/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 适合政府企业的稳重配色 */
    --china-red: #C8102E;
    --china-red-dark: #8B0000;
    --china-gold: #FFD700;
    --china-gold-light: #FFE55C;
    --china-blue: #0056b3;
    --china-dark: #1a1a1a;
    --china-purple: #4a4a6a;
    --china-light: #2a2a2a;
    --china-white: #ffffff;
    --china-gray: #b0b0b0;
    
    /* 渐变色 - 更加稳重 */
    --gradient-red: linear-gradient(135deg, #C8102E 0%, #E63946 50%, #FF6B6B 100%);
    --gradient-gold: linear-gradient(135deg, #FFD700 0%, #FFE55C 50%, #FFF176 100%);
    --gradient-blue: linear-gradient(135deg, #0056b3 0%, #0277bd 50%, #0097a7 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 50%, #3a3a3a 100%);
    
    /* 阴影 - 更柔和 */
    --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(255, 215, 0, 0.2);
    
    /* 过渡 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 14px;
}

body {
    font-family: 'Microsoft YaHei', 'SimHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--china-white);
    background-color: var(--china-dark);
    overflow-x: hidden;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* 背景纹理 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(139, 0, 0, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(75, 0, 130, 0.1) 0%, transparent 40%);
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, rgba(13, 13, 26, 0.98) 0%, rgba(13, 13, 26, 0.95) 100%);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(139, 0, 0, 0.5);
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
    z-index: 1000;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 1.3rem;
    font-weight: 900;
    color: var(--china-gold);
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
    letter-spacing: 0.8px;
    flex-shrink: 0;
}

.logo-icon {
    font-size: 1.8rem;
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-menu a {
    color: var(--china-white);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    position: relative;
    padding: 0.4rem 0;
    transition: var(--transition);
    letter-spacing: 0;
    white-space: nowrap;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-gold);
    transition: var(--transition);
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-menu a:hover {
    color: var(--china-gold);
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
}

.hamburger span {
    width: 30px;
    height: 3px;
    background: var(--china-gold);
    transition: var(--transition);
}

/* 首页横幅 - 更稳重 */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-dark);
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 90%, rgba(139, 0, 0, 0.4) 0%, transparent 30%),
        radial-gradient(circle at 90% 10%, rgba(75, 0, 130, 0.3) 0%, transparent 30%);
    animation: heroGlow 8s ease-in-out infinite;
}

@keyframes heroGlow {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
}

.dragon-pattern {
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 50px,
            rgba(212, 175, 55, 0.03) 50px,
            rgba(212, 175, 55, 0.03) 100px
        ),
        repeating-linear-gradient(
            -45deg,
            transparent,
            transparent 50px,
            rgba(139, 0, 0, 0.03) 50px,
            rgba(139, 0, 0, 0.03) 100px
        );
    animation: patternMove 60s linear infinite;
}

@keyframes patternMove {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    word-break: break-word;
}

.title-highlight {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    filter: drop-shadow(0 0 30px rgba(255, 215, 0, 0.5));
    animation: titlePulse 3s ease-in-out infinite;
}

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

.hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--china-gold);
    font-weight: 700;
    letter-spacing: 1.5px;
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
}

.hero-features {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.8rem;
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.4) 0%, rgba(13, 13, 13, 0.95) 100%);
    border: 2px solid rgba(255, 215, 0, 0.4);
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
    white-space: nowrap;
    flex: 0 0 auto;
    min-width: auto;
}

.feature-badge:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 215, 0, 0.3);
    border-color: var(--china-gold);
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.6) 0%, rgba(13, 13, 13, 0.95) 100%);
}

.badge-icon {
    font-size: 1.3rem;
    filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.5));
    flex-shrink: 0;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
}

.btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 900;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    white-space: nowrap;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.btn-primary {
    background: var(--gradient-red);
    color: var(--china-white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    border: 2px solid var(--china-gold);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--china-gold);
    border: 2px solid var(--china-gold);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.btn-secondary:hover {
    background: var(--china-gold);
    color: var(--china-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

/* 盾牌动画 - 更稳重 */
.shield-animation {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.shield-circle {
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200, 16, 46, 0.3) 0%, transparent 70%);
    animation: circlePulse 4s ease-in-out infinite;
}

@keyframes circlePulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.05); opacity: 0.7; }
}

.shield-icon {
    font-size: 150px;
    z-index: 10;
    animation: shieldFloat 4s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.5));
}

@keyframes shieldFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(3deg); }
}

.shield-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid;
    border-color: var(--china-gold);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
}

.ring-1 {
    width: 220px;
    height: 220px;
    animation: ringRotate 20s linear infinite;
}

.ring-2 {
    width: 270px;
    height: 270px;
    animation: ringRotate 25s linear infinite reverse;
    border-color: var(--china-red);
    box-shadow: 0 0 15px rgba(200, 16, 46, 0.4);
}

.ring-3 {
    width: 350px;
    height: 350px;
    animation: ringRotate 30s linear infinite;
    border-color: var(--china-blue);
    box-shadow: 0 0 15px rgba(0, 86, 179, 0.4);
}

@keyframes ringRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 区块通用样式 */
section {
    padding: 3rem 0;
    position: relative;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--china-gold), transparent);
    opacity: 0.3;
}

.section-title {
    font-size: 2rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 0.8rem;
    color: var(--china-gold);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 30px rgba(212, 175, 55, 0.5);
    word-break: break-word;
}

.title-icon {
    font-size: 2rem;
    margin-right: 0.5rem;
}

.section-subtitle {
    font-size: 1rem;
    text-align: center;
    color: var(--china-gray);
    margin-bottom: 2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* 核心优势 - 更稳重 */
.features {
    background: linear-gradient(180deg, var(--china-dark) 0%, var(--china-light) 50%, var(--china-dark) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    position: relative;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(42, 42, 42, 0.9) 0%, rgba(13, 13, 13, 0.95) 100%);
    border-radius: 10px;
    border: 2px solid rgba(255, 215, 0, 0.2);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    overflow: hidden;
    min-height: auto;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--china-gold);
}

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

.feature-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 0.8rem;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.6) 0%, rgba(13, 13, 13, 0.95) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.4);
    border: 2px solid rgba(255, 215, 0, 0.3);
    flex-shrink: 0;
}

.icon-inner {
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.6rem;
    color: var(--china-gold);
    font-weight: 900;
    letter-spacing: 0.8px;
    word-break: break-word;
}

.feature-card p {
    color: var(--china-gray);
    line-height: 1.5;
    font-size: 0.9rem;
    word-wrap: break-word;
}

.feature-decoration {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(139, 0, 0, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

/* 证书产品 - 更稳重 */
.certificates {
    background: linear-gradient(180deg, var(--china-dark) 0%, rgba(0, 86, 179, 0.1) 50%, var(--china-dark) 100%);
}

/* 服务通知 */
.service-notice {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1.75rem;
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.15) 0%, rgba(13, 13, 13, 0.95) 100%);
    border-left: 5px solid var(--china-gold);
    border-radius: 8px;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-sm);
}

.notice-icon {
    font-size: 1.5rem;
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5));
    flex-shrink: 0;
}

.notice-text {
    color: var(--china-white);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* 产品分类 */
.cert-category {
    margin-bottom: 3rem;
}

.cert-category:last-child {
    margin-bottom: 0;
}

.category-title {
    font-size: 1.5rem;
    color: var(--china-gold);
    font-weight: 900;
    margin-bottom: 1.5rem;
    padding-bottom: 0.8rem;
    border-bottom: 3px solid var(--china-red);
    letter-spacing: 1.5px;
    position: relative;
}

.category-title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100px;
    height: 3px;
    background: var(--china-gold);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.cert-grid.one-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.cert-grid.one-row .cert-card {
    flex: 0 0 calc(25% - 1.125rem);
    max-width: calc(25% - 1.125rem);
}

.cert-card {
    background: linear-gradient(135deg, rgba(42, 42, 42, 0.9) 0%, rgba(13, 13, 13, 0.95) 100%);
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
    min-height: auto;
    display: flex;
    flex-direction: column;
}

.cert-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.cert-card.popular {
    border-color: var(--china-gold);
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.2) 0%, rgba(13, 13, 13, 0.95) 100%);
}

.cert-card.popular:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.popular-badge {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-gold);
    color: var(--china-dark);
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-weight: 900;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.5);
}

.cert-header {
    text-align: center;
    margin-bottom: 1rem;
}

.cert-header h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--china-gold);
    font-weight: 900;
    letter-spacing: 0.8px;
    word-break: break-word;
    line-height: 1.4;
}

.cert-badge {
    display: inline-block;
    padding: 0.3rem 0.6rem;
    background: rgba(200, 16, 46, 0.3);
    color: var(--china-white);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    border: 1px solid var(--china-red);
}

.cert-price {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid rgba(255, 215, 0, 0.2);
    display: none;
}

.cert-features {
    list-style: none;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.cert-features li {
    padding: 0.5rem 0;
    color: var(--china-gray);
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.85rem;
    word-break: break-word;
    line-height: 1.4;
}

.cert-features .check {
    color: var(--china-gold);
    font-weight: 900;
    font-size: 1.1rem;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.cert-features .cross {
    color: var(--china-gray);
}

.cert-features.disabled {
    opacity: 0.4;
}

.cert-btn {
    width: 100%;
    background: var(--gradient-red);
    color: var(--china-white);
    font-size: 0.9rem;
    padding: 0.8rem;
}

.cert-card.popular .cert-btn {
    background: var(--gradient-gold);
    color: var(--china-dark);
}

/* 数据安全 - 更稳重 */
.security {
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.2) 0%, var(--china-dark) 50%, rgba(0, 86, 179, 0.2) 100%);
    position: relative;
    overflow: hidden;
}

.security::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(212, 175, 55, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(139, 0, 0, 0.1) 0%, transparent 40%);
    animation: securityGlow 10s ease-in-out infinite;
}

@keyframes securityGlow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.security .container {
    position: relative;
    z-index: 1;
}

.security .section-title,
.security .section-subtitle {
    color: var(--china-white);
    text-align: center;
}

.security .section-title {
    margin-bottom: 0.8rem;
}

.security .section-subtitle {
    margin-bottom: 3rem;
}

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

.security-points {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.8rem;
}

.security-point {
    display: flex;
    gap: 1rem;
    padding: 0.9rem 1rem;
    background: linear-gradient(135deg, rgba(26, 26, 78, 0.8) 0%, rgba(13, 13, 26, 0.9) 100%);
    border-radius: 15px;
    border: 2px solid rgba(212, 175, 55, 0.3);
    transition: var(--transition);
    align-items: flex-start;
}

.security-point:hover {
    background: linear-gradient(135deg, rgba(139, 0, 0, 0.4) 0%, rgba(13, 13, 26, 0.9) 100%);
    transform: translateX(10px);
    border-color: var(--china-gold);
    box-shadow: var(--shadow-glow);
}

.point-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.5));
    flex-shrink: 0;
}

.point-text h4 {
    font-size: 1rem;
    margin-bottom: 0.4rem;
    color: var(--china-gold);
    font-weight: 900;
    letter-spacing: 0.8px;
}

.point-text p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    line-height: 1.4;
    word-wrap: break-word;
}

.data-flow-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    justify-content: center;
    height: 100%;
}

.data-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(26, 26, 78, 0.8) 0%, rgba(13, 13, 26, 0.9) 100%);
    border-radius: 20px;
    border: 3px solid rgba(212, 175, 55, 0.4);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.flow-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(139, 0, 0, 0.4) 0%, rgba(13, 13, 26, 0.9) 100%);
    border-radius: 15px;
    min-width: 100px;
    border: 2px solid rgba(139, 0, 0, 0.5);
    font-weight: 700;
    font-size: 0.9rem;
}

.flow-node.active {
    background: var(--gradient-red);
    animation: nodeGlow 2s ease-in-out infinite;
    border-color: var(--china-gold);
}

@keyframes nodeGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(139, 0, 0, 0.8); }
    50% { box-shadow: 0 0 50px rgba(212, 175, 55, 0.8); }
}

.node-icon {
    font-size: 2rem;
}

.flow-arrow {
    font-size: 2rem;
    color: var(--china-gold);
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
}

/* 关于我们 - 更稳重 */
.about {
    background: linear-gradient(180deg, var(--china-dark) 0%, var(--china-light) 50%, var(--china-dark) 100%);
}

.about .section-title,
.about .section-subtitle {
    color: var(--china-gold);
}

.about .section-title {
    margin-top: 0;
}

.stat-unit {
    color: var(--china-gold);
    font-size: 1rem;
    font-weight: 700;
}

/* 服务范围 */
.service-scope {
    margin-top: 1rem;
    padding: 1.2rem 1.5rem;
    background: linear-gradient(135deg, rgba(0, 86, 179, 0.1) 0%, rgba(13, 13, 13, 0.95) 100%);
    border-radius: 10px;
    border: 2px solid rgba(255, 215, 0, 0.2);
}

.service-scope h4 {
    color: var(--china-gold);
    font-size: 1.15rem;
    margin-bottom: 0.8rem;
    font-weight: 900;
    letter-spacing: 1px;
}

.scope-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.scope-tag {
    padding: 0.4rem 0.9rem;
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.3) 0%, rgba(13, 13, 13, 0.95) 100%);
    border: 1px solid var(--china-red);
    border-radius: 6px;
    color: var(--china-white);
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
}

.scope-tag:hover {
    background: var(--china-red);
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

/* 地图图例 */
.map-legend {
    position: absolute;
    bottom: 20px;
    left: 20px;
    padding: 0.75rem 1.25rem;
    background: rgba(13, 13, 13, 0.95);
    border-radius: 8px;
    border: 2px solid rgba(255, 215, 0, 0.3);
    box-shadow: var(--shadow-sm);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--china-white);
    font-size: 0.85rem;
    font-weight: 600;
}

.legend-dot {
    width: 12px;
    height: 12px;
    background: var(--china-red);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(200, 16, 46, 0.8);
    animation: legendPulse 2s ease-in-out infinite;
}

@keyframes legendPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.2); }
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.2rem;
    margin-bottom: 3rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.2) 0%, rgba(13, 13, 13, 0.95) 100%);
    border-radius: 10px;
    border: 2px solid rgba(255, 215, 0, 0.2);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--china-gold);
}

.stat-number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--china-gold);
    margin-bottom: 0.4rem;
    text-shadow: 0 0 30px rgba(212, 175, 55, 0.5);
}

.stat-label {
    color: var(--china-gray);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.8px;
}

.stat-percent {
    color: var(--china-gold);
    font-size: 1.5rem;
    font-weight: 900;
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: stretch;
}

.about-text p {
    margin-bottom: 1.25rem;
    color: var(--china-gray);
    line-height: 1.7;
    font-size: 1rem;
    word-wrap: break-word;
}

.china-map {
    position: relative;
    width: 100%;
    height: 350px;
    background: linear-gradient(135deg, var(--china-light) 0%, var(--china-dark) 100%);
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid rgba(255, 215, 0, 0.3);
    box-shadow: var(--shadow-lg);
    min-height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-point {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--china-red);
    border-radius: 50%;
    animation: pointPulse 2s ease-in-out infinite;
    box-shadow: 0 0 15px rgba(200, 16, 46, 0.8);
}

.map-point::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: rgba(200, 16, 46, 0.4);
    border-radius: 50%;
    animation: pointRipple 2s ease-in-out infinite;
}

.point-1 { top: 30%; left: 30%; animation-delay: 0s; }
.point-2 { top: 40%; left: 50%; animation-delay: 0.4s; }
.point-3 { top: 50%; left: 70%; animation-delay: 0.8s; }
.point-4 { top: 60%; left: 40%; animation-delay: 1.2s; }
.point-5 { top: 55%; left: 60%; animation-delay: 1.6s; }

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

@keyframes pointRipple {
    0% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(2.5); }
}

/* 联系我们 - 更稳重 */
.contact {
    background: linear-gradient(180deg, var(--china-dark) 0%, rgba(0, 86, 179, 0.1) 50%, var(--china-dark) 100%);
}

.contact-info-full {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.contact-item.grand {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem;
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.15) 0%, rgba(13, 13, 13, 0.95) 100%);
    border-radius: 10px;
    border: 2px solid rgba(255, 215, 0, 0.2);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.contact-item.grand::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition);
}

.contact-item.grand:hover {
    transform: translateY(-3px);
    border-color: var(--china-gold);
    box-shadow: var(--shadow-md);
}

.contact-item.grand:hover::after {
    opacity: 1;
}

.contact-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.5));
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
    color: var(--china-gold);
    font-weight: 900;
    letter-spacing: 1px;
}

.contact-text p {
    color: var(--china-gray);
    font-size: 0.95rem;
    font-weight: 600;
    word-wrap: break-word;
}

.contact-decoration {
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(139, 0, 0, 0.3) 0%, transparent 70%);
    border-radius: 50%;
}

/* 页脚 - 更稳重 */
.footer {
    background: linear-gradient(135deg, rgba(13, 13, 13, 0.98) 0%, var(--china-dark) 100%);
    color: var(--china-white);
    padding: 3rem 0 1.5rem;
    border-top: 3px solid var(--china-gold);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--china-gold);
    font-weight: 900;
    letter-spacing: 1px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--china-gold);
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
}

.footer-logo .logo-text {
    color: var(--china-gold);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
    line-height: 1.6;
    font-size: 0.95rem;
    word-wrap: break-word;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 600;
    font-size: 0.95rem;
}

.social-links a:hover {
    color: var(--china-gold);
    text-shadow: 0 0 15px rgba(212, 175, 55, 0.5);
}

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

.footer-section li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
    display: block;
}

.footer-section a:hover {
    color: var(--china-gold);
    padding-left: 8px;
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(212, 175, 55, 0.3);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 1rem;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
        letter-spacing: 3px;
    }

    .hero-subtitle {
        font-size: 1.2rem;
        letter-spacing: 1px;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-features {
        justify-content: center;
    }

    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }

    .hero-visual {
        display: none;
    }

    .security-content,
    .about-content {
        grid-template-columns: 1fr;
    }

    .shield-animation {
        display: none;
    }

    .cert-grid.one-row .cert-card {
        flex: 0 0 calc(50% - 0.75rem);
        max-width: calc(50% - 0.75rem);
    }

    .feature-badge {
        flex: 0 1 calc(33.333% - 0.75rem);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: linear-gradient(180deg, rgba(13, 13, 26, 0.98) 0%, rgba(26, 26, 78, 0.95) 100%);
        width: 100%;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
        border-bottom: 2px solid var(--china-gold);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .section-title {
        font-size: 2rem;
        letter-spacing: 2px;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
        letter-spacing: 0;
    }
    
    .features-grid,
    .cert-grid,
    .about-stats,
    .contact-info-full {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
        letter-spacing: 2px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        letter-spacing: 0;
    }
    
    .feature-card,
    .cert-card,
    .contact-item.grand {
        padding: 1.5rem;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
    }
    
    .icon-inner {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        padding: 0.875rem 1.75rem;
        font-size: 0.95rem;
    }
    
    .logo {
        font-size: 1.2rem;
    }
    
    .logo-icon {
        font-size: 1.5rem;
    }
}

/* 客服飘窗 */
.floating-service {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.floating-toggle {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.9) 0%, rgba(139, 0, 0, 0.95) 100%);
    border: 3px solid var(--china-gold);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 30px rgba(212, 175, 55, 0.3);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    animation: floatPulse 2s ease-in-out infinite;
}

@keyframes floatPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 30px rgba(212, 175, 55, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 6px 30px rgba(0, 0, 0, 0.6), 0 0 40px rgba(212, 175, 55, 0.5);
    }
}

.floating-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6), 0 0 50px rgba(212, 175, 55, 0.6);
}

.toggle-icon {
    font-size: 1.8rem;
    line-height: 1;
    margin-bottom: 2px;
}

.toggle-text {
    font-size: 0.75rem;
    font-weight: 900;
    color: var(--china-gold);
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

.floating-menu {
    position: absolute;
    bottom: 85px;
    right: 0;
    background: linear-gradient(135deg, rgba(42, 42, 42, 0.98) 0%, rgba(13, 13, 13, 0.99) 100%);
    border-radius: 15px;
    border: 2px solid rgba(255, 215, 0, 0.4);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6), 0 0 60px rgba(212, 175, 55, 0.2);
    padding: 1.2rem;
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.9);
    transition: var(--transition);
}

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

.menu-title {
    font-size: 1.1rem;
    font-weight: 900;
    color: var(--china-gold);
    text-align: center;
    margin-bottom: 1rem;
    letter-spacing: 1px;
    text-shadow: 0 0 15px rgba(212, 175, 55, 0.5);
    padding-bottom: 0.8rem;
    border-bottom: 2px solid rgba(200, 16, 46, 0.5);
}

.menu-items {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 1rem;
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.2) 0%, rgba(13, 13, 13, 0.95) 100%);
    border: 2px solid rgba(255, 215, 0, 0.2);
    border-radius: 10px;
    text-decoration: none;
    transition: var(--transition);
    color: var(--china-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.menu-item:hover {
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.5) 0%, rgba(13, 13, 13, 0.95) 100%);
    border-color: var(--china-gold);
    transform: translateX(-5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), 0 0 20px rgba(212, 175, 55, 0.3);
}

.item-icon {
    font-size: 2rem;
    flex-shrink: 0;
    filter: drop-shadow(0 0 8px rgba(212, 175, 55, 0.4));
}

.item-content {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    flex-grow: 1;
}

.item-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.5px;
}

.item-value {
    font-size: 0.95rem;
    font-weight: 900;
    color: var(--china-gold);
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.4);
}

.wechat-item {
    flex-direction: row;
    align-items: center;
    padding: 0.9rem 1rem;
}

.wechat-item .item-icon {
    font-size: 2rem;
}

.wechat-item .item-content {
    flex-direction: column;
    gap: 0.3rem;
}

.wechat-item .item-label {
    font-size: 0.85rem;
}

.qrcode-container {
    width: 100%;
    text-align: left;
    margin-top: 0.3rem;
}

.qrcode-container img {
    width: 90px;
    height: 90px;
    border-radius: 6px;
    border: 2px solid rgba(255, 215, 0, 0.3);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    display: block;
}

/* 客服飘窗响应式 */
@media (max-width: 768px) {
    .floating-service {
        bottom: 20px;
        right: 20px;
    }

    .floating-toggle {
        width: 60px;
        height: 60px;
    }

    .toggle-icon {
        font-size: 1.5rem;
    }

    .toggle-text {
        font-size: 0.7rem;
    }

    .floating-menu {
        bottom: 75px;
        right: 0;
        min-width: 240px;
        padding: 1rem;
    }

    .menu-title {
        font-size: 1rem;
    }

    .item-icon {
        font-size: 1.8rem;
    }

    .item-label {
        font-size: 0.8rem;
    }

    .item-value {
        font-size: 0.9rem;
    }

    .wechat-qrcode img {
        width: 120px;
        height: 120px;
    }
}

/* 滚动动画 */
[data-aos] {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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