/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

/* 加载动画 */
.loading {
    display: inline-block;
    position: relative;
    width: 80px;
    height: 80px;
}

.loading div {
    position: absolute;
    top: 33px;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--accent-cyan);
    animation-timing-function: cubic-bezier(0, 1, 1, 0);
}

.loading div:nth-child(1) {
    left: 8px;
    animation: loading1 0.6s infinite;
}

.loading div:nth-child(2) {
    left: 8px;
    animation: loading2 0.6s infinite;
}

.loading div:nth-child(3) {
    left: 32px;
    animation: loading2 0.6s infinite;
}

.loading div:nth-child(4) {
    left: 56px;
    animation: loading3 0.6s infinite;
}

@keyframes loading1 {
    0% {
        transform: scale(0);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes loading3 {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(0);
    }
}

@keyframes loading2 {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(24px, 0);
    }
}

:root {
    --primary-dark: #0a1929;
    --primary-blue: #007BFF;
    --secondary-blue: #36BFFA;
    --tech-gray: #f0f8ff;
    --light-gray: #e6f0fa;
    --text-light: #4a6fa5;
    --text-dark: #1a365d;
    --accent-cyan: #00cffd;
    --background: #f8faff;
    --card-bg: #ffffff;
    --border-color: #d4e6f1;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(22, 93, 255, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(0, 207, 253, 0.05) 0%, transparent 20%);
    background-attachment: fixed;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo .logo-image {
    height: 40px;
    border-radius: 5px;
    padding:5px;
    /* box-shadow: 0 2px 10px rgba(0, 123, 255, 0.3); */
}

.logo h1 {
    color: var(--primary-blue);
    font-size: 24px;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(22, 93, 255, 0.3);
    position: relative;
}

/* .logo h1::before {
    content: "";
    position: absolute;
    left: -15px;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background: var(--primary-blue);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary-blue);
} */

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
    position: relative;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-dark);
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
    padding: 5px 0;
}

nav ul li a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

nav ul li a:hover {
    color: var(--primary-blue);
}

nav ul li a:hover::after {
    width: 100%;
}

.header-right {
    display: flex;
    align-items: center;
}

/* 统一卡片样式 */
.card {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-cyan));
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-blue);
}

.card:hover::before {
    box-shadow: 0 0 15px var(--primary-blue);
}

.card-title {
    margin-bottom: 20px;
    color: var(--primary-blue);
    font-size: 20px;
    text-shadow: 0 0 5px rgba(0, 123, 255, 0.3);
}

.card-text {
    margin-bottom: 15px;
    color: var(--text-dark);
}

/* 统一 section 样式 */
.section {
    padding: 180px 0;
    background-color: var(--background);
    position: relative;
}

.section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 10%, rgba(0, 123, 255, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 90%, rgba(0, 207, 253, 0.05) 0%, transparent 20%);
}

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

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--text-dark);
    text-shadow: 0 0 10px rgba(0, 123, 255, 0.3);
    position: relative;
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: var(--primary-blue);
    box-shadow: 0 0 10px var(--primary-blue);
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    margin-bottom: 60px;
    color: var(--text-light);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 考务指南区域样式 */
.examination-guide-section {
    margin-top: 80px;
}

.guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.guide-step {
    position: relative;
    overflow: visible;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.4);
    border: 2px solid var(--card-bg);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: #fff;
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(22, 93, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(22, 93, 255, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-blue);
    padding: 15px 30px;
    border: 2px solid var(--primary-blue);
    border-radius: 5px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px rgba(22, 93, 255, 0.3);
}

.btn-secondary:hover {
    background-color: rgba(22, 93, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(22, 93, 255, 0.4);
}

/* AI应用探讨区域样式 */
.ai-discussion-section {
    /* background-color: var(--tech-gray); */
}

.ai-discussion-section::before {
    background: 
        radial-gradient(circle at 50% 50%, rgba(0, 123, 255, 0.05) 0%, transparent 50%);
}

.ai-topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.ai-topic {
    position: relative;
}

.ai-topic::after {
    content: "";
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: 
        linear-gradient(45deg, transparent 40%, var(--primary-blue) 40%, var(--primary-blue) 60%, transparent 60%),
        linear-gradient(-45deg, transparent 40%, var(--primary-blue) 40%, var(--primary-blue) 60%, transparent 60%);
    opacity: 0.1;
    border-radius: 50%;
}

.ai-topic h3 {
    position: relative;
    padding-left: 25px;
}

.ai-topic h3::before {
    content: "🤖";
    position: absolute;
    left: 0;
    top: 0;
    font-size: 18px;
}

.ai-topic ul {
    list-style: none;
}

.ai-topic ul li {
    margin-bottom: 10px;
    color: var(--text-dark);
    position: relative;
    padding-left: 25px;
    transition: all 0.3s ease;
}

.ai-topic ul li:before {
    content: "⚡";
    position: absolute;
    left: 0;
    top: 0;
    font-size: 14px;
    color: var(--primary-blue);
}

.ai-topic ul li:hover {
    color: var(--primary-blue);
    transform: translateX(5px);
}

/* 招考排名区域样式 */
.recruitment-ranking-section {
}

.recruitment-ranking-section::before {
    background: 
        radial-gradient(circle at 30% 70%, rgba(0, 123, 255, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 70% 30%, rgba(0, 207, 253, 0.05) 0%, transparent 20%);
}

.recruitment-ranking-section h2 {
    margin-bottom: 60px;
}

.ranking-controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.ranking-controls select {
    background-color: var(--card-bg);
    color: var(--text-dark);
    padding: 10px 20px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.ranking-controls select:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 0 10px rgba(22, 93, 255, 0.3);
}

.ranking-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.ranking-list {
    background-color: var(--card-bg);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.ranking-item {
    display: flex;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.ranking-item:hover {
    background-color: rgba(22, 93, 255, 0.05);
    transform: translateX(10px);
}

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

.ranking-number {
    font-size: 24px;
    font-weight: bold;
    margin-right: 20px;
    width: 40px;
    text-align: center;
}

.ranking-number.top3 {
    color: var(--primary-blue);
    text-shadow: 0 0 10px rgba(22, 93, 255, 0.5);
}

.ranking-unit {
    flex: 1;
}

.ranking-unit h4 {
    color: var(--text-dark);
    margin-bottom: 5px;
    font-size: 16px;
}

.ranking-metrics {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: var(--text-light);
}

.ranking-metric {
    display: flex;
    flex-direction: column;
}

.ranking-metric-value {
    color: var(--primary-blue);
    font-weight: bold;
}

.ranking-chart {
    background-color: var(--card-bg);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    padding: 40px;
    height: 660px;
    position: relative;
    overflow: hidden;
}

.ranking-chart::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-cyan));
}

.chart-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.chart-bar {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    height: 80%;
    margin-top: 20px;
}

.chart-bar-item {
    flex: 1;
    background: linear-gradient(to top, var(--primary-blue), var(--accent-cyan));
    border-radius: 5px 5px 0 0;
    position: relative;
    transition: all 0.5s ease;
    cursor: pointer;
}

.chart-bar-item:hover {
    transform: scaleY(1.05);
    box-shadow: 0 0 15px rgba(22, 93, 255, 0.5);
}

.chart-bar-label {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    color: var(--text-light);
    text-align: center;
    white-space: nowrap;
    rotate: -45deg;
    transform-origin: center;
}

.chart-bar-value {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    color: var(--primary-blue);
    font-weight: bold;
}

/* Saas系统入口区域样式 */
.saas-entry-section {
    /* background-color: var(--tech-gray); */
}

.saas-entry-section::before {
    background: 
        radial-gradient(circle at 50% 50%, rgba(0, 123, 255, 0.05) 0%, transparent 50%);
}

.saas-entry-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 60px;
}

.saas-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    width: 100%;
    max-width: 1000px;
}

.saas-feature {
    text-align: center;
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.btn-saasin{
    padding: 20px 40px !important;
    font-size: 20px !important;
}
.saas-feature::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-cyan));
}

.saas-feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-blue);
}

.saas-feature .feature-icon {
    font-size: 36px;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    color: white;
    margin: 0 auto 15px;
    box-shadow: 0 4px 15px rgba(22, 93, 255, 0.3);
    transition: all 0.3s ease;
}

.saas-feature:hover .feature-icon {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(22, 93, 255, 0.4);
}

.saas-feature h3 {
    margin-bottom: 15px;
    color: var(--primary-blue);
    font-size: 18px;
    text-shadow: 0 0 5px rgba(22, 93, 255, 0.3);
}

.saas-feature p {
    color: var(--text-dark);
}

.saas-action {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

/* 关于平台区域样式 */
.about-platform-section {
}

.about-platform-section::before {
    background: 
        radial-gradient(circle at 50% 50%, rgba(0, 123, 255, 0.05) 0%, transparent 50%);
}

.about-platform-section h2 {
    margin-bottom: 40px;
}

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

.about-feature {
    text-align: center;
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.about-feature::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-cyan));
}

.about-feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-blue);
}

.about-feature h4 {
    margin-bottom: 15px;
    color: var(--primary-blue);
    font-size: 18px;
    text-shadow: 0 0 5px rgba(22, 93, 255, 0.3);
}

.about-feature p {
    color: var(--text-dark);
}

/* 页脚样式 */
footer {
    background-color: var(--card-bg);
    color: var(--text-dark);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
    position: relative;
}

footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-cyan));
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

.footer-info h3 {
    margin-bottom: 20px;
    font-size: 20px;
    color: var(--primary-blue);
    text-shadow: 0 0 5px rgba(0, 123, 255, 0.3);
}

.footer-info p {
    color: var(--text-light);
}

.footer-links h4,
.footer-contact h4 {
    margin-bottom: 20px;
    font-size: 16px;
    color: var(--primary-blue);
}

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

.footer-links ul li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 15px;
}

.footer-links ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-size: 12px;
}

.footer-links ul li a {
    text-decoration: none;
    color: var(--text-light);
    transition: all 0.3s ease;
}

.footer-links ul li a:hover {
    color: var(--primary-blue);
    transform: translateX(5px);
}

.footer-contact p {
    margin-bottom: 10px;
    color: var(--text-light);
    position: relative;
    padding-left: 25px;
}

.footer-contact p::before {
    content: "✉";
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-size: 14px;
}

.footer-contact p:nth-child(2)::before {
    content: "☎";
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

/* 封面页面样式 */
.cover-section {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #0056B3, #007BFF, #36BFFA);
    background-size: 400% 400%;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    cursor: pointer;
    overflow: hidden;
    position: relative;
    margin: 0;
    padding: 0;
    animation: gradientShift 15s ease infinite;
}

/* 科技感白色线条元素 */
.cover-section::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.15) 0%, transparent 20%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.15) 0%, transparent 20%),
        linear-gradient(45deg, transparent 48%, rgba(255, 255, 255, 0.05) 49%, rgba(255, 255, 255, 0.05) 51%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, rgba(255, 255, 255, 0.05) 49%, rgba(255, 255, 255, 0.05) 51%, transparent 52%);
    background-size: 
        50px 50px,
        50px 50px,
        100% 100%,
        100% 100%,
        100px 100px,
        100px 100px;
    background-position: 
        -1px -1px,
        -1px -1px,
        center center,
        center center,
        0 0,
        0 0;
    animation: techLines 20s linear infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes techLines {
    0% {
        background-position: 
            -1px -1px,
            -1px -1px,
            center center,
            center center,
            0 0,
            0 0;
    }
    100% {
        background-position: 
            49px 49px,
            49px 49px,
            center center,
            center center,
            100px 100px,
            100px 100px;
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 确保body无滚动条 - 仅在封面显示时生效 */
body.cover-visible {
    overflow: hidden;
}

.cover-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(22, 93, 255, 0.1) 0%, transparent 30%),
        radial-gradient(circle at 80% 70%, rgba(0, 207, 253, 0.1) 0%, transparent 30%),
        radial-gradient(circle at 50% 50%, rgba(22, 93, 255, 0.05) 0%, transparent 50%);
    animation: coverBackground 10s ease-in-out infinite;
}

/* 背景装饰元素 */
.cover-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
}

.bg-element {
    position: absolute;
    background: radial-gradient(circle, rgba(0, 207, 253, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite;
}

.bg-element-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.bg-element-2 {
    width: 200px;
    height: 200px;
    bottom: 10%;
    right: 10%;
    animation-delay: 5s;
}

.bg-element-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    right: 20%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-30px) scale(1.1);
        opacity: 0.5;
    }
}

@keyframes coverBackground {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.cover-nav {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 50px;
    z-index: 2;
    animation: slideInDown 1s ease-out;
    transition: all 0.3s ease;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cover-nav-left {
    display: flex;
    align-items: center;
}

.cover-logo {
    display: flex;
    align-items: center;
}

.logo-image {
    /* width: 80px; */
    height: 50px;
    border-radius: 8px;
    /* box-shadow: 0 4px 15px rgba(0, 207, 253, 0.3); */
    
}

.cover-nav-right {
    display: flex;
    align-items: center;
}

.login-btn {
    background: linear-gradient(135deg, #fff, #f8f9fa);
    color: #0056B3;
    padding: 16px 32px;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 900;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    min-width: 180px;
}

.login-btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 86, 179, 0.2), transparent);
    transition: left 0.6s ease;
}

.login-btn:hover::before {
    left: 100%;
}

.login-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #f8f9fa, #fff);
}

.cover-content {
    width: 90%;
    max-width: 1200px;
    position: relative;
    z-index: 1;
    color: #fff;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.cover-title-area {
    margin-bottom: 50px;
    text-align: center;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.2s forwards;
}

.cover-main-title {
    font-size: 64px;
    margin-bottom: 20px;
    color: #fff;
    /* text-shadow: 0 0 20px rgba(255, 255, 255, 0.5); */
    text-shadow: 0 0 20px rgba(0, 207, 253, 0.5);
    position: relative;
    animation: glow 3s ease-in-out infinite alternate;
    font-weight: 900;
    letter-spacing: 3px;
    line-height: 1.2;
}

.cover-main-title::before {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 6px;
    background: linear-gradient(90deg, transparent, #00cffd, transparent);
    animation: pulseLine 2s ease-in-out infinite;
}

.cover-sub-title {
    font-size: 28px;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 30px;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.6s forwards;
    font-weight: 600;
    letter-spacing: 1px;
    line-height: 1.4;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

@keyframes glow {
    from {
        /* text-shadow: 0 0 20px rgba(255, 255, 255, 0.5), 0 0 30px rgba(255, 255, 255, 0.3); */
        text-shadow: 0 0 20px rgba(0, 207, 253, 0.5), 0 0 30px rgba(0, 207, 253, 0.3); 
    }
    to {
        /* text-shadow: 0 0 30px rgba(255, 255, 255, 0.8), 0 0 40px rgba(255, 255, 255, 0.5), 0 0 50px rgba(255, 255, 255, 0.3); */
        text-shadow: 0 0 30px rgba(0, 207, 253, 0.8), 0 0 40px rgba(0, 207, 253, 0.5), 0 0 50px rgba(0, 207, 253, 0.3);
    }
}

@keyframes pulseLine {
    0% {
        width: 100px;
        opacity: 0.5;
    }
    50% {
        width: 200px;
        opacity: 1;
    }
    100% {
        width: 100px;
        opacity: 0.5;
    }
}

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

.cover-features-container {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    justify-content: center;
    flex-wrap: nowrap;
    width: 100%;
    max-width: 1200px;
}

.cover-feature-item {
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    padding: 20px;
    width: 25%;
    min-width: 200px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    text-align: center;
    background: transparent;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    opacity: 0;
    transform: translateY(20px);
}

.cover-feature-item:nth-child(1) {
    animation: slideInLeft 0.8s ease-out 0.6s forwards;
}

.cover-feature-item:nth-child(2) {
    animation: slideInLeft 0.8s ease-out 0.8s forwards;
}

.cover-feature-item:nth-child(3) {
    animation: slideInRight 0.8s ease-out 1s forwards;
}

.cover-feature-item:nth-child(4) {
    animation: slideInRight 0.8s ease-out 1.2s forwards;
}

.cover-feature-item:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 207, 253, 0.8);
    box-shadow: 0 8px 25px rgba(0, 207, 253, 0.3);
}

.feature-icon {
    font-size: 36px;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #007BFF, #36BFFA);
    border-radius: 50%;
    color: white;
    margin: 0 auto 15px;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
    transition: all 0.3s ease;
}

.cover-feature-item:hover .feature-icon {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

.feature-title {
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 8px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
    text-shadow: 0 0 5px rgba(0, 207, 253, 0.3);
}

.feature-description {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    line-height: 1.4;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.cover-feature-item:hover .feature-title {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(0, 207, 253, 0.5);
}

.cover-feature-item:hover .feature-description {
    color: #ffffff;
    text-shadow: 0 0 5px rgba(0, 207, 253, 0.3);
}

/* 数据化核心优势展示模块 */
.cover-advantages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 80px 0;
    padding: 0 20px;
    opacity: 0;
    animation: fadeInUp 1s ease-out 1.2s forwards;
}

.advantage-item {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 16px;
    padding: 30px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    font-size: 48px;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #007BFF, #36BFFA);
    border-radius: 12px;
    color: white;
    flex-shrink: 0;
}

.advantage-content {
    flex: 1;
}

.advantage-title {
    font-size: 20px;
    font-weight: bold;
    color: #0056B3;
    margin-bottom: 10px;
}

.advantage-value {
    font-size: 32px;
    font-weight: 900;
    color: #007BFF;
    margin-bottom: 5px;
}

.advantage-description {
    font-size: 14px;
    color: #666;
}

/* 人事考试从业者专属快捷功能入口区 */
.cover-exam-portal {
    margin: 80px 0;
    padding: 0 20px;
    opacity: 0;
    animation: fadeInUp 1s ease-out 1.3s forwards;
}

.exam-portal-title {
    font-size: 24px;
    font-weight: bold;
    color: #fff;
    text-align: center;
    margin-bottom: 40px;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.exam-portal-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.exam-portal-button {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 40px 30px;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 200px;
}

.exam-portal-button::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.1), transparent);
    transition: left 0.6s ease;
}

.exam-portal-button:hover::before {
    left: 100%;
}

.exam-portal-button:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

.portal-icon {
    font-size: 48px;
    margin-bottom: 20px;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #007BFF, #36BFFA);
    border-radius: 12px;
    color: white;
    flex-shrink: 0;
}

.portal-title {
    font-size: 20px;
    font-weight: bold;
    color: #0056B3;
    margin-bottom: 10px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.portal-description {
    font-size: 14px;
    color: #666;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
    line-height: 1.4;
}

.exam-portal-button:hover .portal-title {
    color: #0056B3;
    text-shadow: 0 0 10px rgba(0, 86, 179, 0.5);
}

.exam-portal-button:hover .portal-description {
    color: #007BFF;
}

/* 合作伙伴Logo墙 */
.cover-partners {
    margin: 60px 0;
    padding: 0 20px;
    opacity: 0;
    animation: fadeInUp 1s ease-out 1.4s forwards;
}

.partners-title {
    font-size: 24px;
    font-weight: bold;
    color: #fff;
    text-align: center;
    margin-bottom: 40px;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.partners-logos {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.partner-logo {
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.partner-logo:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.partner-logo img {
    width: 80%;
    height: 80%;
    object-fit: contain;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px) translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0) translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px) translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0) translateY(0);
    }
}

.cover-data-visualization {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
    animation: fadeInUp 1s ease-out 0.3s both;
    height: 50vh;
    min-height: 350px;
    max-height: 450px;
}

.data-section {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.rankings-container,
.ai-application-rankings {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
    overflow: hidden;
}

.ranking-item-cover {
    flex: 1;
    min-height: 80px;
    display: flex;
    align-items: center;
    background-color: rgba(30, 41, 59, 0.8);
    padding: 15px 20px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    animation: slideInLeft 0.5s ease-out;
    position: relative;
    overflow: hidden;
}

.ai-application-item {
    flex: 1;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: rgba(30, 41, 59, 0.8);
    padding: 15px 20px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    animation: slideInRight 0.5s ease-out;
    position: relative;
    overflow: hidden;
}

.data-section h2 {
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--accent-cyan);
    text-shadow: 0 0 10px rgba(0, 207, 253, 0.3);
}

.rankings-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ranking-item-cover {
    display: flex;
    align-items: center;
    background-color: rgba(30, 41, 59, 0.8);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    animation: slideInLeft 0.5s ease-out;
    position: relative;
    overflow: hidden;
}

.ranking-item-cover::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 207, 253, 0.1), transparent);
    transition: left 0.5s ease;
}

.ranking-item-cover:hover::before {
    left: 100%;
}

.ranking-item-cover:hover {
    transform: translateX(10px);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 207, 253, 0.3);
}

/* 为排名项添加交错动画延迟 */
.ranking-item-cover:nth-child(1) {
    animation-delay: 0.2s;
}

.ranking-item-cover:nth-child(2) {
    animation-delay: 0.4s;
}

.ranking-item-cover:nth-child(3) {
    animation-delay: 0.6s;
}

.ranking-item-cover:nth-child(4) {
    animation-delay: 0.8s;
}

.ranking-number-cover {
    font-size: 32px;
    font-weight: bold;
    margin-right: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    box-shadow: 0 4px 15px rgba(22, 93, 255, 0.4);
}

.ranking-number-cover.top3 {
    color: #fff;
    text-shadow: 0 0 10px rgba(0, 207, 253, 0.5);
}

.ranking-info-cover {
    flex: 1;
    text-align: left;
}

.ranking-info-cover h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #fff;
}

.ranking-metrics-cover {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: var(--text-light);
}

.ranking-metrics-cover strong {
    color: var(--accent-cyan);
}

.ai-application-rankings {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ai-application-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    background-color: rgba(30, 41, 59, 0.8);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    animation: slideInRight 0.5s ease-out;
    position: relative;
    overflow: hidden;
}

.ai-application-item::before {
    content: "";
    position: absolute;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(-90deg, transparent, rgba(0, 207, 253, 0.1), transparent);
    transition: right 0.5s ease;
}

.ai-application-item:hover::before {
    right: 100%;
}

.ai-application-item:hover {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 207, 253, 0.3);
    transform: translateX(-5px);
}

/* 为AI应用项添加交错动画延迟 */
.ai-application-item:nth-child(1) {
    animation-delay: 0.3s;
}

.ai-application-item:nth-child(2) {
    animation-delay: 0.5s;
}

.ai-application-item:nth-child(3) {
    animation-delay: 0.7s;
}

.ai-application-item:nth-child(4) {
    animation-delay: 0.9s;
}

.ai-application-item:nth-child(5) {
    animation-delay: 1.1s;
}

.ai-application-name {
    font-size: 16px;
    margin-bottom: 10px;
    color: #fff;
}

.ai-application-progress {
    width: 100%;
    height: 8px;
    background-color: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.ai-application-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-cyan));
    border-radius: 4px;
    animation: progressBar 2s ease-out;
}

@keyframes progressBar {
    from {
        width: 0;
    }
    to {
        width: var(--width, 100%);
    }
}

.ai-application-percentage {
    font-size: 14px;
    color: var(--accent-cyan);
    font-weight: bold;
    align-self: flex-end;
}

.cover-footer {
    position: absolute;
    bottom: 30px;
    left: 0;
    right: 0;
    text-align: center;
    opacity: 0;
    animation: fadeInUp 1s ease-out 1.2s forwards;
}

.cover-footer p {
    font-size: 18px;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.cover-footer p:hover {
    color: #fff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

.scroll-indicator {
    display: flex;
    justify-content: center;
    gap: 12px;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-dot {
    width: 12px;
    height: 12px;
    background-color: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    opacity: 0.5;
    animation: pulse 2s ease-in-out infinite;
    transition: all 0.3s ease;
}

.scroll-dot:hover {
    background-color: #fff;
    opacity: 1;
    transform: scale(1.2);
}

.scroll-dot:nth-child(2) {
    animation-delay: 0.3s;
}

.scroll-dot:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.3);
        box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
    }
}

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.cover-section.hidden {
    animation: fadeOut 0.5s ease-out forwards;
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.9);
        pointer-events: none;
    }
}

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

    nav ul {
        margin-top: 15px;
    }

    nav ul li {
        margin-left: 15px;
        margin-right: 15px;
    }

    .hero h2 {
        font-size: 36px;
    }

    .hero p {
        font-size: 18px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .process-section h2,
    .ai-solution-section h2,
    .features-section h2,
    .about-section h2,
    .ranking-section h2 {
        font-size: 28px;
    }

    .step,
    .solution-item,
    .feature-card,
    .about-feature {
        padding: 30px;
    }

    .ranking-content {
        grid-template-columns: 1fr;
    }

    .ranking-chart {
        height: 300px;
    }

    /* 封面响应式 */
    .cover-nav {
        padding: 20px 30px;
    }

    .logo-image {
        width: 60px;
        height: 60px;
    }

    .login-btn {
        padding: 14px 28px;
        font-size: 16px;
        min-width: 160px;
    }

    .cover-content {
        width: 95%;
        padding: 0 10px;
    }

    .cover-main-title {
        font-size: 48px;
    }

    .cover-sub-title {
        font-size: 22px;
    }

    .cover-features-container {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 15px;
    }

    .cover-feature-item {
        width: calc(50% - 10px);
        min-width: 180px;
        padding: 15px;
    }

    .feature-title {
        font-size: 16px;
    }

    .feature-description {
        font-size: 13px;
    }

    .feature-icon {
        font-size: 30px;
        width: 60px;
        height: 60px;
        margin-bottom: 12px;
    }

    .cover-footer p {
        font-size: 16px;
    }

    .cover-advantages {
        grid-template-columns: 1fr;
        gap: 20px;
        margin: 60px 0;
    }

    .advantage-item {
        padding: 20px;
        flex-direction: column;
        text-align: center;
    }

    .advantage-icon {
        font-size: 40px;
        width: 70px;
        height: 70px;
    }

    .advantage-value {
        font-size: 28px;
    }

    /* 人事考试从业者快捷入口响应式 */
    .cover-exam-portal {
        margin: 60px 0;
    }

    .exam-portal-buttons {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }

    .exam-portal-button {
        padding: 30px 20px;
        min-height: 180px;
    }

    .portal-icon {
        font-size: 40px;
        width: 70px;
        height: 70px;
    }

    .portal-title {
        font-size: 18px;
    }

    .portal-description {
        font-size: 13px;
    }

    .partners-logos {
        gap: 30px;
    }

    .partner-logo {
        width: 100px;
        height: 100px;
    }
}

@media (max-width: 480px) {
    .hero h2 {
        font-size: 28px;
    }

    .hero p {
        font-size: 16px;
    }

    .btn-primary,
    .btn-secondary,
    .btn-feature {
        padding: 12px 24px;
        font-size: 14px;
    }

    .process-section,
    .ai-solution-section,
    .features-section,
    .about-section,
    .ranking-section {
        padding: 60px 0;
    }

    .step-number {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .step h3,
    .solution-item h3,
    .feature-card h3,
    .about-feature h4 {
        font-size: 18px;
    }

    .logo h1 {
        font-size: 20px;
    }

    .logo h1::before {
        width: 8px;
        height: 8px;
        left: -15px;
    }

    .ranking-metrics {
        flex-direction: column;
        gap: 5px;
    }

    .ranking-chart {
        padding: 20px;
        height: 250px;
    }

    /* 封面响应式 */
    .cover-nav {
        padding: 15px 20px;
    }

    .logo-image {
        width: 50px;
        height: 50px;
    }

    .login-btn {
        padding: 8px 16px;
        font-size: 12px;
    }

    .cover-main-title {
        font-size: 32px;
    }

    .cover-sub-title {
        font-size: 18px;
    }

    .cover-features-container {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .cover-feature-item {
        width: 95%;
        max-width: 280px;
        padding: 15px;
    }

    .feature-title {
        font-size: 16px;
    }

    .feature-description {
        font-size: 13px;
    }

    .feature-icon {
        font-size: 30px;
        width: 60px;
        height: 60px;
        margin-bottom: 12px;
    }

    .cover-footer p {
        font-size: 14px;
    }

    .cover-advantages {
        grid-template-columns: 1fr;
        gap: 15px;
        margin: 40px 0;
    }

    .advantage-item {
        padding: 15px;
    }

    .advantage-icon {
        font-size: 36px;
        width: 60px;
        height: 60px;
    }

    .advantage-title {
        font-size: 18px;
    }

    .advantage-value {
        font-size: 24px;
    }

    /* 人事考试从业者快捷入口响应式 */
    .cover-exam-portal {
        margin: 40px 0;
    }

    .exam-portal-buttons {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .exam-portal-button {
        padding: 20px 15px;
        min-height: 160px;
    }

    .portal-icon {
        font-size: 36px;
        width: 60px;
        height: 60px;
    }

    .portal-title {
        font-size: 16px;
    }

    .portal-description {
        font-size: 12px;
    }

    .exam-portal-title {
        font-size: 20px;
    }

    .partners-logos {
        gap: 20px;
    }

    .partner-logo {
        width: 80px;
        height: 80px;
    }

    .partners-title {
        font-size: 20px;
    }
}

/* 客服咨询按钮样式 */
.customer-service {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    display: none;
}

.service-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: white;
    border: none;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.4);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s infinite;
    position: relative;
    overflow: hidden;
}

.service-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.service-btn:hover::before {
    left: 100%;
}

.service-btn:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.6), 0 0 25px rgba(0, 123, 255, 0.4);
}

.service-btn:hover i {
    animation: rotate 2s ease-in-out;
}

@keyframes pulse {
    0% {
        box-shadow: 0 4px 15px rgba(0, 123, 255, 0.4);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 6px 20px rgba(0, 123, 255, 0.6), 0 0 20px rgba(0, 123, 255, 0.3);
        transform: scale(1.05);
    }
    100% {
        box-shadow: 0 4px 15px rgba(0, 123, 255, 0.4);
        transform: scale(1);
    }
}

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

.service-iframe-container {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 400px;
    height: 500px;
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    display: none;
    flex-direction: column;
    border: 1px solid var(--border-color);
}

.service-iframe-header {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: white;
    padding: 15px 20px;
    border-radius: 10px 10px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.service-iframe-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.service-close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.service-close-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.service-iframe {
    flex: 1;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 0 0 10px 10px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .customer-service {
        bottom: 20px;
        right: 20px;
    }

    .service-btn {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .service-iframe-container {
        bottom: 80px;
        right: 20px;
        width: 300px;
        height: 400px;
    }
}

@media (max-width: 480px) {
    .service-iframe-container {
        width: 280px;
        height: 350px;
    }
}

.auth-content{
    text-align: left;
}