stats-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.stat-item-modern {
    text-align: center;
    color: white;
    position: relative;
    min-width: 120px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-item-modern:hover {
    transform: translateY(-8px) scale(1.05);
}

.stat-number-modern {
    font-size: 2.8rem;
    font-weight: 800;
    color: #ffd700;
    margin-bottom: 12px;
    display: block;
    text-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
    background: linear-gradient(135deg, #ffd700, #ffed4e, #fbbf24);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.stat-label-modern {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}



/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
        padding: 120px 0 80px;
    }

    .hero-main {
        padding-right: 0;
        max-width: 100%;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .hero-description {
        font-size: 1.25rem;
        max-width: 700px;
        margin: 0 auto 45px;
    }

    .hero-stats-modern {
        gap: 30px;
        padding: 35px 25px;
        margin-top: 50px;
    }

    .stat-item-modern {
        min-width: 100px;
    }

    .stat-number-modern {
        font-size: 2.4rem;
    }
}

@media (max-width: 768px) {
    .hero-section-modern {
        min-height: auto;
        padding: 60px 0;
    }

    .hero-container {
        padding: 0 20px;
    }

    .hero-content {
        padding: 100px 0 60px;
        gap: 40px;
    }

    .hero-main {
        text-align: center;
    }

    .hero-title {
        font-size: 2.8rem;
        margin-bottom: 25px;
    }

    .hero-description {
        font-size: 1.15rem;
        margin-bottom: 35px;
        max-width: 100%;
    }

    .hero-features {
        gap: 15px;
        margin-bottom: 40px;
        justify-content: center;
    }

    .feature-tag {
        padding: 8px 14px;
        font-size: 0.85rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 16px;
        margin-bottom: 50px;
    }

    .btn-primary-new,
    .btn-secondary-new {
        width: 100%;
        max-width: 280px;
        justify-content: center;
        padding: 16px 32px;
        font-size: 1rem;
    }

    .hero-stats-modern {
        gap: 25px;
        padding: 30px 20px;
        margin-top: 40px;
        flex-direction: column;
    }

    .stat-item-modern {
        min-width: auto;
        width: 100%;
        max-width: 200px;
    }

    .stat-number-modern {
        font-size: 2.2rem;
    }

    .stat-label-modern {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
        margin-bottom: 24px;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 30px;
    }

    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .hero-stats {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    .hero-stats .stat-item {
        width: 100%;
        max-width: 200px;
    }
}

.hero-text {
    z-index: 2;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    opacity: 0.9;
    font-weight: 500;
}

.hero-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.hero-stats-grid .stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 15px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease, background 0.3s ease;
}

.hero-stats-grid .stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.hero-stats-grid .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-stats-grid .stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 40px;
}

/* 科技感视觉界面 */
.hero-visual {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-interface {
    position: relative;
    width: 100%;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.interface-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.interface-bg::before {
    content: "";
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.3), transparent, rgba(255, 255, 255, 0.3));
    border-radius: 22px;
    z-index: -1;
}

.data-cards {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    padding: 40px;
}

.data-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 20px;
    width: 280px;
    animation: breathe 3s ease-in-out infinite;
}

.data-card:nth-child(2) {
    animation-delay: 1s;
}

.data-card:nth-child(3) {
    animation-delay: 2s;
}

@keyframes breathe {
    0%,
    100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.02);
        opacity: 1;
    }
}

.data-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

.card-label {
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.card-status {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.order-card .card-status {
    color: #a8e6cf;
}

.inventory-card .card-status {
    color: #ffd93d;
}

.analytics-card .card-status {
    color: #ff8a80;
}

.card-metric {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
}

.card-metric i {
    color: #a8e6cf;
}

/* 科技元素 */
.tech-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.circle-element {
    position: absolute;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.circle-1 {
    width: 100px;
    height: 100px;
    top: 10%;
    left: 10%;
    border-color: rgba(168, 230, 207, 0.3);
}

.circle-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    right: 15%;
    border-color: rgba(255, 217, 61, 0.3);
    animation-direction: reverse;
}

.circle-3 {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 20%;
    border-color: rgba(255, 138, 128, 0.3);
    animation-duration: 15s;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.tech-icons {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    gap: 30px;
}

.tech-icons i {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.6);
    animation: pulse 2s ease-in-out infinite;
}

.tech-icons i:nth-child(1) {
    animation-delay: 0s;
    color: #a8e6cf;
}

.tech-icons i:nth-child(2) {
    animation-delay: 0.5s;
    color: #ffd93d;
}

.tech-icons i:nth-child(3) {
    animation-delay: 1s;
    color: #ff8a80;
}

.tech-icons i:nth-child(4) {
    animation-delay: 1.5s;
    color: #87ceeb;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

/* 核心功能区域 - 全新现代化设计 */
.core-features {
    padding: 120px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e3f2fd 50%, #f1f8e9 100%);
    position: relative;
    overflow: hidden;
}

.core-features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 30%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.core-features > * {
    position: relative;
    z-index: 2;
}

.section-header {
    text-align: center;
    margin-bottom: 100px;
    position: relative;
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 2px;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 800;
    color: #2d3748;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.3rem;
    color: #718096;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
}

/* 时间轴布局样式 */
.core-features-timeline {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    position: relative;
}

.timeline-container {
    position: relative;
    padding: 40px 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    border-radius: 2px;
    transform: translateX(-50%);
    z-index: 1;
}

.timeline-item {
    position: relative;
    margin-bottom: 80px;
    opacity: 0;
    animation: timelineSlideIn 0.8s ease-out forwards;
}

.timeline-item:nth-child(2) { animation-delay: 0.1s; }
.timeline-item:nth-child(3) { animation-delay: 0.2s; }
.timeline-item:nth-child(4) { animation-delay: 0.3s; }
.timeline-item:nth-child(5) { animation-delay: 0.4s; }
.timeline-item:nth-child(6) { animation-delay: 0.5s; }
.timeline-item:nth-child(7) { animation-delay: 0.6s; }
.timeline-item:nth-child(8) { animation-delay: 0.7s; }
.timeline-item:nth-child(9) { animation-delay: 0.8s; }

@keyframes timelineSlideIn {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.timeline-content {
    display: flex;
    align-items: center;
    gap: 30px;
    position: relative;
    z-index: 2;
}

/* 左侧布局 */
.timeline-item.left {
    text-align: right;
}

.timeline-item.left .timeline-content {
    flex-direction: row-reverse;
    justify-content: flex-end;
    padding-right: 50%;
    margin-right: 30px;
}

/* 右侧布局 */
.timeline-item.right {
    text-align: left;
}

.timeline-item.right .timeline-content {
    flex-direction: row;
    justify-content: flex-start;
    padding-left: 50%;
    margin-left: 30px;
}

.timeline-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 3;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}

.timeline-icon::before {
    content: '';
    position: absolute;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    top: -10px;
    left: -10px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.timeline-item:hover .timeline-icon {
    transform: scale(1.1) rotateY(15deg);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
}

.timeline-item:hover .timeline-icon::before {
    opacity: 1;
}

.timeline-icon i {
    font-size: 2rem;
    color: white;
    z-index: 4;
    position: relative;
    transition: transform 0.3s ease;
}

.timeline-item:hover .timeline-icon i {
    transform: scale(1.1) rotateZ(5deg);
}

.timeline-text {
    flex: 1;
    max-width: 450px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-item:hover .timeline-text {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.15);
}

.timeline-text h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #2d3748 0%, #667eea 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.01em;
}

.timeline-text p {
    color: #718096;
    line-height: 1.8;
    font-size: 1rem;
    font-weight: 400;
    margin: 0;
}

/* 连接点样式 */
.timeline-icon::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 2px;
    z-index: 1;
}

.timeline-item.left .timeline-icon::after {
    right: -30px;
    top: 50%;
    transform: translateY(-50%);
}

.timeline-item.right .timeline-icon::after {
    left: -30px;
    top: 50%;
    transform: translateY(-50%);
}

/* 响应式时间轴布局 */
@media (max-width: 768px) {
    .core-features-timeline {
        padding: 0 20px;
    }
    
    .timeline-line {
        left: 30px;
        transform: none;
    }
    
    .timeline-item.left,
    .timeline-item.right {
        text-align: left;
    }
    
    .timeline-item.left .timeline-content,
    .timeline-item.right .timeline-content {
        flex-direction: row;
        justify-content: flex-start;
        padding-left: 80px;
        padding-right: 0;
        margin-left: 0;
        margin-right: 0;
    }
    
    .timeline-icon {
        position: absolute;
        left: -10px;
        width: 60px;
        height: 60px;
    }
    
    .timeline-icon i {
        font-size: 1.5rem;
    }
    
    .timeline-text {
        max-width: 100%;
        padding: 20px;
    }
    
    .timeline-text h3 {
        font-size: 1.4rem;
    }
    
    .timeline-icon::after {
        display: none;
    }
}

/* 详细功能介绍样式 - 全新现代化设计 */
.features-container {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 50%, #ffffff 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.features-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(102, 126, 234, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(118, 75, 162, 0.05) 0%, transparent 50%);
    z-index: 1;
}

.features-container > * {
    position: relative;
    z-index: 2;
}

.feature-section {
    padding: 120px 0;
    position: relative;
}

.feature-section.bg-light {
    background: linear-gradient(135deg, #f8fafc 0%, #e3f2fd 30%, #f1f8e9 70%, #fafafa 100%);
    position: relative;
}

.feature-section.bg-light::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 30% 40%, rgba(102, 126, 234, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 60%, rgba(118, 75, 162, 0.08) 0%, transparent 60%);
    z-index: 1;
}

.feature-section.bg-light > * {
    position: relative;
    z-index: 2;
}

.feature-content {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 60px;
    display: flex;
    align-items: center;
    gap: 120px;
    min-height: 700px;
    position: relative;
}

.feature-content.reverse {
    flex-direction: row-reverse;
}

.feature-text {
    flex: 1;
    max-width: 650px;
    padding: 40px 0;
    position: relative;
}

.feature-text h2 {
    font-size: 3rem;
    color: #2d3748;
    margin-bottom: 30px;
    font-weight: 800;
    line-height: 1.2;
    background: linear-gradient(135deg, #2d3748 0%, #4a5568 50%, #667eea 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
    position: relative;
}

.feature-text h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 2px;
}

.feature-subtitle {
    font-size: 1.4rem;
    color: #718096;
    line-height: 1.8;
    margin-bottom: 50px;
    font-weight: 400;
    max-width: 580px;
}

.feature-list {
    list-style: none;
    margin-bottom: 0;
    position: relative;
}

.feature-list li {
    margin-bottom: 40px;
    position: relative;
    padding: 25px 0 25px 40px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.feature-list li:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.2);
}

.feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 6px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 0 3px 3px 0;
    transition: width 0.3s ease;
}

.feature-list li:hover::before {
    width: 10px;
}

.feature-point {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 15px;
}

.feature-point i {
    color: #667eea;
    font-size: 0.8rem;
    background: rgba(102, 126, 234, 0.1);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.feature-list li:hover .feature-point i {
    background: rgba(102, 126, 234, 0.2);
    transform: scale(1.2);
}

.feature-point h3 {
    font-size: 1.4rem;
    color: #2d3748;
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.01em;
    transition: color 0.3s ease;
}

.feature-list li:hover .feature-point h3 {
    color: #667eea;
}

.feature-list p {
    color: #718096;
    line-height: 1.8;
    margin-left: 40px;
    font-size: 1.1rem;
    transition: color 0.3s ease;
    font-weight: 400;
}

.feature-list li:hover p {
    color: #4a5568;
}

/* 新的可视化布局样式 */
.feature-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 500px;
    max-width: 600px;
    padding: 40px;
    position: relative;
}

.visual-container {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 450px;
    padding: 30px;
    transition: all 0.3s ease;
}

.visual-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 45px rgba(102, 126, 234, 0.15);
}

/* 订单管理仪表板样式 */
.feature-dashboard {
    width: 100%;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(102, 126, 234, 0.1);
}

.dashboard-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.2rem;
    font-weight: 700;
    color: #2d3748;
}

.dashboard-title i {
    color: #667eea;
    font-size: 1.4rem;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #48bb78;
    position: relative;
}

.status-indicator::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: inherit;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.5; }
    100% { transform: scale(1); opacity: 1; }
}

.dashboard-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.metric-card {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.05));
    border-radius: 12px;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.metric-value {
    font-size: 2rem;
    font-weight: 800;
    color: #2d3748;
    margin-bottom: 5px;
}

.metric-label {
    font-size: 0.9rem;
    color: #718096;
    margin-bottom: 8px;
}

.metric-trend {
    font-size: 0.8rem;
    font-weight: 600;
}

.metric-trend.up {
    color: #48bb78;
}

.metric-trend.down {
    color: #f56565;
}

.progress-bar {
    height: 8px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 4px;
    animation: progressFill 2s ease-in-out;
}

@keyframes progressFill {
    0% { width: 0%; }
    100% { width: 75%; }
}

/* 库存网格样式 */
.inventory-grid {
    width: 100%;
}

.grid-header {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.2rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(102, 126, 234, 0.1);
}

.grid-header i {
    color: #667eea;
    font-size: 1.4rem;
}

.inventory-items {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.inventory-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(248, 250, 252, 0.6);
    border-radius: 12px;
    border: 1px solid rgba(102, 126, 234, 0.1);
    transition: all 0.3s ease;
}

.inventory-item:hover {
    background: rgba(102, 126, 234, 0.05);
    transform: translateX(5px);
}

.item-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.item-info {
    flex: 1;
}

.item-name {
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 4px;
}

.item-stock {
    font-size: 0.85rem;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 500;
}

.item-stock.good {
    background: rgba(72, 187, 120, 0.1);
    color: #48bb78;
}

.item-stock.warning {
    background: rgba(245, 101, 101, 0.1);
    color: #f56565;
}

.item-quantity {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2d3748;
}

/* 分析图表样式 */
.analytics-chart {
    width: 100%;
}

.chart-header {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.2rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(102, 126, 234, 0.1);
}

.chart-header i {
    color: #667eea;
    font-size: 1.4rem;
}

.chart-area {
    position: relative;
    height: 200px;
    margin-bottom: 20px;
}

.chart-bars {
    display: flex;
    align-items: end;
    justify-content: space-between;
    height: 160px;
    gap: 8px;
    padding: 0 10px;
}

.chart-bar {
    flex: 1;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 4px 4px 0 0;
    min-height: 20px;
    position: relative;
    animation: barGrow 1.5s ease-out;
    display: flex;
    align-items: end;
    justify-content: center;
    padding-bottom: 5px;
}

.chart-bar span {
    font-size: 0.75rem;
    color: white;
    font-weight: 600;
}

@keyframes barGrow {
    0% { height: 0%; }
}

.chart-stats {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.stat {
    text-align: center;
}

.stat .value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 5px;
}

.stat .label {
    font-size: 0.9rem;
    color: #718096;
}

/* 财务面板样式 */
.financial-panel {
    width: 100%;
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.2rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(102, 126, 234, 0.1);
}

.panel-header i {
    color: #667eea;
    font-size: 1.4rem;
}

.financial-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.finance-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.finance-card.revenue {
    background: linear-gradient(135deg, rgba(72, 187, 120, 0.1), rgba(72, 187, 120, 0.05));
    border: 1px solid rgba(72, 187, 120, 0.2);
}

.finance-card.cost {
    background: linear-gradient(135deg, rgba(245, 101, 101, 0.1), rgba(245, 101, 101, 0.05));
    border: 1px solid rgba(245, 101, 101, 0.2);
}

.finance-card.profit {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.05));
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.finance-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.finance-card.revenue .card-icon {
    background: rgba(72, 187, 120, 0.2);
    color: #48bb78;
}

.finance-card.cost .card-icon {
    background: rgba(245, 101, 101, 0.2);
    color: #f56565;
}

.finance-card.profit .card-icon {
    background: rgba(102, 126, 234, 0.2);
    color: #667eea;
}

.card-info {
    flex: 1;
}

.card-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: #2d3748;
    margin-bottom: 5px;
}

.card-label {
    font-size: 0.9rem;
    color: #718096;
}

/* 供应链网络样式 */
.supply-network {
    width: 100%;
}

.network-header {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.2rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(102, 126, 234, 0.1);
}

.network-header i {
    color: #667eea;
    font-size: 1.4rem;
}

.network-map {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 25px;
    position: relative;
}

.network-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-align: center;
}

.network-node i {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.network-node span {
    font-size: 0.9rem;
    font-weight: 600;
    color: #2d3748;
}

.network-connection {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    margin: 0 15px;
    position: relative;
}

.network-connection::after {
    content: '';
    position: absolute;
    right: -6px;
    top: -4px;
    width: 0;
    height: 0;
    border-left: 8px solid #764ba2;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
}

.network-stats {
    display: flex;
    justify-content: space-around;
    gap: 20px;
}

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

.stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: #718096;
}
    0%,
    100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* 订单管理动画 */
.order-animation .animation-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid rgba(0, 102, 255, 0.3);
    border-radius: 50%;
    animation: pulse 2s ease-out infinite;
}

.ring-1 {
    width: 160px;
    height: 160px;
    animation-delay: 0s;
}

.ring-2 {
    width: 200px;
    height: 200px;
    animation-delay: 0.7s;
}

.ring-3 {
    width: 240px;
    height: 240px;
    animation-delay: 1.4s;
}

@keyframes pulse {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(0.8);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

/* 库存管理动画 */
.inventory-animation .animation-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.floating-box {
    position: absolute;
    width: 40px;
    height: 40px;
    background: rgba(0, 102, 255, 0.2);
    border: 2px solid #0066ff;
    border-radius: 8px;
    animation: floatBox 3s ease-in-out infinite;
}

.box-1 {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.box-2 {
    top: 30%;
    right: 25%;
    animation-delay: 1s;
}

.box-3 {
    bottom: 25%;
    left: 30%;
    animation-delay: 2s;
}

.connecting-line {
    position: absolute;
    background: linear-gradient(45deg, #0066ff, transparent);
    height: 2px;
    animation: lineGlow 2s ease-in-out infinite;
}

.line-1 {
    top: 35%;
    left: 25%;
    width: 100px;
    transform: rotate(15deg);
}

.line-2 {
    bottom: 40%;
    right: 30%;
    width: 80px;
    transform: rotate(-30deg);
    animation-delay: 1s;
}

@keyframes floatBox {
    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-15px) rotate(5deg);
    }
}

@keyframes lineGlow {
    0%,
    100% {
        opacity: 0.3;
    }
    50% {
        opacity: 1;
    }
}

/* 数据分析动画 */
.analytics-animation .animation-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    padding-bottom: 50px;
}

.chart-bar {
    width: 20px;
    background: linear-gradient(to top, #0066ff, #00a6ff);
    margin: 0 8px;
    border-radius: 4px 4px 0 0;
    animation: barGrow 2s ease-in-out infinite;
}

.bar-1 {
    height: 60px;
    animation-delay: 0s;
}

.bar-2 {
    height: 80px;
    animation-delay: 0.3s;
}

.bar-3 {
    height: 100px;
    animation-delay: 0.6s;
}

.bar-4 {
    height: 70px;
    animation-delay: 0.9s;
}

.trend-line {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 2px;
    background: linear-gradient(45deg, #ff6b35, #ffa500);
    border-radius: 2px;
    animation: trendMove 3s ease-in-out infinite;
}

.trend-line::before {
    content: "";
    position: absolute;
    right: -8px;
    top: -3px;
    width: 0;
    height: 0;
    border-left: 8px solid #ff6b35;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
}

@keyframes barGrow {
    0%,
    100% {
        transform: scaleY(0.8);
    }
    50% {
        transform: scaleY(1.1);
    }
}

@keyframes trendMove {
    0%,
    100% {
        transform: translateX(-50%) translateY(0px);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

/* 财务管理动画 */
.finance-animation .animation-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.pie-segment {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    transform-origin: center;
    animation: pieRotate 4s ease-in-out infinite;
}

.segment-1 {
    background: conic-gradient(from 0deg, #0066ff 0deg, #0066ff 120deg, transparent 120deg);
    transform: translate(-50%, -50%) rotate(0deg);
    animation-delay: 0s;
}

.segment-2 {
    background: conic-gradient(from 120deg, #00a6ff 0deg, #00a6ff 120deg, transparent 120deg);
    transform: translate(-50%, -50%) rotate(120deg);
    animation-delay: 0.5s;
}

.segment-3 {
    background: conic-gradient(from 240deg, #ff6b35 0deg, #ff6b35 120deg, transparent 120deg);
    transform: translate(-50%, -50%) rotate(240deg);
    animation-delay: 1s;
}

.finance-indicator {
    position: absolute;
    width: 12px;
    height: 12px;
    background: #28a745;
    border-radius: 50%;
    animation: indicatorPulse 2s ease-in-out infinite;
}

.indicator-1 {
    top: 25%;
    right: 20%;
    animation-delay: 0s;
}

.indicator-2 {
    bottom: 30%;
    left: 25%;
    animation-delay: 1s;
}

@keyframes pieRotate {
    0%,
    100% {
        transform: translate(-50%, -50%) rotate(0deg) scale(1);
    }
    50% {
        transform: translate(-50%, -50%) rotate(10deg) scale(1.05);
    }
}

@keyframes indicatorPulse {
    0%,
    100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.3);
    }
}

/* 供应链动画 */
.supply-animation .animation-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.supply-node {
    position: absolute;
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, #0066ff, #00a6ff);
    border-radius: 50%;
    animation: nodeFloat 3s ease-in-out infinite;
}

.node-1 {
    top: 20%;
    left: 15%;
    animation-delay: 0s;
}

.node-2 {
    top: 25%;
    right: 20%;
    animation-delay: 1s;
}

.node-3 {
    bottom: 30%;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 2s;
}

.supply-link {
    position: absolute;
    height: 3px;
    background: linear-gradient(90deg, #0066ff, #00a6ff, #0066ff);
    border-radius: 2px;
    animation: linkFlow 2s ease-in-out infinite;
}

.link-1 {
    top: 35%;
    left: 20%;
    width: 120px;
    transform: rotate(15deg);
    animation-delay: 0s;
}

.link-2 {
    top: 40%;
    right: 25%;
    width: 100px;
    transform: rotate(-45deg);
    animation-delay: 0.7s;
}

.link-3 {
    bottom: 45%;
    left: 30%;
    width: 80px;
    transform: rotate(30deg);
    animation-delay: 1.4s;
}

@keyframes nodeFloat {
    0%,
    100% {
        transform: translateY(0px) scale(1);
    }
    50% {
        transform: translateY(-8px) scale(1.1);
    }
}

@keyframes linkFlow {
    0%,
    100% {
        opacity: 0.6;
        background: linear-gradient(90deg, #0066ff, #00a6ff, #0066ff);
    }
    50% {
        opacity: 1;
        background: linear-gradient(90deg, #00a6ff, #0066ff, #00a6ff);
    }
}

/* 服务优势样式 */
.why-choose-us {
    padding: 80px 0;
    background: #f8f9fa;
}

.why-choose-us .section-header {
    margin-bottom: 60px;
}

.why-choose-us .section-header h2 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 15px;
}

.why-choose-us .section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.advantages-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.advantage-card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-10px);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px auto;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-icon i {
    font-size: 2rem;
    color: white;
}

.advantage-card h3 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 20px;
}

.advantage-stats {
    margin: 20px 0;
}

.stat-item {
    display: inline-block;
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 5px;
}

.stat-text {
    font-size: 0.9rem;
    color: #666;
}

.advantage-desc {
    color: #666;
    line-height: 1.6;
    margin-top: 20px;
}

/* About Hero Section */
.about-hero {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 80px 0 120px;
    position: relative;
    overflow: hidden;
}

.about-hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e2e8f0" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.4;
}

.about-content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.about-text-section {
    padding-right: 40px;
}

.about-badge {
    display: inline-block;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 32px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    position: relative;
}

.about-badge::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -8px;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid #764ba2;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
}

.about-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: #1a202c;
    margin-bottom: 32px;
    font-family: "Noto Sans SC", sans-serif;
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #4a5568;
    margin: 0;
    text-align: justify;
}

.about-image-section {
    position: relative;
    padding-left: 40px;
}

.office-showcase {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(255, 255, 255, 0.1);
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.office-showcase:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) translateY(-10px);
    box-shadow: 0 35px 70px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.office-showcase img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s ease;
}

.office-showcase:hover img {
    transform: scale(1.02);
}

.image-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.glass-effect {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    height: 60px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 50%, rgba(255, 255, 255, 0.05) 100%);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0;
    transition: opacity 0.6s ease;
}

.office-showcase:hover .glass-effect {
    opacity: 1;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.element {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 166, 255, 0.1));
    border: 1px solid rgba(0, 102, 255, 0.2);
    backdrop-filter: blur(5px);
}

.element-1 {
    width: 80px;
    height: 80px;
    top: 15%;
    right: 10%;
    animation: float 6s ease-in-out infinite;
}

.element-2 {
    width: 60px;
    height: 60px;
    bottom: 20%;
    left: 8%;
    animation: float 8s ease-in-out infinite reverse;
}

.element-3 {
    width: 40px;
    height: 40px;
    top: 60%;
    right: 15%;
    animation: float 7s ease-in-out infinite;
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 1;
    }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .about-content-wrapper {
        gap: 60px;
    }

    .about-text-section {
        padding-right: 20px;
    }

    .about-image-section {
        padding-left: 20px;
    }

    .about-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .about-hero {
        padding: 60px 0 80px;
    }

    .about-content-wrapper {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }

    .about-text-section,
    .about-image-section {
        padding: 0;
    }

    .about-title {
        font-size: 1.8rem;
        line-height: 1.3;
    }

    .about-description {
        font-size: 1rem;
        line-height: 1.7;
    }

    .office-showcase {
        transform: none;
        border-radius: 16px;
    }

    .office-showcase:hover {
        transform: translateY(-5px);
    }

    .element {
        display: none;
    }
}

/* 页脚样式 */
footer {
    background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
    color: white;
    padding: 60px 0 20px 0;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: flex-start;
}

.footer-logo .logo-text {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-logo .text-en {
    font-family: "Montserrat", sans-serif;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: #ccc;
}

.footer-logo .text-divider {
    width: 1px;
    height: 16px;
    background: linear-gradient(to bottom, transparent, #ccc, transparent);
    margin: 0 2px;
}

.footer-logo .text-yu,
.footer-logo .text-yao {
    font-family: "Noto Sans SC", sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: white;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.footer-section h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 20px;
    font-weight: 600;
}

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

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

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: 20px;
    text-align: center;
}

.copyright {
    color: #ccc;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        height: auto;
        padding: 10px 20px;
    }

    .nav-links {
        margin: 10px 0;
        gap: 1rem;
    }

    .nav-links a {
        font-size: 0.9rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
        min-height: auto;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
        margin-bottom: 30px;
    }

    .hero-stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin: 30px 0;
    }

    .hero-stats-grid .stat-item {
        text-align: center;
    }

    .hero-stats-grid .stat-number {
        font-size: 2rem;
    }

    .hero-visual {
        height: 400px;
    }

    .data-cards {
        position: static;
        transform: none;
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 20px;
    }

    .data-card {
        min-width: 150px;
        padding: 15px;
    }

    .circle-element {
        display: none;
    }

    .tech-icons i {
        font-size: 1.2rem;
    }

    .btn-primary,
    .btn-secondary {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    .core-features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .core-feature-card {
        padding: 30px 20px;
    }

    .feature-content {
        flex-direction: column;
        gap: 40px;
        text-align: center;
        padding: 0 40px;
        margin: 0 50px;
        min-height: auto;
    }

    .feature-content.reverse {
        flex-direction: column;
    }

    .feature-text h2 {
        font-size: 2rem;
    }

    .feature-subtitle {
        font-size: 1rem;
    }

    .feature-animation {
        height: 300px;
    }

    .animation-container {
        width: 250px;
        height: 250px;
    }

    .icon-circle {
        width: 100px;
        height: 100px;
    }

    .icon-circle i {
        font-size: 2rem;
    }

    .pulse-ring {
        display: none;
    }

    .floating-box {
        width: 30px;
        height: 30px;
    }

    .chart-bar {
        width: 15px;
        margin: 0 5px;
    }

    .pie-segment {
        width: 60px;
        height: 60px;
    }

    .supply-node {
        width: 25px;
        height: 25px;
    }

    .supply-link {
        height: 2px;
    }

    .advantages-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .advantage-card {
        padding: 30px 20px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-text {
        font-size: 0.8rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* ==================== 价格页面样式 ==================== */

/* 价格页面主容器 */
.pricing-page {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
    padding-top: 75px;
}

/* 价格页面头部 */
.pricing-header {
    text-align: center;
    padding: 80px 0 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.pricing-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(10px, 10px); }
}

.pricing-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #f0f8ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 4px 20px rgba(255, 255, 255, 0.3);
    position: relative;
    z-index: 2;
}

.pricing-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
    position: relative;
    z-index: 2;
}

/* 价格卡片容器 */
.pricing-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    transform: translateY(-40px);
    position: relative;
    z-index: 3;
}

/* 主要价格卡片 */
.pricing-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    padding: 50px;
    margin-bottom: 60px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 80px rgba(102, 126, 234, 0.2);
}

/* 价格卡片头部 */
.pricing-card-header {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.pricing-card-header h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
}

.price {
    font-size: 4rem !important;
    font-weight: 800 !important;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    -webkit-background-clip: text !important;
    background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    margin: 20px 0 !important;
    position: relative;
    display: inline-block;
}

.price span {
    font-size: 1.5rem !important;
    color: #718096 !important;
    font-weight: 500 !important;
    -webkit-text-fill-color: #718096 !important;
}

/* 功能列表 */
.pricing-features {
    list-style: none !important;
    padding: 0 !important;
    margin-bottom: 50px !important;
}

.pricing-features li {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 20px 0 !important;
    border-bottom: 1px solid #e2e8f0 !important;
    transition: all 0.3s ease !important;
}

.pricing-features li:hover {
    background: rgba(102, 126, 234, 0.05);
    padding-left: 15px;
    border-radius: 8px;
}

.pricing-features li:last-child {
    border-bottom: none !important;
}

.pricing-features li span:first-child {
    font-weight: 600;
    color: #2d3748;
    font-size: 1.1rem;
}

.feature-value {
    font-weight: 600 !important;
    color: #48bb78 !important;
    background: rgba(72, 187, 120, 0.1);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.95rem;
}

/* 总价格区域 */
.total-price {
    text-align: center !important;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(102, 126, 234, 0.1);
    margin-top: 30px !important;
}

.total-price p:first-child {
    font-size: 1.4rem !important;
    color: #2d3748;
    margin-bottom: 10px;
}

.total-price span {
    font-size: 2rem !important;
    font-weight: 800 !important;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    -webkit-background-clip: text !important;
    background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
}

.total-price p:last-child {
    font-size: 1.1rem !important;
    color: #718096 !important;
    margin-top: 10px;
}

/* 免费试用区域 */
.free-trial-section {
    background: white !important;
    padding: 80px 60px !important;
    border-radius: 25px !important;
    text-align: center !important;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(102, 126, 234, 0.1);
    position: relative;
    overflow: hidden;
}

.free-trial-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.02), rgba(118, 75, 162, 0.02));
    z-index: 1;
}

.free-trial-section > * {
    position: relative;
    z-index: 2;
}

.free-trial-title {
    font-size: 2.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 15px;
}

.free-trial-subtitle {
    font-size: 1.3rem;
    color: #718096;
    margin-bottom: 50px;
}

/* 试用功能网格 */
.free-trial-features {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)) !important;
    gap: 40px !important;
    margin-top: 50px !important;
    justify-content: center !important;
}

.trial-feature {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(102, 126, 234, 0.1);
    position: relative;
    overflow: hidden;
}

.trial-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.trial-feature:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(102, 126, 234, 0.15);
}

.trial-icon {
    font-size: 3rem !important;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    -webkit-background-clip: text !important;
    background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    margin-bottom: 20px !important;
}

.trial-feature h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
}

.trial-feature p {
    color: #718096;
    line-height: 1.6;
    font-size: 1rem;
}

/* CTA按钮区域 */
.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 80px 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-top: 40px;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    background-size: 50px 50px;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% { transform: translateY(0px); }
    100% { transform: translateY(-100px); }
}

.btn-pricing {
    background: white;
    color: #667eea;
    padding: 25px 60px;
    border: none;
    border-radius: 8px;
    font-size: 1.4rem;
    font-weight: 800;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.btn-pricing:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    background: #f8f9fa;
}

.btn-pricing i {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.btn-pricing:hover i {
    transform: translateX(5px) scale(1.1);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .pricing-card {
        padding: 40px 30px;
    }
    
    .trial-section > h3 {
        padding: 50px 40px 30px;
        font-size: 2.5rem;
    }
    
    .trial-section > p {
        padding: 0 40px 30px;
        font-size: 1.2rem;
    }
    
    .trial-features {
        grid-template-columns: 1fr;
    }
    
    .trial-feature {
        padding: 40px;
        border-right: none;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .trial-feature:last-child {
        border-bottom: none;
    }
    
    .cta-section {
        padding: 60px 40px;
    }
}

@media (max-width: 768px) {
    .pricing-header {
        padding: 60px 0 40px;
    }
    
    .pricing-title {
        font-size: 2.5rem;
    }
    
    .pricing-subtitle {
        font-size: 1.1rem;
        padding: 0 20px;
    }
    
    .pricing-container {
        padding: 0 15px;
        transform: translateY(-20px);
    }
    
    .pricing-card {
        padding: 30px 20px;
        margin-bottom: 40px;
    }
    
    .price {
        font-size: 3rem !important;
    }
    
    .pricing-features li {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 10px;
        padding: 15px 0 !important;
    }
    
    .feature-value {
        align-self: flex-end;
    }
    
    .trial-section > h3 {
        padding: 40px 20px 20px;
        font-size: 2.2rem;
    }
    
    .trial-section > p {
        padding: 0 20px 30px;
        font-size: 1.1rem;
    }
    
    .trial-feature {
        padding: 30px 20px;
    }
    
    .trial-feature h4 {
        font-size: 1.4rem;
        padding-left: 30px;
    }
    
    .trial-feature h4::before {
        font-size: 1.2rem;
    }
    
    .trial-feature p {
        font-size: 1rem;
        padding-left: 30px;
    }
    
    .cta-section {
        padding: 50px 20px;
    }
    
    .btn-pricing {
        padding: 20px 40px;
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .pricing-title {
        font-size: 2rem;
    }
    
    .price {
        font-size: 2.5rem !important;
    }
    
    .pricing-features li span:first-child {
        font-size: 1rem;
    }
    
    .trial-section > h3 {
        font-size: 1.8rem;
        padding: 30px 15px 15px;
    }
    
    .trial-section > p {
        padding: 0 15px 20px;
        font-size: 1rem;
    }
    
    .trial-feature {
        padding: 25px 15px;
    }
    
    .trial-feature h4 {
        font-size: 1.2rem;
        padding-left: 25px;
    }
    
    .trial-feature p {
        font-size: 0.9rem;
        padding-left: 25px;
    }
    
    .cta-section {
        padding: 40px 15px;
    }
    
    .btn-pricing {
        padding: 16px 30px;
        font-size: 1.1rem;
        gap: 10px;
    }
}
