:root {
    /* 核心品牌色 - 更加沉稳与高级 */
    --primary-dark: #0a192f;       /* 深夜蓝背景 */
    --primary-main: #112240;       /* 主要容器背景 */
    --primary-light: #233554;      /* 次要容器背景 */
    
    /* 强调色 */
    --accent-gold: #ffd700;        /* 金色点缀 */
    --accent-gold-light: #ffe55c;
    --accent-blue: #64ffda;        /* 科技青 - 用于高亮 */
    --accent-red: #ff5a5f;         /* 警示/重要 - 柔和红 */

    /* 文本颜色 */
    --text-primary: #ccd6f6;       /* 主要文字 - 灰白 */
    --text-secondary: #8892b0;     /* 次要文字 - 灰蓝 */
    --text-highlight: #ffffff;     /* 高亮文字 - 纯白 */
    
    /* 背景色 */
    --bg-body: #f8f9fb;            /* 浅色模式下的背景 */
    --bg-white: #ffffff;
    
    /* 功能性颜色 */
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* 尺寸 */
    --nav-height: 70px;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
}

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

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #334155; /* Slate-700 */
    background-color: var(--bg-body);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* 工具类 */
.text-gradient {
    background: linear-gradient(120deg, var(--accent-blue), #4cc9f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* 导航栏 - 现代磨砂玻璃风格 */
.main-nav {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.main-nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo-mini {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
    color: #1e293b;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    border-radius: 8px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    box-shadow: 0 4px 6px rgba(30, 60, 114, 0.2);
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    font-size: 0.95rem;
    font-weight: 500;
    color: #475569;
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a:not(.nav-btn)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #1e3c72;
    transition: width 0.3s ease;
}

.nav-menu a:not(.nav-btn):hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #1e3c72;
}

.nav-btn {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white !important;
    padding: 0.5rem 1.25rem !important;
    border-radius: 2rem;
    box-shadow: 0 4px 6px rgba(30, 60, 114, 0.2);
    transition: transform 0.2s ease !important;
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(30, 60, 114, 0.3);
}

/* Hero Section - 沉浸式深色背景 */
.hero-section {
    position: relative;
    padding-top: calc(var(--nav-height) + 1rem);
    padding-bottom: 10px;
    background-color: #2a5298;
    /* 更“公共服务/机构官网”的天蓝色蒙层（保留图片）+ 简洁点阵 */
    background-image:
        radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.15) 1px, transparent 1.8px),
        linear-gradient(135deg, rgba(162, 224, 255, 0.8) 0%, rgba(118, 196, 255, 0.6) 45%, rgba(76, 171, 255, 0.4) 100%),
        radial-gradient(circle at 20% 10%, rgba(255, 255, 255, 0.2), transparent 45%),
        radial-gradient(circle at 80% 30%, rgba(255, 255, 255, 0.1), transparent 50%),
        /* 保留刚才那张背景图 */
        url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&q=80');
    background-size: 22px 22px, cover, cover, cover, cover;
    background-position: top left, center, center, center, center;
    background-repeat: repeat, no-repeat, no-repeat, no-repeat, no-repeat;
    color: white;
    overflow: hidden;
}

/* 动态背景形状 */
.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.shape {
    position: absolute;
    filter: blur(80px);
    opacity: 0.4;
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    top: -10%;
    right: -5%;
    width: 600px;
    height: 600px;
    background: #2a5298;
}

.shape-2 {
    bottom: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: #3b82f6;
    animation-delay: -5s;
}

.shape-3 {
    top: 40%;
    left: 40%;
    width: 300px;
    height: 300px;
    background: #c41e3a;
    opacity: 0.2;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 10px;
    align-items: center;
}

.hero-text-box {
    /* 给文字区加“更透明的轻量底”，配合整体变浅的背景 */
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.75rem 1.5rem;
    backdrop-filter: blur(8px);
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 2rem;
    font-size: 0.875rem;
    color: #64ffda;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(4px);
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 2.5rem;
    max-width: 600px;
    line-height: 1.7;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.32);
}

.hero-btns {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all 0.2s ease;
    cursor: pointer;
    font-size: 1rem;
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1.125rem;
}

.btn-primary {
    background: var(--accent-blue);
    color: #0f172a;
    border: none;
}

.btn-primary:hover {
    background: #99f6e4;
    transform: translateY(-2px);
}

.btn-glass {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.stat-label {
    font-size: 0.875rem;
    color: #94a3b8;
}

.stat-separator {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

/* 右侧浮动元素 */
.hero-image-box {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-logo-circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 40px rgba(30, 60, 114, 0.4);
    border: 4px solid rgba(255,255,255,0.1);
}

.main-logo-circle::before {
    content: '';
    position: absolute;
    inset: -20px;
    border: 2px dashed rgba(255,255,255,0.1);
    border-radius: 50%;
    animation: spin 30s linear infinite;
}

.main-logo-circle span {
    font-size: 4rem;
    font-weight: 800;
    color: rgba(255,255,255,0.1);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
    z-index: 20;
    min-width: 180px;
    animation: floating-card 6s infinite ease-in-out;
    border: 1px solid rgba(255,255,255,0.5);
}

.card-1 {
    top: 10%;
    left: 0;
}

.card-2 {
    bottom: 20%;
    right: 0;
    animation-delay: -2s;
}

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

.card-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.bg-blue { background: #1e3c72; }
.bg-gold { background: #d97706; }

.card-text h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0;
}

.card-text p {
    font-size: 0.75rem;
    color: #64748b;
    margin-bottom: 0;
}

/* 特性区域 (Features) */
.features-section {
    margin-top: -2rem;
    position: relative;
    z-index: 10;
    margin-bottom: 10px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(226, 232, 240, 0.5);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-icon-box {
    width: 50px;
    height: 50px;
    background: #f1f5f9;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: #1e3c72;
}

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

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #1e293b;
}

.feature-card p {
    font-size: 0.875rem;
    color: #64748b;
    line-height: 1.6;
}

/* 主要内容区域 (Grid Layout) */
.main-content-wrapper {
    margin-bottom: 10px;
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 10px;
    align-items: start;
}

/* 卡片通用样式 */
.content-card, .sidebar-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: 10px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
}

.card-body {
    padding: 1.5rem;
}

.section-tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #64748b;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 1.5rem;
}

.mb-0 { margin-bottom: 0; }

/* 简介卡片 */
.intro-text .lead-text {
    font-size: 1.1rem;
    color: #334155;
    margin-bottom: 1rem;
    line-height: 1.8;
}

.intro-text p {
    margin-bottom: 1.5rem;
    color: #64748b;
}

.link-with-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #1e3c72;
    font-weight: 600;
    font-size: 0.95rem;
}

.link-with-arrow svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.link-with-arrow:hover svg {
    transform: translateX(4px);
}

/* 通知公告列表 */
.card-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid #f1f5f9;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-text {
    font-size: 0.875rem;
    color: #64748b;
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-text:hover {
    color: #1e3c72;
}

.btn-text svg { width: 16px; height: 16px; }

.notice-list {
    padding: 0;
}

.notice-item {
    display: flex;
    padding: 1.5rem 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid #f1f5f9;
    transition: background 0.2s ease;
}

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

.notice-item:hover {
    background: #f8fafc;
}

.notice-date {
    background: #f1f5f9;
    border-radius: 12px;
    width: 60px;
    height: 65px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notice-date .day {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e3c72;
    line-height: 1;
}

.notice-date .month {
    font-size: 0.75rem;
    color: #64748b;
}

.notice-content {
    flex: 1;
}

.notice-content h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.notice-item:hover h3 {
    color: #1e3c72;
}

.notice-content p {
    font-size: 0.875rem;
    color: #64748b;
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.notice-meta {
    display: flex;
    gap: 0.75rem;
    font-size: 0.75rem;
    align-items: center;
}

.tag {
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
}

.tag-blue { background: #e0f2fe; color: #0284c7; }
.tag-green { background: #dcfce7; color: #16a34a; }
.tag-orange { background: #ffedd5; color: #ea580c; }

.notice-meta .date { color: #94a3b8; }

/* 侧边栏卡片 */
.sidebar-card {
    border-top: 4px solid #1e3c72;
}

.search-card-header {
    padding: 2rem 2rem 1rem;
    text-align: center;
}

.search-card-header .icon-box {
    width: 56px;
    height: 56px;
    background: #eff6ff;
    color: #1e3c72;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

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

.search-card-header h3 {
    font-size: 1.25rem;
    color: #0f172a;
    margin-bottom: 0.25rem;
}

.search-card-header p {
    font-size: 0.875rem;
    color: #64748b;
}

.search-card-body {
    padding: 1.5rem 2rem 2rem;
}

/* 现代表单 */
.modern-form .input-group {
    position: relative;
    margin-bottom: 1rem;
}

.input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    display: flex;
}

.input-icon svg { width: 18px; height: 18px; }

.modern-form input {
    width: 100%;
    padding: 12px 16px 12px 40px;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    transition: all 0.2s ease;
    background: #f8fafc;
}

.modern-form input:focus {
    outline: none;
    border-color: #1e3c72;
    background: white;
    box-shadow: 0 0 0 3px rgba(30, 60, 114, 0.1);
}

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

.captcha-group input {
    padding: 8px 12px !important;
    flex: 1;
}

#quickCaptchaCanvas {
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 1px solid #e2e8f0;
    height: 34px;
    flex-shrink: 0;
}

.btn-submit {
    width: 100%;
    padding: 12px;
    background: #1e3c72;
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 0.5rem;
}

.btn-submit:hover {
    background: #112240;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* 快速导航 */
.links-card {
    border-top-color: #d97706;
    padding: 1.5rem;
}

.links-card h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    padding-left: 0.5rem;
}

.links-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.link-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    transition: background 0.2s ease;
}

.link-item:hover {
    background: #f1f5f9;
}

.link-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1e3c72;
}

.link-icon svg { width: 20px; height: 20px; }

.bg-blue-light { background: #e0f2fe; color: #0369a1; }
.bg-purple-light { background: #f3e8ff; color: #7e22ce; }
.bg-orange-light { background: #ffedd5; color: #c2410c; }

.link-title {
    flex: 1;
    font-weight: 500;
    color: #334155;
}

.link-arrow {
    color: #cbd5e1;
    transition: transform 0.2s;
}

.link-item:hover .link-arrow {
    transform: translateX(3px);
    color: #64748b;
}

/* 联系卡片 */
.contact-card {
    border-top-color: #059669;
    padding: 1.5rem;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
}

.contact-content h3 {
    font-size: 1.125rem;
    color: #166534;
    margin-bottom: 0.25rem;
}

.contact-desc {
    font-size: 0.875rem;
    color: #15803d;
    margin-bottom: 1rem;
}

.contact-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: #14532d;
}

.contact-row svg { width: 18px; height: 18px; }

/* Footer */
footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 2.5rem 0 1.5rem;
    border-top: 1px solid #1e293b;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 10px;
    margin-bottom: 10px;
}

.footer-brand h3 {
    color: white;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    font-size: 0.875rem;
    opacity: 0.7;
}

.footer-links h4, .footer-contact h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: 1.25rem;
    font-weight: 600;
}

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

.footer-links a {
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: #64ffda;
}

.footer-contact p {
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 2rem;
    text-align: center;
    font-size: 0.875rem;
}

/* 响应式 */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-image-box {
        display: none; /* 移动端隐藏复杂装饰 */
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none; /* 这里需要 JS 实现汉堡菜单，或者简单处理为滚动横向 */
    }
    
    .nav-mobile-toggle {
        display: block; /* 需要添加样式 */
    }

    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* Mobile Toggle (Simplified) */
.nav-mobile-toggle {
    display: none;
    cursor: pointer;
}
.nav-mobile-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: #334155;
    margin: 5px 0;
}

/* ------------ 内页通用样式 ------------ */

/* 页面标题区域 */
.page-title-section {
    position: relative;
    padding: calc(var(--nav-height) + 2rem) 0 2rem;
    background-color: #2a5298;
    /* 与首页类似的蓝色渐变背景 */
    background-image:
        radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.15) 1px, transparent 1.8px),
        linear-gradient(135deg, rgba(162, 224, 255, 0.8) 0%, rgba(118, 196, 255, 0.6) 45%, rgba(76, 171, 255, 0.4) 100%),
        radial-gradient(circle at 20% 10%, rgba(255, 255, 255, 0.2), transparent 45%),
        radial-gradient(circle at 80% 30%, rgba(255, 255, 255, 0.1), transparent 50%),
        url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&q=80');
    background-size: 22px 22px, cover, cover, cover, cover;
    background-position: top left, center, center, center, center;
    background-repeat: repeat, no-repeat, no-repeat, no-repeat, no-repeat;
    color: white;
    text-align: center;
    margin-bottom: 10px;
    overflow: hidden;
}

.page-title h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.page-title p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
}

/* 内页主要内容 */
.about-intro-section {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 2rem;
    margin-bottom: 10px;
    border: 1px solid var(--border-color);
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 1.5rem;
    color: var(--primary-main);
    font-weight: 700;
    margin-right: 1rem;
}

.section-line {
    flex: 1;
    height: 1px;
    background: var(--border-color);
    margin-right: 1rem;
}

.section-badge {
    background: var(--accent-gold);
    color: #fff;
    padding: 4px 12px;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* 简介内容 */
.intro-lead {
    font-size: 1.1rem;
    color: var(--primary-main);
    font-weight: 600;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.intro-text p {
    margin-bottom: 1.5rem;
    color: #475569;
}

/* 亮点盒子 */
.intro-highlight {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin: 2.5rem 0;
}

.highlight-box {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-body);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease;
}

.highlight-box:hover {
    transform: translateY(-2px);
    background: #f1f5f9;
}

.highlight-icon {
    font-size: 2.5rem;
}

.highlight-text h4 {
    color: var(--primary-main);
    margin-bottom: 0.25rem;
    font-weight: 700;
}

.highlight-text p {
    font-size: 0.875rem;
    color: #64748b;
    margin: 0;
}

/* 特性标签 */
.intro-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2rem;
}

.feature-tag {
    background: var(--bg-body);
    color: var(--primary-main);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

/* 权威认证标识 (内页用) */
.authority-badges {
    margin-bottom: 10px;
}

.badges-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.badge-item {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

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

.badge-item span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-main);
}

/* 证书查询页 */
.certificate-hero {
    background-color: #2a5298;
    /* 与首页类似的蓝色渐变背景 */
    background-image:
        radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.15) 1px, transparent 1.8px),
        linear-gradient(135deg, rgba(162, 224, 255, 0.8) 0%, rgba(118, 196, 255, 0.6) 45%, rgba(76, 171, 255, 0.4) 100%),
        radial-gradient(circle at 20% 10%, rgba(255, 255, 255, 0.2), transparent 45%),
        radial-gradient(circle at 80% 30%, rgba(255, 255, 255, 0.1), transparent 50%),
        url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&q=80');
    background-size: 22px 22px, cover, cover, cover, cover;
    background-position: top left, center, center, center, center;
    background-repeat: repeat, no-repeat, no-repeat, no-repeat, no-repeat;
}

.page-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.9rem;
    border-radius: var(--radius-full);
    background: rgba(100, 255, 218, 0.12);
    border: 1px solid rgba(100, 255, 218, 0.35);
    color: var(--accent-blue);
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.certificate-section {
    margin-bottom: 4rem;
}

.certificate-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 1.5rem;
    align-items: start;
}

.certificate-card,
.aside-card {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.certificate-card::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -100px;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(30, 60, 114, 0.18) 0%, rgba(30, 60, 114, 0) 70%);
    pointer-events: none;
}

.certificate-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.card-subtitle {
    color: #64748b;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    margin-bottom: 0.35rem;
}

.card-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-full);
    background: rgba(30, 60, 114, 0.08);
    color: #0f172a;
    font-weight: 700;
    border: 1px solid rgba(30, 60, 114, 0.12);
}

.search-desc {
    color: #64748b;
    margin-top: 0.25rem;
}

.certificate-search-form .form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    color: #0f172a;
}

.form-input {
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    border-radius: var(--radius-md);
    padding: 0.85rem 1rem;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: #1e3c72;
    box-shadow: 0 0 0 3px rgba(30, 60, 114, 0.12);
    background: #fff;
}

.captcha-row {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.captcha-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.5rem;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    background: #f8fafc;
}

#captchaCanvas {
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
}

.refresh-captcha {
    background: #0f172a;
    color: #fff;
    border: none;
    padding: 0.55rem 0.9rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.refresh-captcha:hover {
    background: #1e3c72;
}

.search-btn {
    margin-top: 0.5rem;
    width: 100%;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    padding: 0.95rem 1.25rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 10px 25px -10px rgba(30, 60, 114, 0.5);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.search-btn svg {
    width: 18px;
    height: 18px;
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px -12px rgba(30, 60, 114, 0.65);
}

.search-tips {
    margin-top: 1.5rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 1.1rem 1.25rem;
}

.search-tips h4 {
    margin-bottom: 0.5rem;
    color: #0f172a;
}

.tip-list {
    display: grid;
    gap: 0.35rem;
    color: #475569;
    list-style: disc;
    padding-left: 1rem;
}

.search-result {
    margin-top: 1.5rem;
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.result-header h3 {
    font-size: 1.25rem;
    margin: 0;
    color: #0f172a;
}

.result-content {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 1.25rem;
    min-height: 120px;
}

.loading {
    text-align: center;
    color: #64748b;
    padding: 1rem 0;
}

.certificate-found,
.certificate-not-found {
    background: white;
    border-radius: var(--radius-md);
    padding: 1.25rem;
    border: 1px solid #e2e8f0;
    box-shadow: var(--shadow-sm);
}

.certificate-info h4 {
    margin-bottom: 1rem;
    color: #0f172a;
}

.info-item {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.6rem;
    align-items: center;
}

.label {
    width: 90px;
    color: #64748b;
    font-weight: 600;
}

.value {
    color: #0f172a;
    font-weight: 600;
}

.certificate-status {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.8rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    margin-top: 0.75rem;
}

.certificate-status.valid {
    background: rgba(100, 255, 218, 0.12);
    color: #0f172a;
    border: 1px solid rgba(100, 255, 218, 0.4);
}

.status-icon {
    font-size: 1.1rem;
}

.certificate-not-found {
    text-align: center;
}

.not-found-icon {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
}

.suggestions {
    margin-top: 1rem;
    color: #475569;
}

.suggestions h5 {
    margin-bottom: 0.5rem;
    color: #0f172a;
}

.suggestions ul {
    list-style: disc;
    padding-left: 1rem;
    color: #475569;
    display: grid;
    gap: 0.3rem;
}

.certificate-aside {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.aside-header {
    margin-bottom: 0.75rem;
}

.aside-card h4 {
    margin-bottom: 0.75rem;
    color: #0f172a;
}

.check-list {
    display: grid;
    gap: 0.4rem;
    color: #475569;
    padding-left: 1rem;
    list-style: disc;
}

.gradient-card {
    background: linear-gradient(135deg, rgba(30, 60, 114, 0.95), rgba(42, 82, 152, 0.9));
    color: #e2e8f0;
    border: none;
}

.gradient-card .aside-header h4 {
    color: #fff;
    margin-bottom: 0.35rem;
}

.gradient-card .card-pill {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.gradient-card p {
    color: #d9e2ec;
}

.aside-footer {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.meta-text {
    font-size: 0.9rem;
}

@media (max-width: 1024px) {
    .certificate-grid {
        grid-template-columns: 1fr;
    }
}

/* 通知公告详情页样式 */
.notice-detail {
    max-width: 900px;
    margin: 0 auto;
}

.detail-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.detail-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-main);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.detail-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    color: #64748b;
    font-size: 0.9rem;
}

.detail-content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #334155;
}

.detail-content p {
    margin-bottom: 1.5rem;
}

.detail-content h3 {
    font-size: 1.25rem;
    color: var(--primary-main);
    font-weight: 700;
    margin: 2.5rem 0 1.25rem;
    padding-left: 1rem;
    border-left: 4px solid var(--accent-blue);
}

.detail-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    list-style-type: disc;
}

.detail-content li {
    margin-bottom: 0.5rem;
    color: #475569;
}

.notice-footer {
    margin-top: 4rem;
    text-align: right;
    color: var(--primary-main);
}

.detail-actions {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.back-btn {
    display: inline-flex;
    align-items: center;
    color: #64748b;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* 响应式补充 */
@media (max-width: 768px) {
    .intro-highlight {
        grid-template-columns: 1fr;
    }
    
    .about-intro-section {
        padding: 1.5rem;
    }
    
    .badges-row {
        grid-template-columns: 1fr 1fr;
    }

    .certificate-card,
    .aside-card {
        padding: 1.5rem;
    }

    .search-btn {
        padding: 0.9rem 1.1rem;
    }

    .captcha-row {
        flex-direction: column;
        align-items: stretch;
    }
}