/* 摩金云 - 企业官网样式 v2.0 */

:root {
    --color-dark: #0f172a;
    --color-darker: #020617;
    --color-primary: #6366f1;
    --color-primary-light: #818cf8;
    --color-primary-dark: #4f46e5;
    --color-secondary: #06b6d4;
    --color-accent: #f97316;
    --color-accent-pink: #ec4899;
    --color-accent-green: #10b981;
    --color-text: #334155;
    --color-text-light: #64748b;
    --color-text-muted: #94a3b8;
    --color-bg: #ffffff;
    --color-bg-soft: #f8fafc;
    --color-bg-alt: #f1f5f9;
    --color-border: #e2e8f0;
    --font-sans: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 25px 60px rgba(0,0,0,0.15);
    --shadow-glow: 0 0 60px rgba(99, 102, 241, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
    --gradient-warm: linear-gradient(135deg, #f97316 0%, #ec4899 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 顶部导航 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s;
}

.header.scrolled {
    background: rgba(255,255,255,0.95);
    border-bottom-color: var(--color-border);
    box-shadow: 0 4px 30px rgba(0,0,0,0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 800;
}

.logo span {
    background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 40%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 48 48'%3E%3Cdefs%3E%3ClinearGradient id='cg' x1='0%25' y1='0%25' x2='100%25' y2='100%25'%3E%3Cstop offset='0%25' stop-color='%238b5cf6'/%3E%3Cstop offset='50%25' stop-color='%236366f1'/%3E%3Cstop offset='100%25' stop-color='%2306b6d4'/%3E%3C/linearGradient%3E%3C/defs%3E%3Cpath d='M40 26c0-4.4-3.6-8-8-8-.7 0-1.4.1-2.1.3C28.3 14.5 24.4 12 20 12c-6.1 0-11 4.9-11 11 0 .4 0 .7.1 1.1C5.9 25.1 4 27.9 4 31c0 4.4 3.6 8 8 8h26c3.3 0 6-2.7 6-6 0-3-2.2-5.5-5-5.9.6-1.3 1-2.7 1-4.1z' fill='url(%23cg)'/%3E%3Ctext x='24' y='32' font-family='Arial' font-size='18' font-weight='900' fill='white' text-anchor='middle'%3EM%3C/text%3E%3C/svg%3E") no-repeat center;
    background-size: contain;
    filter: drop-shadow(0 2px 8px rgba(99, 102, 241, 0.4));
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 20px;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: all 0.3s;
}

.nav-link:hover {
    color: var(--color-primary);
    background: rgba(99, 102, 241, 0.08);
}

.nav-link.active {
    color: var(--color-primary);
    font-weight: 600;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: none;
    transition: all 0.3s;
}

.btn-text {
    background: none;
    color: var(--color-text);
    padding: 12px 16px;
}

.btn-text:hover {
    color: var(--color-primary);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

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

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(99, 102, 241, 0.05);
}

.btn-white {
    background: white;
    color: var(--color-dark);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: 18px 40px;
    font-size: 16px;
    border-radius: var(--radius-lg);
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    position: relative;
    transition: all 0.3s;
}

.menu-toggle span::before,
.menu-toggle span::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    left: 0;
    transition: all 0.3s;
}

.menu-toggle span::before { top: -8px; }
.menu-toggle span::after { bottom: -8px; }

/* 移动端菜单展开样式 */
@media (max-width: 768px) {
    .nav.active {
        display: flex !important;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        z-index: 999;
        border-top: 1px solid var(--color-border);
    }
    
    .nav.active .nav-link {
        padding: 15px 20px;
        border-bottom: 1px solid var(--color-border);
        width: 100%;
    }
    
    .nav.active .nav-link:last-child {
        border-bottom: none;
    }
    
    .menu-toggle.active span {
        background: transparent;
    }
    
    .menu-toggle.active span::before {
        top: 0;
        transform: rotate(45deg);
    }
    
    .menu-toggle.active span::after {
        bottom: 0;
        transform: rotate(-45deg);
    }
}

/* Hero区域 */
.hero {
    padding: 160px 0 120px;
    background: linear-gradient(180deg, #faf5ff 0%, #f0f9ff 50%, var(--color-bg) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -15%;
    width: 900px;
    height: 900px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 60%);
    pointer-events: none;
    animation: pulse-slow 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.08) 0%, transparent 60%);
    pointer-events: none;
    animation: pulse-slow 10s ease-in-out infinite reverse;
}

@keyframes pulse-slow {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 28px;
    box-shadow: var(--shadow-sm);
}

.hero-badge-icon {
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-dark);
    margin-bottom: 28px;
    letter-spacing: -1.5px;
}

.hero-title .gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.hero-stat {
    text-align: left;
}

.hero-stat-value {
    font-size: 40px;
    font-weight: 800;
    color: var(--color-dark);
    line-height: 1;
    margin-bottom: 6px;
}

.hero-stat-value .accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stat-label {
    font-size: 14px;
    color: var(--color-text-muted);
    font-weight: 500;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual-main {
    width: 100%;
    max-width: 500px;
    height: 450px;
    background: var(--gradient-dark);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    transform: perspective(1000px) rotateY(-8deg) rotateX(5deg);
}

.hero-visual-main::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(135deg, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
        linear-gradient(45deg, rgba(236, 72, 153, 0.2) 0%, transparent 50%);
}

.hero-visual-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

.hero-visual-content {
    position: absolute;
    inset: 30px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.visual-card {
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.visual-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.visual-card-icon.purple { background: rgba(139, 92, 246, 0.3); }
.visual-card-icon.cyan { background: rgba(6, 182, 212, 0.3); }
.visual-card-icon.orange { background: rgba(249, 115, 22, 0.3); }
.visual-card-icon.pink { background: rgba(236, 72, 153, 0.3); }

.visual-card-text {
    flex: 1;
}

.visual-card-title {
    font-size: 14px;
    font-weight: 600;
    color: white;
    margin-bottom: 2px;
}

.visual-card-desc {
    font-size: 12px;
    color: rgba(255,255,255,0.6);
}

.visual-card-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

.hero-float-card {
    position: absolute;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 20px 24px;
    animation: float 5s ease-in-out infinite;
    z-index: 10;
}

.hero-float-card.card-1 {
    top: 10%;
    left: -60px;
    animation-delay: 0s;
}

.hero-float-card.card-2 {
    bottom: 15%;
    right: -50px;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.float-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 12px;
}

.float-card-icon.gradient { background: var(--gradient-primary); }
.float-card-icon.green { background: var(--gradient-secondary); }

.float-card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 4px;
}

.float-card-desc {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* 服务区域 */
.services {
    padding: 140px 0;
    background: var(--color-bg);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 72px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
}

.section-title {
    font-size: 44px;
    font-weight: 800;
    color: var(--color-dark);
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.section-desc {
    font-size: 18px;
    color: var(--color-text-light);
    line-height: 1.7;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s;
}

.service-card:hover {
    border-color: transparent;
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.15);
    transform: translateY(-8px);
}

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

.service-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 24px;
}

.service-icon.icon-1 { background: linear-gradient(135deg, #ddd6fe 0%, #c4b5fd 100%); }
.service-icon.icon-2 { background: linear-gradient(135deg, #cffafe 0%, #a5f3fc 100%); }
.service-icon.icon-3 { background: linear-gradient(135deg, #fce7f3 0%, #fbcfe8 100%); }
.service-icon.icon-4 { background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%); }
.service-icon.icon-5 { background: linear-gradient(135deg, #ffedd5 0%, #fed7aa 100%); }
.service-icon.icon-6 { background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%); }

.service-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
}

.service-desc {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-tag {
    display: inline-block;
    padding: 6px 12px;
    background: var(--color-bg-soft);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text);
}

/* 为什么选择我们 */
.why-us {
    padding: 140px 0;
    background: var(--gradient-dark);
    color: white;
    position: relative;
    overflow: hidden;
}

.why-us::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.why-us::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.why-us .section-tag { 
    background: rgba(99, 102, 241, 0.2);
    color: #a5b4fc; 
}
.why-us .section-title { color: white; }
.why-us .section-desc { color: rgba(255,255,255,0.7); }

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
}

.why-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: all 0.4s;
    backdrop-filter: blur(10px);
}

.why-card:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-6px);
    border-color: rgba(255,255,255,0.2);
}

.why-number {
    font-size: 56px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 20px;
}

.why-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.why-desc {
    font-size: 15px;
    color: rgba(255,255,255,0.65);
    line-height: 1.7;
}

/* 合作案例 */
.cases {
    padding: 140px 0;
    background: linear-gradient(180deg, var(--color-bg-soft) 0%, var(--color-bg) 100%);
}

.cases-wrapper {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 64px;
    align-items: start;
}

.cases-info {
    position: sticky;
    top: 120px;
}

.cases-info .section-tag,
.cases-info .section-title,
.cases-info .section-desc { text-align: left; }

.cases-info .section-desc { margin-bottom: 32px; }

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

.case-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s;
}

.case-card:hover {
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.15);
    transform: translateY(-8px);
}

.case-image {
    width: 100%;
    height: 180px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.case-image.bg-1 { background: linear-gradient(135deg, #c4b5fd 0%, #a78bfa 100%); }
.case-image.bg-2 { background: linear-gradient(135deg, #fde68a 0%, #fbbf24 100%); }
.case-image.bg-3 { background: linear-gradient(135deg, #a7f3d0 0%, #34d399 100%); }
.case-image.bg-4 { background: linear-gradient(135deg, #fbcfe8 0%, #f472b6 100%); }

.case-image-icon {
    font-size: 56px;
    margin-bottom: 12px;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

.case-image-decor {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
    padding: 0 16px;
}

.decor-tag {
    padding: 4px 12px;
    background: rgba(255,255,255,0.85);
    border-radius: 100px;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-dark);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.case-content {
    padding: 24px;
}

.case-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-bg-alt);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.case-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.case-desc {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* CTA区域 */
.cta {
    padding: 120px 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -25%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 40%);
    pointer-events: none;
}

.cta::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -20%;
    width: 60%;
    height: 150%;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.3) 0%, transparent 40%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 44px;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.cta-desc {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 40px;
    line-height: 1.7;
}

.cta .btn-white:hover {
    background: rgba(255,255,255,0.95);
}

/* 页脚 */
.footer {
    background: var(--color-darker);
    color: white;
    padding: 100px 0 50px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 64px;
    margin-bottom: 64px;
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 20px;
}

.footer-logo span {
    background: linear-gradient(135deg, #a78bfa 0%, #818cf8 40%, #22d3ee 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-desc {
    font-size: 15px;
    color: rgba(255,255,255,0.6);
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.3s;
}

.footer-social a:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 24px;
    color: white;
}

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

.footer-links li {
    margin-bottom: 14px;
}

.footer-links a {
    font-size: 15px;
    color: rgba(255,255,255,0.6);
    transition: color 0.2s;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: rgba(255,255,255,0.5);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    color: rgba(255,255,255,0.5);
}

.footer-bottom-links a:hover {
    color: white;
}

/* 响应式 */
@media (max-width: 1200px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .cases-list { grid-template-columns: 1fr; }
}

@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-title { font-size: 44px; }
    .hero-desc { margin: 0 auto 40px; }
    .hero-actions { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { display: none; }
    
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    
    .cases-wrapper { grid-template-columns: 1fr; }
    .cases-info { position: static; text-align: center; }
    .cases-info .section-tag,
    .cases-info .section-title,
    .cases-info .section-desc { text-align: center; }
    .cases-list { grid-template-columns: repeat(2, 1fr); }
    
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 48px; }
}

@media (max-width: 768px) {
    .nav { display: none; }
    .menu-toggle { display: flex; }
    
    .hero { padding: 130px 0 80px; }
    .hero-title { font-size: 34px; letter-spacing: -0.5px; }
    .hero-desc { font-size: 16px; }
    .hero-stats { flex-direction: column; gap: 24px; }
    .hero-stat-value { font-size: 32px; }
    
    .section-title { font-size: 32px; }
    .services, .why-us, .cases { padding: 80px 0; }
    .services-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: 1fr; }
    .cases-list { grid-template-columns: 1fr; }
    
    .service-card { padding: 28px; }
    .why-card { padding: 28px; }
    
    .cta { padding: 80px 0; }
    .cta-title { font-size: 28px; }
    
    .footer { padding: 60px 0 40px; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .footer-brand { max-width: 100%; }
    .footer-social { justify-content: center; }
    .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}

/* 动画 */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--color-primary), var(--color-accent-pink));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--color-primary-dark), var(--color-accent-pink));
}
