/* ===== 基础变量 ===== */
:root {
    --bg-primary: #08080f;
    --bg-secondary: #0d0d1a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(99, 102, 241, 0.3);

    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b0;
    --text-muted: #6a6a80;

    --accent-blue: #6366f1;
    --accent-purple: #8b5cf6;
    --accent-pink: #a855f7;
    --accent-cyan: #06b6d4;

    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-glow: radial-gradient(circle, rgba(99,102,241,0.15) 0%, transparent 70%);

    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 重置与基础 ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
    gap: 8px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}

.btn-outline:hover {
    border-color: var(--accent-blue);
    background: rgba(99, 102, 241, 0.1);
}

.btn-full {
    width: 100%;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(8, 8, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 12px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 20px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 18px;
}

.logo-text {
    background: linear-gradient(135deg, #f0f0f5 0%, #a0a0b0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero 区域 ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 100px 24px 80px;
}

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

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 8s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99,102,241,0.4) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139,92,246,0.3) 0%, transparent 70%);
    bottom: -50px;
    left: -100px;
    animation-delay: -3s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(168,85,247,0.25) 0%, transparent 70%);
    top: 40%;
    left: 30%;
    animation-delay: -5s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.stars {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(1px 1px at 20px 30px, rgba(255,255,255,0.3), transparent),
        radial-gradient(1px 1px at 40px 70px, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 50px 160px, rgba(255,255,255,0.3), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 160px 120px, rgba(255,255,255,0.2), transparent);
    background-repeat: repeat;
    background-size: 200px 200px;
    animation: twinkle 5s ease-in-out infinite;
    opacity: 0.6;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    border-radius: 100px;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    animation: fadeInDown 0.8s ease-out;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-size: clamp(40px, 8vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.title-line {
    display: block;
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.title-line:first-child {
    animation-delay: 0.1s;
}

.title-line.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation-delay: 0.2s;
}

.hero-subtitle {
    font-size: clamp(16px, 2.5vw, 20px);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease-out 0.3s forwards;
    opacity: 0;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease-out 0.4s forwards;
    opacity: 0;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    animation: fadeInUp 0.8s ease-out 0.5s forwards;
    opacity: 0;
}

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

.stat-number {
    font-size: 36px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

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

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

/* 滚动提示 */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 12px;
    animation: bounce 2s ease-in-out infinite;
    z-index: 1;
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 2px;
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% { opacity: 1; transform: translateY(0); }
    50% { opacity: 0.3; transform: translateY(4px); }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== 通用区块 ===== */
.section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--accent-blue);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}

.section-desc {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== 业务领域 ===== */
.business {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

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

.business-card {
    position: relative;
    padding: 40px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: var(--transition-slow);
    overflow: hidden;
}

.business-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99,102,241,0.08) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.business-card:hover .card-glow {
    opacity: 1;
}

.card-icon {
    width: 56px;
    height: 56px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--accent-blue);
}

.card-icon svg {
    width: 28px;
    height: 28px;
}

.business-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.business-card > p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 24px;
}

.feature-list li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    color: var(--text-muted);
    font-size: 14px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--gradient-primary);
    border-radius: 50%;
}

.business-card.featured {
    border-color: rgba(99, 102, 241, 0.3);
    background: linear-gradient(135deg, rgba(99,102,241,0.08) 0%, rgba(139,92,246,0.05) 100%);
}

.card-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    background: var(--gradient-primary);
    color: white;
    font-size: 11px;
    font-weight: 600;
    border-radius: 100px;
}

/* ===== 产品服务 ===== */
.products-showcase {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.showcase-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.showcase-item.reverse {
    direction: rtl;
}

.showcase-item.reverse > * {
    direction: ltr;
}

.showcase-content {
    max-width: 480px;
}

.showcase-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--accent-blue);
    font-size: 13px;
    font-weight: 500;
    border-radius: 100px;
    margin-bottom: 20px;
}

.showcase-content h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}

.showcase-content > p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 28px;
}

.showcase-features {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.feature-tag {
    padding: 8px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 100px;
    font-size: 13px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.feature-tag:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

/* 视觉卡片 */
.showcase-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-card {
    width: 100%;
    max-width: 420px;
    aspect-ratio: 4/3;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.visual-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99,102,241,0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* 售货机视觉 */
.vending-machine {
    width: 140px;
    height: 200px;
    background: linear-gradient(180deg, #1a1a2e 0%, #0f0f1a 100%);
    border: 2px solid var(--border-subtle);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.vm-screen {
    flex: 1;
    padding: 12px;
    background: rgba(99, 102, 241, 0.05);
}

.vm-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    height: 100%;
}

.vm-item {
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(139,92,246,0.15));
    border-radius: 6px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.vm-controls {
    padding: 12px;
    display: flex;
    gap: 8px;
    align-items: center;
    background: rgba(255,255,255,0.02);
    border-top: 1px solid var(--border-subtle);
}

.vm-btn {
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 50%;
}

.vm-slot {
    flex: 1;
    height: 20px;
    background: rgba(255,255,255,0.05);
    border-radius: 4px;
    border: 1px solid var(--border-subtle);
}

/* AI 系统视觉 */
.ai-nodes {
    position: relative;
    width: 200px;
    height: 200px;
}

.node {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 11px;
    font-weight: 600;
    color: white;
    animation: nodeFloat 4s ease-in-out infinite;
}

.node.central {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.4);
    z-index: 2;
    animation: nodePulse 3s ease-in-out infinite;
}

.node.n1 { width: 40px; height: 40px; background: rgba(99,102,241,0.8); top: 10%; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.node.n2 { width: 40px; height: 40px; background: rgba(139,92,246,0.8); top: 50%; right: 5%; transform: translateY(-50%); animation-delay: -1s; }
.node.n3 { width: 40px; height: 40px; background: rgba(168,85,247,0.8); bottom: 10%; left: 50%; transform: translateX(-50%); animation-delay: -2s; }
.node.n4 { width: 40px; height: 40px; background: rgba(6,182,212,0.8); top: 50%; left: 5%; transform: translateY(-50%); animation-delay: -3s; }

.connection {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(99,102,241,0.4), transparent);
    top: 50%;
    left: 50%;
    transform-origin: left center;
}

.connection.c1 { width: 70px; transform: translate(-50%, -50%) rotate(-90deg); }
.connection.c2 { width: 70px; transform: translate(-50%, -50%) rotate(0deg); }
.connection.c3 { width: 70px; transform: translate(-50%, -50%) rotate(90deg); }
.connection.c4 { width: 70px; transform: translate(-50%, -50%) rotate(180deg); }

@keyframes nodeFloat {
    0%, 100% { transform: translate(var(--tx, 0), var(--ty, 0)) scale(1); }
    50% { transform: translate(var(--tx, 0), calc(var(--ty, 0px) - 5px)) scale(1.05); }
}

@keyframes nodePulse {
    0%, 100% { box-shadow: 0 0 30px rgba(99, 102, 241, 0.4); }
    50% { box-shadow: 0 0 50px rgba(99, 102, 241, 0.6); }
}

/* 商品网格视觉 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding: 32px;
    width: 280px;
}

.pg-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.pg-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
}

.pg-icon.food { background: linear-gradient(135deg, rgba(245,158,11,0.2), rgba(245,158,11,0.1)); }
.pg-icon.daily { background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(59,130,246,0.1)); }
.pg-icon.beauty { background: linear-gradient(135deg, rgba(236,72,153,0.2), rgba(236,72,153,0.1)); }
.pg-icon.medical { background: linear-gradient(135deg, rgba(16,185,129,0.2), rgba(16,185,129,0.1)); }
.pg-icon.home { background: linear-gradient(135deg, rgba(139,92,246,0.2), rgba(139,92,246,0.1)); }
.pg-icon.baby { background: linear-gradient(135deg, rgba(14,165,233,0.2), rgba(14,165,233,0.1)); }

.pg-item span {
    font-size: 12px;
    color: var(--text-muted);
}

/* 知识库视觉 */
.kb-stack {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 180px;
}

.kb-doc {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 14px 16px;
    transition: var(--transition);
}

.kb-doc-1 { transform: rotate(-2deg); border-left: 3px solid var(--accent-blue); }
.kb-doc-2 { transform: rotate(1deg); border-left: 3px solid var(--accent-purple); }
.kb-doc-3 { transform: rotate(-1deg); border-left: 3px solid var(--accent-pink); }

.kb-line {
    height: 4px;
    background: rgba(255,255,255,0.08);
    border-radius: 2px;
    margin-bottom: 6px;
}

.kb-line:last-child { margin-bottom: 0; }
.kb-line-short { width: 60%; }

/* 工具链视觉 */
.tc-flow {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tc-node {
    padding: 10px 20px;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-blue);
    white-space: nowrap;
}

.tc-arrow {
    width: 24px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    position: relative;
}

.tc-arrow::after {
    content: '';
    position: absolute;
    right: -1px;
    top: 50%;
    transform: translateY(-50%);
    border: 4px solid transparent;
    border-left: 6px solid var(--accent-purple);
}

/* 外部链接标记 */
.nav-external::after {
    content: '↗';
    margin-left: 4px;
    font-size: 11px;
    opacity: 0.6;
}

/* ===== 关于我们 ===== */
.about {
    background: var(--bg-secondary);
}

.about-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content .section-tag,
.about-content .section-title {
    text-align: left;
}

.about-text {
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 20px;
    font-size: 16px;
}

.about-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.about-info {
    margin-top: 32px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    gap: 16px;
}

.info-item:last-child {
    border-bottom: none;
}

.info-label {
    color: var(--text-muted);
    font-size: 14px;
    white-space: nowrap;
}

.info-value {
    color: var(--text-secondary);
    font-size: 14px;
    text-align: right;
    word-break: break-all;
}

/* 公司卡片 */
.company-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 48px;
    text-align: center;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.company-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

.company-logo {
    font-size: 42px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.company-slogan {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 32px;
    letter-spacing: 0.1em;
}

.company-details {
    text-align: left;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    font-size: 14px;
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-row span:first-child {
    color: var(--text-muted);
}

.detail-row span:last-child {
    color: var(--text-secondary);
}

/* ===== 经营范围 ===== */
.scope {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.scope-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.scope-category {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}

.scope-category:hover {
    border-color: var(--border-glow);
    background: var(--bg-card-hover);
}

.scope-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.scope-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border-subtle);
}

.scope-icon.tech { background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(99,102,241,0.1)); }
.scope-icon.retail { background: linear-gradient(135deg, rgba(245,158,11,0.2), rgba(245,158,11,0.1)); }
.scope-icon.daily { background: linear-gradient(135deg, rgba(16,185,129,0.2), rgba(16,185,129,0.1)); }
.scope-icon.food { background: linear-gradient(135deg, rgba(239,68,68,0.2), rgba(239,68,68,0.1)); }
.scope-icon.beauty { background: linear-gradient(135deg, rgba(236,72,153,0.2), rgba(236,72,153,0.1)); }
.scope-icon.service { background: linear-gradient(135deg, rgba(6,182,212,0.2), rgba(6,182,212,0.1)); }

.scope-header h4 {
    font-size: 16px;
    font-weight: 600;
}

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

.scope-tags span {
    padding: 6px 14px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-subtle);
    border-radius: 100px;
    font-size: 13px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.scope-tags span:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    background: rgba(99, 102, 241, 0.05);
}

/* ===== 联系方式 ===== */
.contact {
    background: var(--bg-secondary);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info-side .section-tag,
.contact-info-side .section-title {
    text-align: left;
}

.contact-desc {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 16px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-blue);
}

.contact-icon svg {
    width: 22px;
    height: 22px;
}

.contact-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-top: 4px;
}

.contact-text .label {
    font-size: 13px;
    color: var(--text-muted);
}

.contact-text .value {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 表单 */
.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-card);
}

.form-card h3 {
    font-size: 20px;
    margin-bottom: 28px;
    font-weight: 600;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 16px 16px 48px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 15px;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: rgba(99, 102, 241, 0.05);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group label {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 15px;
    pointer-events: none;
    transition: var(--transition);
    background: transparent;
    padding: 0 4px;
}

.form-group textarea ~ label {
    top: 24px;
    transform: none;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -8px;
    left: 12px;
    transform: none;
    font-size: 12px;
    color: var(--accent-blue);
    background: var(--bg-secondary);
}

/* ===== 页脚 ===== */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-subtle);
    padding: 60px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 16px;
}

.footer-brand > p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.7;
    max-width: 320px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.link-group h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.link-group a {
    display: block;
    padding: 6px 0;
    color: var(--text-muted);
    font-size: 14px;
    transition: var(--transition);
}

.link-group a:hover {
    color: var(--accent-blue);
}

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

.footer-bottom p {
    color: var(--text-muted);
    font-size: 13px;
}

/* ===== 滚动动画 ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .business-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .scope-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-layout,
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .showcase-item {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .showcase-item.reverse {
        direction: ltr;
    }
    .showcase-content {
        max-width: 100%;
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(8, 8, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 80px 24px 24px;
        gap: 4px;
        transition: var(--transition);
        border-left: 1px solid var(--border-subtle);
    }
    .nav-menu.active {
        right: 0;
    }
    .nav-link {
        padding: 14px 16px;
        font-size: 16px;
    }
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    .hero-stats {
        gap: 32px;
    }
    .stat-number {
        font-size: 28px;
    }

    .section {
        padding: 80px 0;
    }
    .business-grid,
    .scope-grid {
        grid-template-columns: 1fr;
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-info .info-item {
        flex-direction: column;
        gap: 4px;
    }
    .info-value {
        text-align: left;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    .showcase-content h3 {
        font-size: 24px;
    }
    .company-card {
        padding: 32px 24px;
    }
    .form-card {
        padding: 28px 20px;
    }
}

/* ===== 打印样式 ===== */
@media print {
    .navbar, .scroll-indicator, .hero-bg, .footer {
        display: none;
    }
    .hero {
        min-height: auto;
        padding: 40px 24px;
    }
    .section {
        padding: 40px 0;
    }
    body {
        background: white;
        color: black;
    }
}