/* ========== Apple风格 - 全局样式 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* ========== 主色系 ========== */
    --color-primary: #4c8bf5;        /* 明亮蓝 - 主品牌色 */
    --color-primary-hover: #3b7ae4;  /* 主色悬停 */
    --color-primary-light: #e0f2fe;  /* 主色浅 */
    --color-secondary: #7c3aed;      /* 紫色 */
    --color-secondary-hover: #6b21a8;
    --color-accent: #fbbf24;         /* 金黄色 */
    --color-accent-hover: #f59e0b;

    /* ========== 状态色 ========== */
    --color-success: #10b981;        /* 成功绿 */
    --color-success-light: #d1fae5;
    --color-warning: #f59e0b;        /* 警告橙 */
    --color-warning-light: #fef3c7;
    --color-error: #ef4444;          /* 错误红 */
    --color-error-light: #fee2e2;
    --color-info: #3b82f6;           /* 信息蓝 */
    --color-info-light: #dbeafe;

    /* ========== 文字色 ========== */
    --color-text-primary: #1e293b;   /* 深灰文字 */
    --color-text-secondary: #64748b; /* 中灰文字 */
    --color-text-tertiary: #94a3b8;  /* 浅灰文字 */
    --color-text-white: #ffffff;     /* 白色文字 */
    --color-text-link: #4c8bf5;      /* 链接色 */

    /* ========== 背景色 ========== */
    --color-bg-dark: #0f172a;        /* 深色背景 */
    --color-bg-light: #ffffff;       /* 纯白背景 */
    --color-bg-gray: #f8fafc;        /* 灰色背景 */
    --color-bg-card: #ffffff;        /* 卡片背景 */
    --color-bg-hover: #f1f5f9;       /* 悬停背景 */

    /* ========== 边框色 ========== */
    --color-border: #e2e8f0;         /* 默认边框 */
    --color-border-light: #f1f5f9;   /* 浅边框 */
    --color-border-dark: #cbd5e1;    /* 深边框 */

    /* ========== 渐变色 ========== */
    --gradient-hero: linear-gradient(180deg, #1e3a8a 0%, #3b82f6 40%, #667eea 100%);
    --hero-bg-photo: url('../images/campus-hero.png'); /* 青春校园风景照 */
    --gradient-dark: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    --gradient-primary: linear-gradient(135deg, #4c8bf5 0%, #3b82f6 100%);
    --gradient-secondary: linear-gradient(135deg, #7c3aed 0%, #6366f1 100%);
    --gradient-gold: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);

    /* ========== 阴影系统 ========== */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-card-hover: 0 8px 20px rgba(0, 0, 0, 0.12);
    --shadow-primary: 0 4px 14px rgba(76, 139, 245, 0.25);

    /* ========== 圆角系统 ========== */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* ========== 间距系统 ========== */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;

    /* ========== 字体大小 ========== */
    --font-size-xs: 12px;
    --font-size-sm: 13px;
    --font-size-base: 14px;
    --font-size-md: 15px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 20px;
    --font-size-3xl: 24px;
    --font-size-hero: clamp(32px, 4vw, 56px);
    --font-size-title: clamp(26px, 3vw, 44px);
    --font-size-subtitle: clamp(15px, 1.8vw, 22px);
    --font-size-body: 15px;
    --font-size-small: 12px;

    /* ========== 过渡动画 ========== */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* ========== Z-index 层级 ========== */
    --z-dropdown: 100;
    --z-sticky: 500;
    --z-fixed: 900;
    --z-modal-backdrop: 1000;
    --z-modal: 1001;
    --z-tooltip: 1100;
    --z-toast: 1200;

    /* ========== 响应式断点 (用于文档参考) ========== */
    /* --breakpoint-sm: 640px;  移动端 */
    /* --breakpoint-md: 768px;  平板竖屏 */
    /* --breakpoint-lg: 1024px; 平板横屏/小笔记本 */
    /* --breakpoint-xl: 1280px; 桌面 */
    /* ========== V6 Admin Theme Variables (Unified) ========== */
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-soft: #eff6ff;
    --text-main: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --bg-page: #f8fafc;
    --bg-surface: #ffffff;
    --radius: 12px;
}

html {
    scroll-behavior: smooth;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text',
                 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ========== 导航栏 - 玻璃态效果 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.7); /* Light background for glassmorphism */
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    padding: 0 20px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0;
}

.nav-logo a {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.nav-logo h1 {
    font-size: 18px; /* Slightly larger for better visibility */
    font-weight: 700;
    color: var(--color-text-primary); /* Dark text for light navbar */
    letter-spacing: -0.5px;
    white-space: nowrap;
    margin: 0;
    line-height: 1;
}

.nav-subtitle {
    display: none;
}

.badge-red {
    display: none;
}

.nav-menu {
    display: flex;
    gap: 32px;
    flex: 1;
    justify-content: center;
    align-items: center;
}

.nav-menu a {
    color: var(--color-text-secondary); /* Darker text for menu items */
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    line-height: 1;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-primary); /* Primary color on hover/active */
}

/* 导航栏下拉菜单 */
.nav-dropdown {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.nav-dropdown > a {
    cursor: pointer;
    display: flex;
    align-items: center;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: calc(100% + 20px);
    left: 50%;
    transform: translateX(-50%);
    background: white;
    min-width: 180px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    z-index: 1000;
    padding: 8px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

/* 添加一个透明的桥接区域，防止鼠标移动时菜单消失 */
.nav-dropdown::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 25px;
    display: none;
}

.nav-dropdown:hover::before {
    display: block;
}

.dropdown-content a {
    display: block;
    padding: 10px 16px;
    color: #374151 !important;
    text-decoration: none;
    transition: all 0.2s;
    font-size: 13px;
    border-radius: 8px;
    white-space: nowrap;
}

.dropdown-content a:hover {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white !important;
}

.nav-dropdown:hover .dropdown-content {
    display: block;
}

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

.nav-guest,
.nav-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-guest .btn,
.nav-user .btn {
    white-space: nowrap;
}

.nav-cta .btn {
    font-size: 13px;
    padding: 8px 16px;
    height: auto;
    line-height: 1;
}

/* 个人中心按钮突出样式 */
.nav-cta .btn-profile,
.nav-user .btn-profile {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
}

.nav-cta .btn-profile:hover,
.nav-user .btn-profile:hover {
    background: linear-gradient(135deg, #ff5722 0%, #e68a00 100%);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.4);
}

/* 为所有页面添加顶部padding以补偿固定导航栏 */
body {
    padding-top: 60px;
}

/* ========== 按钮 - Apple风格 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs) var(--spacing-sm);  /* 8px 16px - 统一基础 */
    font-size: var(--font-size-base);              /* 14px */
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-bounce);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.5;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: scale(1.02);
    box-shadow: var(--shadow-primary);
}

.btn-secondary {
    background: var(--color-bg-gray);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-border-dark);
}

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

.btn-outline:hover {
    background-color: var(--color-primary);
    color: white;
}

/* 按钮尺寸变体 */
.btn-sm {
    padding: 6px 12px;
    font-size: var(--font-size-sm);  /* 13px */
}

.btn-md {
    padding: var(--spacing-xs) var(--spacing-sm);  /* 8px 16px */
    font-size: var(--font-size-base);              /* 14px */
}

.btn-large {
    padding: 12px 28px;
    font-size: var(--font-size-lg);  /* 16px */
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ========== Hero Section - 深蓝渐变科技风 ========== */
.hero {
    background:
        linear-gradient(180deg, rgba(15, 23, 42, 0.4) 0%, rgba(30, 58, 138, 0.3) 45%, rgba(51, 94, 205, 0.2) 100%),
        var(--hero-bg-photo);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
    color: var(--color-text-white);
}

/* 添加动态背景装饰点 */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-30px) translateX(20px); }
}

/* 浮动标签装饰 */
.floating-tags {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 1;
}

.floating-tag {
    position: absolute;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.9);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    animation: floatTag 8s ease-in-out infinite;
}

.floating-tag:nth-child(1) {
    animation-delay: 0s;
    animation-duration: 10s;
}

.floating-tag:nth-child(2) {
    animation-delay: 1s;
    animation-duration: 12s;
}

.floating-tag:nth-child(3) {
    animation-delay: 2s;
    animation-duration: 11s;
}

.floating-tag:nth-child(4) {
    animation-delay: 0.5s;
    animation-duration: 13s;
}

.floating-tag:nth-child(5) {
    animation-delay: 1.5s;
    animation-duration: 9s;
}

.floating-tag:nth-child(6) {
    animation-delay: 2.5s;
    animation-duration: 14s;
}

@keyframes floatTag {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.7;
    }
    50% {
        transform: translateY(-20px) translateX(10px);
        opacity: 1;
    }
}

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

.hero-text {
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-title {
    font-size: var(--font-size-hero);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.015em;
    margin-bottom: 24px;
    color: var(--color-text-white);
}

.hero-title .highlight {
    color: var(--color-accent);
    position: relative;
    display: inline-block;
}

/* 黄色高亮下划线效果 */
.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: var(--color-accent);
    opacity: 0.3;
    border-radius: 4px;
}

.hero-subtitle {
    font-size: var(--font-size-subtitle);
    font-weight: 400;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.hero-subtitle strong {
    color: var(--color-text-white);
    font-weight: 600;
}

.text-warning {
    color: var(--color-accent);
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* 简历对比卡片 - 3D浮动效果 */
.hero-image {
    animation: fadeInRight 1s cubic-bezier(0.4, 0, 0.2, 1) 0.2s backwards;
    position: relative;
    z-index: 1;
}

.resume-comparison {
    display: flex;
    align-items: center;
    gap: 24px;
    justify-content: center;
    perspective: 1000px;
}

.resume-card {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 20px;
    padding: 28px 22px;
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 200px;
    position: relative;
    transform-style: preserve-3d;
}

/* 3D浮动动画 */
.resume-card:nth-child(1) {
    animation: float3d 6s ease-in-out infinite;
}

.resume-card:nth-child(3) {
    animation: float3d 6s ease-in-out infinite 1s;
}

@keyframes float3d {
    0%, 100% {
        transform: translateY(0) rotateY(0deg);
    }
    50% {
        transform: translateY(-15px) rotateY(3deg);
    }
}

.resume-card:hover {
    transform: translateY(-12px) rotateY(-5deg) scale(1.05);
    box-shadow:
        0 35px 60px -15px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(255, 255, 255, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.resume-header {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-text-primary);
}

.resume-card ul {
    list-style: none;
    margin-bottom: 24px;
}

.resume-card ul li {
    padding: 8px 0;
    font-size: 13px;
    color: var(--color-text-secondary);
}

.resume-arrow {
    font-size: 32px;
    color: var(--color-primary);
    animation: slide 2s ease-in-out infinite;
}

@keyframes slide {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(10px); }
}

.resume-label {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    text-align: center;
}

.label-gray {
    background: #f5f5f7;
    color: var(--color-text-secondary);
}

.label-gold {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    color: #1d1d1f;
}

/* ========== 区块标题 ========== */
.section-title {
    font-size: var(--font-size-title);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
    text-align: center;
    margin-bottom: 20px;
    color: var(--color-text-primary);
}

.section-subtitle {
    font-size: var(--font-size-body);
    line-height: 1.6;
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* ========== 价值主张区 - 大卡片设计 ========== */
.value-proposition {
    padding: 80px 0;
    background: var(--color-bg-light);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 40px;
    margin-top: 80px;
}

.value-card {
    background: white;
    border-radius: 28px;
    padding: 42px 32px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(40px);
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.value-card.aos-animate {
    opacity: 1;
    transform: translateY(0);
}

.value-card:hover {
    transform: translateY(-16px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.12);
    border-color: rgba(76, 139, 245, 0.2);
}

/* 彩色图标背景 */
.value-card:nth-child(1) .value-icon {
    background: linear-gradient(135deg, #a78bfa 0%, #8b5cf6 100%);
    color: white;
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    margin-bottom: 28px;
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.3);
}

.value-card:nth-child(2) .value-icon {
    background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
    color: white;
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    margin-bottom: 28px;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.value-card:nth-child(3) .value-icon {
    background: linear-gradient(135deg, #f472b6 0%, #ec4899 100%);
    color: white;
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    margin-bottom: 28px;
    box-shadow: 0 10px 30px rgba(236, 72, 153, 0.3);
}

.value-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    background: #f1f5f9;
    color: var(--color-primary);
}

.value-icon svg {
    width: 36px;
    height: 36px;
}

.value-card h3 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--color-text-primary);
}

.value-pain,
.value-solution {
    margin-bottom: 16px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.value-pain strong,
.value-solution strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

.demo-box {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-top: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.demo-box p {
    margin: 8px 0;
    font-size: 14px;
    line-height: 1.6;
}

/* ========== 产品矩阵 ========== */
.product-matrix {
    padding: 70px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f5f5f7 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.btn-consult {
    background: #f56300;
    color: white;
    margin-top: 32px;
}

.btn-consult:hover {
    background: #ff6b00;
}

.product-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.product-card {
    background: white;
    border-radius: 24px;
    padding: 36px 32px;
    margin-bottom: 32px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateX(-50px);
}

.product-card.aos-animate {
    opacity: 1;
    transform: translateX(0);
}

.product-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.1);
}

.product-number {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #0071e3, #00c7be);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 24px;
}

.product-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text-primary);
}

.product-badge {
    display: inline-block;
    font-size: 14px;
    color: var(--color-text-secondary);
    font-style: italic;
    margin-bottom: 24px;
}

.product-deliverable,
.product-scenario {
    margin-bottom: 24px;
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.product-deliverable strong,
.product-scenario strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

.product-details {
    background: #f5f5f7;
    border-radius: 16px;
    padding: 24px;
    margin: 24px 0;
}

.detail-item {
    margin-bottom: 16px;
    line-height: 1.6;
}

.detail-label {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-right: 8px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.detail-icon {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.quote-icon {
    width: 18px;
    height: 18px;
    color: #b8860b;
    flex-shrink: 0;
    vertical-align: middle;
    margin-right: 4px;
}

.product-mentor-view {
    background: linear-gradient(135deg, #fffbeb, #fef3c7);
    border-radius: 16px;
    padding: 24px;
    margin-top: 24px;
}

.mentor-quote {
    font-size: 14px;
    line-height: 1.7;
    color: #78350f;
    font-style: italic;
}

.timeline-arrow {
    text-align: center;
    font-size: 32px;
    color: var(--color-primary);
    margin: 24px 0;
}

/* 案例展示 */
.case-showcase {
    margin-top: 80px;
    text-align: center;
}

.case-showcase h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 40px;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.case-item {
    background: white;
    border-radius: 16px;
    padding: 32px 24px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.case-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.case-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

/* ========== 时间轴 ========== */
.roadmap {
    padding: 70px 0;
    background: white;
}

.wake-up-call {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    border-radius: 24px;
    padding: 36px;
    text-align: center;
    margin-bottom: 80px;
}

.warning-icon {
    font-size: 56px;
    margin-bottom: 16px;
}

.wake-up-call h3 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #991b1b;
}

.wake-up-call p {
    font-size: 16px;
    line-height: 1.6;
    color: #7f1d1d;
}

.text-danger {
    color: #dc2626;
    font-weight: 600;
}

.roadmap-header {
    text-align: center;
    margin-bottom: 60px;
}

.roadmap-badges {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 24px;
}

.badge {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.badge-green {
    background: #d1fae5;
    color: #065f46;
}

.timeline {
    max-width: 800px;
    margin: 0 auto 60px;
}

.timeline-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 32px;
    margin-bottom: 32px;
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-item.aos-animate {
    opacity: 1;
    transform: translateX(0);
}

.timeline-week {
    background: linear-gradient(135deg, #0071e3, #00c7be);
    color: white;
    border-radius: 12px;
    padding: 12px 8px;
    font-size: 14px;
    font-weight: 700;
    text-align: center;
    height: fit-content;
    white-space: nowrap;
}

.timeline-content {
    background: #f5f5f7;
    border-radius: 16px;
    padding: 32px;
}

.timeline-content h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
}

.timeline-content ul {
    list-style: none;
}

.timeline-content li {
    padding: 8px 0 8px 28px;
    position: relative;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.timeline-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: 700;
}

.roadmap-cta {
    text-align: center;
}

/* ========== 初试分数真相 - 大数据展示 ========== */
.score-truth {
    padding: 80px 0;
    background: white;
}

.truth-content {
    max-width: 1100px;
    margin: 80px auto 0;
}

.truth-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 60px;
    margin-bottom: 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    padding: 60px;
    border-radius: 32px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
}

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

/* 分隔线 */
.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -30px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.1), transparent);
}

.stat-number {
    font-size: 64px;
    font-weight: 800;
    background: linear-gradient(135deg, #4c8bf5 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 20px;
    display: block;
}

.highlight-stat .stat-number {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 15px;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.stat-vs {
    font-size: 40px;
    color: var(--color-text-secondary);
    font-weight: 700;
    display: none; /* 隐藏vs */
}

.truth-text {
    background: white;
    border-radius: 24px;
    padding: 48px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
}

.truth-quote {
    font-size: 20px;
    line-height: 1.6;
    margin-bottom: 24px;
    color: var(--color-text-primary);
}

.truth-explain {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

/* ========== 底部CTA ========== */
.footer-cta {
    padding: 90px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    color: var(--color-text-primary);
    text-align: center;
}

.footer-cta .cta-content {
    max-width: 900px;
    margin: 0 auto;
    background: #ffffff;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    border-radius: 28px;
    padding: 48px 40px;
}

.cta-content h2 {
    font-size: var(--font-size-title);
    font-weight: 700;
    margin-bottom: 12px;
}

.cta-content > p {
    font-size: var(--font-size-subtitle);
    margin-bottom: 40px;
    color: var(--color-text-secondary);
}

.lead-magnet {
    background: linear-gradient(135deg, rgba(76, 139, 245, 0.08), rgba(76, 139, 245, 0.02));
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 32px;
    max-width: 640px;
    margin: 0 auto 36px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.magnet-icon {
    font-size: 56px;
    color: var(--color-primary);
}

.magnet-text {
    text-align: left;
    color: var(--color-text-primary);
}

.magnet-text h3 {
    font-size: 17px;
    margin-bottom: 6px;
}

.magnet-text p {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.cta-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 12px;
}

.footer-cta .btn-primary {
    box-shadow: var(--shadow-primary);
}

.footer-cta .btn-outline {
    border-color: var(--color-border);
    color: var(--color-text-primary);
    background: #ffffff;
}

.footer-cta .btn-outline:hover {
    background: var(--color-bg-hover);
    color: var(--color-primary);
    border-color: var(--color-border-dark);
}

/* ========== Footer ========== */
.footer {
    background: #f5f5f7;
    padding: 60px 0 40px;
}

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

.footer-section h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-text-primary);
}

.footer-section p,
.footer-section li {
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.8;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid #d2d2d7;
    color: var(--color-text-secondary);
    font-size: 12px;
}

/* ========== 微信浮窗 ========== */
.wechat-float {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 999;
}

.float-trigger {
    background: var(--color-primary);
    color: white;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 113, 227, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.float-trigger:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(0, 113, 227, 0.4);
}

.float-trigger span:first-child {
    font-size: 28px;
}

.float-text {
    font-size: 10px;
    margin-top: 4px;
}

.float-panel {
    position: absolute;
    bottom: 80px;
    right: 0;
    background: white;
    border-radius: 16px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15);
    width: 280px;
    display: none;
    animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.float-panel.active {
    display: block;
}

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

.float-header {
    padding: 16px 20px;
    border-bottom: 1px solid #f5f5f7;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.float-header h4 {
    font-size: 15px;
    font-weight: 600;
}

.close-btn {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-text-secondary);
    cursor: pointer;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.close-btn:hover {
    background: #f5f5f7;
}

.float-content {
    padding: 20px;
    text-align: center;
}

.qr-placeholder {
    width: 200px;
    height: 200px;
    background: #f5f5f7;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--color-text-secondary);
    font-size: 13px;
}

.agent-info {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text-primary);
}

.agent-tip {
    font-size: 12px;
    color: var(--color-text-secondary);
}

/* ========== 模态框 ========== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
    animation: fadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: white;
    border-radius: 24px;
    max-width: 550px;
    width: 90%;
    max-height: 90vh;
    overflow: auto;
    animation: scaleUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes scaleUp {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    padding: 24px 28px;
    border-bottom: 1px solid #f5f5f7;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 21px;
    font-weight: 600;
}

.modal-body {
    padding: 32px 28px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text-primary);
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d2d2d7;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(76, 139, 245, 0.1);
}

.btn-block {
    width: 100%;
}

/* ========== 登录/注册模态框样式 ========== */
.auth-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    background: #f8fafc;
    padding: 4px;
    border-radius: 12px;
}

.auth-tab {
    flex: 1;
    padding: 10px 20px;
    background: transparent;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.auth-tab.active {
    background: white;
    color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
    animation: fadeInUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 400 !important;
    font-size: 13px !important;
    color: var(--color-text-secondary) !important;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkbox-label a {
    color: var(--color-primary);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.auth-links {
    text-align: right;
    margin-top: 16px;
}

.auth-links a {
    font-size: 13px;
    color: var(--color-primary);
    text-decoration: none;
}

.auth-links a:hover {
    text-decoration: underline;
}

/* 验证码输入框 */
.input-with-btn {
    display: flex;
    gap: 8px;
}

.input-with-btn input {
    flex: 1;
}

.btn-code {
    padding: 12px 16px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s;
}

.btn-code:hover {
    background: #3b82f6;
}

.btn-code:disabled {
    background: #cbd5e1;
    cursor: not-allowed;
}

/* 第三方登录 */
.social-login {
    margin-top: 32px;
}

.divider {
    text-align: center;
    margin: 24px 0;
    position: relative;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #e2e8f0;
}

.divider span {
    position: relative;
    background: white;
    padding: 0 16px;
    font-size: 13px;
    color: var(--color-text-secondary);
}

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

.btn-social {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: white;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-social:hover {
    background: #f8fafc;
    border-color: var(--color-primary);
}

.btn-wechat {
    color: #07c160;
}

.btn-qq {
    color: #12b7f5;
}

/* ========== 动画效果类 ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ========== 响应式设计 ========== */
@media (max-width: 980px) {
    .container {
        padding: 0 24px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero {
        padding: 80px 0 60px;
    }

    .nav-menu {
        display: none;
    }

    .value-grid,
    .case-grid {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .timeline-week {
        width: fit-content;
    }

    .truth-stats {
        flex-direction: column;
        gap: 32px;
    }

    .lead-magnet {
        flex-direction: column;
        text-align: center;
    }

    .magnet-text {
        text-align: center;
    }
}

@media (max-width: 640px) {
    :root {
        --font-size-hero: 36px;
        --font-size-title: 32px;
        --font-size-subtitle: 19px;
    }

    .btn-large {
        padding: 14px 28px;
        font-size: 17px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .resume-comparison {
        flex-direction: column;
    }

    .resume-arrow {
        transform: rotate(90deg);
    }
}

/* ========== 专业占位符样式 ========== */

/* 二维码占位符 */
.qr-placeholder {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border: 2px dashed #cbd5e1;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.qr-placeholder::before {
    content: '';
    width: 80px;
    height: 80px;
    background-image:
        linear-gradient(90deg, #94a3b8 2px, transparent 2px),
        linear-gradient(#94a3b8 2px, transparent 2px);
    background-size: 10px 10px;
    opacity: 0.3;
    border-radius: 4px;
}

.qr-placeholder-text {
    position: absolute;
    bottom: 8px;
    font-size: 10px;
    color: #64748b;
    font-weight: 500;
}

.qr-placeholder.large {
    width: 160px;
    height: 160px;
}

.qr-placeholder.large::before {
    width: 110px;
    height: 110px;
}

/* 图片占位符 */
.image-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    border-radius: 12px;
    min-height: 200px;
}

.image-placeholder-icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.9;
}

.image-placeholder-text {
    font-size: 14px;
    opacity: 0.8;
}

/* 简历模板占位符 */
.resume-template-placeholder {
    width: 100%;
    height: 280px;
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.resume-template-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.resume-template-header {
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
    z-index: 1;
    margin-bottom: 20px;
}

.resume-template-avatar {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.resume-template-name {
    height: 16px;
    width: 80px;
    background: rgba(255,255,255,0.9);
    border-radius: 4px;
}

.resume-template-lines {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

.resume-template-line {
    height: 10px;
    background: #e2e8f0;
    border-radius: 4px;
}

.resume-template-line:nth-child(1) { width: 100%; }
.resume-template-line:nth-child(2) { width: 85%; }
.resume-template-line:nth-child(3) { width: 90%; }
.resume-template-line:nth-child(4) { width: 70%; }
.resume-template-line:nth-child(5) { width: 95%; }

.resume-template-section {
    margin-top: 16px;
}

.resume-template-section-title {
    height: 12px;
    width: 60px;
    background: #667eea;
    border-radius: 4px;
    margin-bottom: 10px;
}

/* 头像占位符 */
.avatar-placeholder {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 18px;
}

.avatar-placeholder.large {
    width: 80px;
    height: 80px;
    font-size: 28px;
}

.avatar-placeholder.small {
    width: 36px;
    height: 36px;
    font-size: 14px;
}

/* 项目图片占位符 */
.project-image-placeholder {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, #667eea 0%, #a855f7 50%, #ec4899 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.project-image-placeholder::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    animation: shimmer 3s infinite;
}

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

.project-image-placeholder-icon {
    font-size: 40px;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.project-image-placeholder-text {
    font-size: 13px;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

/* ========== 手风琴展开式 Hero ========== */
.hero-accordion {
    padding: 80px 0 60px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    position: relative;
    overflow: hidden;
}

/* 背景装饰 - 青色光晕 */
.hero-accordion::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 200, 220, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-accordion::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 168, 184, 0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-intro {
    text-align: center;
    margin-bottom: 40px;
    margin-top: 100px;
    position: relative;
    z-index: 1;
}

.hero-main-title {
    font-size: clamp(26px, 4vw, 42px);
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.hero-main-desc {
    font-size: clamp(14px, 2vw, 17px);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

/* Hero统计数据区域 */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-top: 32px;
    padding: 20px 32px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.hero-stat-item .stat-number {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    color: #00d4ff;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.hero-stat-item .stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    white-space: nowrap;
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
}

@media (max-width: 640px) {
    .hero-stats {
        flex-wrap: wrap;
        gap: 16px;
        padding: 16px 20px;
    }

    .hero-stat-divider {
        display: none;
    }

    .hero-stat-item {
        flex: 1;
        min-width: 80px;
    }
}

.hero-tip {
    text-align: center;
    margin-top: 30px;
    font-size: 14px;
    color: rgba(0, 200, 220, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    z-index: 1;
}

.hero-tip .tip-icon {
    font-size: 16px;
}

/* 手风琴容器 */
.accordion-container {
    display: flex;
    gap: 12px;
    height: 600px;
    position: relative;
    z-index: 2;
}

/* 手风琴卡片 - 深色玻璃态 + 青色发光边框 */
.accordion-card {
    flex: 1;
    min-width: 80px;
    background: rgba(20, 30, 60, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    position: relative;
    transition: flex 0.5s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease, border-color 0.3s ease;
    border: 2px solid rgba(0, 200, 220, 0.3);
    box-shadow:
        0 0 20px rgba(0, 200, 220, 0.15),
        0 20px 40px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.accordion-card:hover {
    flex: 10;
    border-color: rgba(0, 220, 240, 0.6);
    box-shadow:
        0 0 30px rgba(0, 220, 240, 0.3),
        0 0 60px rgba(0, 200, 220, 0.15),
        0 25px 50px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

/* 折叠状态 - 只显示竖排标题 */
.card-collapsed {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
    transition: opacity 0.3s ease 0.1s;
}

.accordion-card:hover .card-collapsed {
    opacity: 0;
    transition: opacity 0.2s ease;
}

/* Removed: .card-number styles (no longer using numbers) */

.card-title-vertical {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-size: 24px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 6px;
    text-shadow: 0 0 10px rgba(0, 200, 220, 0.3);
}

/* Removed: .card-hot-badge (no longer using badges) */

/* 展开状态 - 详细内容 */
.card-expanded {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 60px 50px;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

.accordion-card:hover .card-expanded {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
    transition: opacity 0.4s ease 0.15s, transform 0.4s ease 0.15s;
}

.expanded-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

/* Removed: .expanded-icon-wrapper and .expanded-icon styles (no longer using icons) */

.expanded-title {
    font-size: 32px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 32px;
}

.expanded-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.95);
    margin: 0 0 6px 0;
}

.expanded-subtitle {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.expanded-list {
    list-style: none;
    padding: 0;
    margin: 0 0 auto 0;
    flex: 1;
}

.expanded-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.expanded-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: linear-gradient(135deg, #00d4e0 0%, #00a8b8 100%);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 8px rgba(0, 200, 220, 0.5);
}

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

.expanded-list .check-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background: linear-gradient(135deg, #00d4e0 0%, #00a8b8 100%);
    color: #0f172a;
    font-size: 12px;
    font-weight: 700;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 10px rgba(0, 200, 220, 0.3);
}

.expanded-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 36px;
    background: linear-gradient(135deg, #00d4e0 0%, #00a8b8 100%);
    color: #0f172a;
    font-size: 17px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    margin-top: 28px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 6px 20px rgba(0, 200, 220, 0.4);
    width: fit-content;
}

.expanded-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 220, 240, 0.5);
}

.expanded-cta svg {
    transition: transform 0.3s ease;
}

.expanded-cta:hover svg {
    transform: translateX(4px);
}

/* 卡片顶部渐变条 - 统一青色主题 */
.accordion-card[data-card="chushi"]::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #00d4e0 0%, #00a8b8 100%);
    z-index: 10;
}

.accordion-card[data-card="baoyan"]::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #00d4e0 0%, #00a8b8 100%);
    z-index: 10;
}

.accordion-card[data-card="fushi"]::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #00d4e0 0%, #00a8b8 100%);
    z-index: 10;
}

/* 卡片数字颜色 - 统一青色 */
.accordion-card[data-card="chushi"] .card-number,
.accordion-card[data-card="baoyan"] .card-number,
.accordion-card[data-card="fushi"] .card-number {
    background: linear-gradient(135deg, #00d4e0 0%, #00a8b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 默认展开第二张卡片（复试） */
.accordion-card.active {
    flex: 10;
    border-color: rgba(0, 220, 240, 0.6);
    box-shadow:
        0 0 30px rgba(0, 220, 240, 0.3),
        0 0 60px rgba(0, 200, 220, 0.15),
        0 25px 50px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.accordion-card.active .card-collapsed {
    opacity: 0;
}

.accordion-card.active .card-expanded {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

/* 当其他卡片hover时，取消active卡片的展开状态 */
.accordion-container:has(.accordion-card:hover) .accordion-card.active:not(:hover) {
    flex: 1;
}

.accordion-container:has(.accordion-card:hover) .accordion-card.active:not(:hover) .card-collapsed {
    opacity: 1;
}

.accordion-container:has(.accordion-card:hover) .accordion-card.active:not(:hover) .card-expanded {
    opacity: 0;
    transform: translateX(20px);
    pointer-events: none;
}

/* ========== 手风琴响应式设计 ========== */
@media (max-width: 1024px) {
    .accordion-container {
        height: 420px;
    }

    .card-expanded {
        padding: 30px;
    }

    .expanded-header h3 {
        font-size: 20px;
    }

    .expanded-list li {
        font-size: 14px;
        padding: 8px 0;
    }
}

@media (max-width: 768px) {
    .hero-accordion {
        padding: 70px 0 40px;
        min-height: auto;
    }

    .hero-intro {
        margin-top: 70px;
        margin-bottom: 30px;
    }

    .accordion-container {
        flex-direction: column;
        height: auto;
        gap: 12px;
    }

    .accordion-card {
        min-height: 80px;
        flex: none;
        height: 80px;
    }

    .accordion-card:hover,
    .accordion-card.active {
        height: 320px;
    }

    /* 移动端：取消active状态的自动展开 */
    .accordion-container:has(.accordion-card:hover) .accordion-card.active:not(:hover) {
        height: 80px;
    }

    .card-collapsed {
        flex-direction: row;
        gap: 16px;
        padding: 20px;
    }

    .card-number {
        font-size: 36px;
    }

    .card-title-vertical {
        writing-mode: horizontal-tb;
        font-size: 16px;
        letter-spacing: 2px;
    }

    .card-expanded {
        padding: 24px;
    }

    .expanded-icon {
        font-size: 36px;
    }

    .expanded-header h3 {
        font-size: 18px;
    }

    .expanded-subtitle {
        font-size: 13px;
    }

    .expanded-list li {
        font-size: 13px;
        padding: 6px 0;
    }

    .expanded-list .check-icon {
        width: 18px;
        height: 18px;
        font-size: 10px;
    }

    .expanded-cta {
        padding: 12px 20px;
        font-size: 14px;
    }

    /* Removed: .card-hot-badge (no longer using badges) */
}

@media (max-width: 480px) {
    .hero-accordion {
        padding: 60px 0 30px;
    }

    .hero-intro {
        margin-top: 60px;
        margin-bottom: 25px;
    }

    .hero-main-title {
        font-size: 22px;
    }

    .hero-main-desc {
        font-size: 14px;
    }

    .accordion-card {
        height: 70px;
    }

    .accordion-card:hover,
    .accordion-card.active {
        height: 300px;
    }

    .accordion-container:has(.accordion-card:hover) .accordion-card.active:not(:hover) {
        height: 70px;
    }

    /* Removed: .card-number (no longer using numbers) */

    .card-title-vertical {
        font-size: 14px;
    }

    .card-expanded {
        padding: 20px;
    }

    .expanded-header {
        gap: 12px;
        margin-bottom: 16px;
    }

    /* Removed: .expanded-icon (no longer using icons) */

    .expanded-header h3 {
        font-size: 16px;
    }

    .expanded-list li {
        font-size: 12px;
        gap: 8px;
    }
}

/* ========== 弹幕经验分享区 ========== */
.danmaku-experiences {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    padding: 60px 0 40px;
    overflow: hidden;
}

.danmaku-experiences .section-title {
    margin-bottom: 8px;
}

.danmaku-experiences .section-subtitle {
    margin-bottom: 32px;
}

/* 搜索栏样式 */
.exp-search-wrapper {
    max-width: 600px;
    margin: 0 auto 40px;
}

.exp-search-box {
    display: flex;
    align-items: center;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 50px;
    padding: 12px 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.exp-search-box:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 4px 20px rgba(76, 139, 245, 0.15);
}

.exp-search-box .search-icon {
    font-size: 18px;
    margin-right: 12px;
    opacity: 0.6;
}

.exp-search-box input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 15px;
    background: transparent;
    color: var(--color-text-primary);
}

.exp-search-box input::placeholder {
    color: #94a3b8;
}

.search-clear {
    background: #e2e8f0;
    border: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    color: #64748b;
    display: none;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.search-clear.visible {
    display: flex;
}

.search-clear:hover {
    background: #cbd5e1;
}

/* 搜索标签 */
.search-tags {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.search-tag {
    padding: 6px 16px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    font-size: 13px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.search-tag:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.search-tag.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* 弹幕容器 */
.danmaku-container {
    position: relative;
    padding: 20px 0;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
}

/* 弹幕行 */
.danmaku-row {
    margin-bottom: 16px;
    overflow: hidden;
}

.danmaku-row:last-child {
    margin-bottom: 0;
}

/* 弹幕轨道 */
.danmaku-track {
    display: flex;
    gap: 20px;
    width: max-content;
}

/* 向左滑动动画 */
.danmaku-row[data-direction="left"] .danmaku-track {
    animation: danmakuLeft 60s linear infinite;
}

.danmaku-row[data-direction="left"][data-speed="slow"] .danmaku-track {
    animation-duration: 80s;
}

.danmaku-row[data-direction="left"][data-speed="fast"] .danmaku-track {
    animation-duration: 45s;
}

/* 向右滑动动画 */
.danmaku-row[data-direction="right"] .danmaku-track {
    animation: danmakuRight 60s linear infinite;
}

.danmaku-row[data-direction="right"][data-speed="slow"] .danmaku-track {
    animation-duration: 80s;
}

.danmaku-row[data-direction="right"][data-speed="medium"] .danmaku-track {
    animation-duration: 55s;
}

/* 悬停暂停 */
.danmaku-container:hover .danmaku-track {
    animation-play-state: paused;
}

@keyframes danmakuLeft {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

@keyframes danmakuRight {
    0% {
        transform: translateX(-50%);
    }
    100% {
        transform: translateX(0);
    }
}

/* 弹幕卡片 */
.danmaku-item {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    background: white;
    padding: 14px 20px;
    border-radius: 50px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: default;
}

.danmaku-item:hover {
    transform: scale(1.05) translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    border-color: var(--color-primary);
    z-index: 10;
    position: relative;
}

.danmaku-avatar {
    font-size: 24px;
    flex-shrink: 0;
}

.danmaku-text {
    font-size: 14px;
    color: var(--color-text-primary);
    white-space: nowrap;
    font-weight: 500;
}

/* 高亮匹配的弹幕 */
.danmaku-item.highlight {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border-color: #f59e0b;
    transform: scale(1.08);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.danmaku-item.dimmed {
    opacity: 0.3;
    filter: grayscale(0.5);
}

/* 搜索结果区域 */
.search-results {
    padding: 40px 0;
    background: white;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.results-header span {
    font-size: 15px;
    color: var(--color-text-secondary);
}

.btn-back {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: 14px;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.2s;
}

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

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.result-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #f8fafc;
    padding: 16px 20px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: all 0.2s;
}

.result-card:hover {
    background: white;
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.result-avatar {
    font-size: 28px;
    flex-shrink: 0;
}

.result-text {
    font-size: 14px;
    color: var(--color-text-primary);
    line-height: 1.5;
}

.result-text mark {
    background: #fef08a;
    padding: 0 2px;
    border-radius: 2px;
}

/* 响应式 - 弹幕区 */
@media (max-width: 768px) {
    .danmaku-experiences {
        padding: 40px 0 30px;
    }

    .exp-search-wrapper {
        padding: 0 16px;
    }

    .exp-search-box {
        padding: 10px 16px;
    }

    .danmaku-item {
        padding: 10px 16px;
    }

    .danmaku-text {
        font-size: 13px;
    }

    .danmaku-avatar {
        font-size: 20px;
    }

    .search-tags {
        gap: 8px;
    }

    .search-tag {
        padding: 5px 12px;
        font-size: 12px;
    }
}

/* ========== 学习规划模块 ========== */
.learning-plan {
    padding: 80px 0;
    background: white;
}

.plan-header {
    text-align: center;
    margin-bottom: 48px;
}

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

.plan-card {
    background: var(--color-bg-secondary);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.plan-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

.plan-card.highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
}

.plan-card.highlight h3,
.plan-card.highlight p {
    color: white;
}

.plan-card.highlight .btn-primary {
    background: white;
    color: var(--color-primary);
}

.plan-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.plan-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-text-primary);
}

.plan-card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

/* 自学路径三按钮 */
.plan-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.plan-buttons .btn {
    flex: 1;
    min-width: 80px;
    text-align: center;
    white-space: nowrap;
}

/* 响应式 - 三层堆叠 */
@media (max-width: 1024px) {
    .hero-stack {
        flex-direction: column;
    }

    .stack-card.stack-fushi {
        order: -1;
    }

    .plan-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-stacked {
        padding: 100px 0 40px;
        min-height: auto;
    }

    .stack-main-title {
        font-size: 22px;
    }

    .stack-cta-main {
        flex-direction: column;
    }

    .stack-selector {
        flex-wrap: wrap;
    }
}

/* ========== 学长学姐经验分享区 - 新设计 ========== */
.senior-experiences {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    overflow: hidden;
}

/* 搜索区域 - 框框大学风格 */
.exp-hero {
    background:
        linear-gradient(180deg, rgba(15, 23, 42, 0.55) 0%, rgba(30, 58, 138, 0.42) 50%, rgba(51, 94, 205, 0.32) 100%),
        var(--hero-bg-photo);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 60px 0 50px;
    position: relative;
    overflow: hidden;
}

/* 上千+ 数字高亮样式 */
.exp-count-highlight {
    font-weight: 700;
    color: #fbbf24;
}

.exp-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(76, 139, 245, 0.12) 0%, transparent 70%);
    border-radius: 50%;
}

.exp-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.12) 0%, transparent 50%);
}

/* Hero 内联版，继承首屏背景但不重复渐变 */
.exp-hero.inline-hero {
    background: transparent;
    padding: 0 0 8px;
}

.exp-hero.inline-hero .container {
    max-width: 100%;
    padding: 0;
}

.exp-hero.inline-hero::before,
.exp-hero.inline-hero::after {
    display: none;
}

.exp-hero-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    color: white;
    text-align: center;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.exp-hero-subtitle {
    font-size: clamp(14px, 2vw, 18px);
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    margin-bottom: 36px;
    position: relative;
    z-index: 1;
}

.exp-hero-subtitle span {
    font-weight: 700;
    color: #fbbf24;
}

/* 搜索框容器 */
.exp-search-container {
    max-width: 680px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.exp-search-box {
    display: flex;
    align-items: center;
    background: white;
    border-radius: 50px;
    padding: 14px 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.exp-search-box:focus-within {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.exp-search-box .search-icon {
    color: #94a3b8;
    margin-right: 14px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.exp-search-box input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 16px;
    background: transparent;
    color: var(--color-text-primary);
}

.exp-search-box input::placeholder {
    color: #94a3b8;
}

.exp-search-box .search-clear {
    background: #f1f5f9;
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    color: #64748b;
    transition: all 0.2s;
    flex-shrink: 0;
}

.exp-search-box .search-clear.visible {
    display: flex;
}

.exp-search-box .search-clear:hover {
    background: #e2e8f0;
    color: #334155;
}

/* 筛选标签 */
.exp-filter-tags {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.filter-tag {
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 25px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.filter-tag:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.filter-tag.active {
    background: white;
    color: var(--color-primary);
    border-color: white;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* 卡片滚动区域 */
.exp-cards-section {
    padding: 40px 0;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 3%, black 97%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 3%, black 97%, transparent);
}

.exp-cards-row {
    margin-bottom: 20px;
    overflow: hidden;
}

.exp-cards-row:last-child {
    margin-bottom: 0;
}

.exp-cards-track {
    display: flex;
    gap: 20px;
    width: max-content;
}

/* 向左滚动动画 */
.exp-cards-row[data-direction="left"] .exp-cards-track {
    animation: scrollLeft 15s linear infinite;
}

.exp-cards-row[data-direction="left"][data-speed="slow"] .exp-cards-track {
    animation-duration: 22s;
}

.exp-cards-row[data-direction="left"][data-speed="fast"] .exp-cards-track {
    animation-duration: 10s;
}

/* 向右滚动动画 */
.exp-cards-row[data-direction="right"] .exp-cards-track {
    animation: scrollRight 15s linear infinite;
}

.exp-cards-row[data-direction="right"][data-speed="medium"] .exp-cards-track {
    animation-duration: 13s;
}

.exp-cards-row[data-direction="right"][data-speed="slow"] .exp-cards-track {
    animation-duration: 22s;
}

/* 悬停暂停 */
.exp-cards-section:hover .exp-cards-track {
    animation-play-state: paused;
}

@keyframes scrollLeft {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes scrollRight {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}

/* 经验卡片 - 参考"卡片形态"设计 */
.exp-card {
    flex-shrink: 0;
    width: 360px;
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.exp-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    opacity: 0;
    transition: opacity 0.3s;
}

.exp-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

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

/* 引号图标 */
.exp-card-quote {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    color: #667eea;
    font-size: 14px;
    font-weight: 500;
}

.exp-card-quote svg {
    opacity: 0.6;
}

/* 内容区域 */
.exp-card-content {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text-primary);
    margin-bottom: 20px;
    min-height: 60px;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 用户信息区域 */
.exp-card-user {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid #f1f5f9;
}

.exp-card-avatar {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #60a5fa 0%, #2563eb 100%); /* 默认蓝色 */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 16px;
    flex-shrink: 0;
}

/* 多彩头像配色 */
.exp-card:nth-child(4n+2) .exp-card-avatar {
    background: linear-gradient(135deg, #fbbf24 0%, #d97706 100%); /* 温暖橙 */
}
.exp-card:nth-child(4n+3) .exp-card-avatar {
    background: linear-gradient(135deg, #34d399 0%, #059669 100%); /* 上岸绿 */
}
.exp-card:nth-child(4n+4) .exp-card-avatar {
    background: linear-gradient(135deg, #f472b6 0%, #db2777 100%); /* 活力粉 */
}

.exp-card-info {
    flex: 1;
    min-width: 0;
}

.exp-card-school {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.exp-card-major {
    font-size: 12px;
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}

/* 卡片高亮状态 */
.exp-card.highlight {
    border-color: #667eea;
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.2);
}

.exp-card.dimmed {
    opacity: 0.3;
    filter: grayscale(0.5);
}

/* 搜索结果区域 */
.exp-search-results {
    padding: 50px 0;
    background: white;
}

.exp-search-results .results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.exp-search-results .results-header span {
    font-size: 16px;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.exp-search-results .btn-back {
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: 1px solid #e2e8f0;
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    padding: 10px 20px;
    border-radius: 25px;
    transition: all 0.3s;
}

.exp-search-results .btn-back:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.exp-search-results .results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

/* 搜索结果卡片 */
.exp-result-card {
    background: white;
    border-radius: 16px;
    padding: 24px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s;
}

.exp-result-card:hover {
    border-color: #667eea;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.exp-result-card .quote-icon {
    color: #667eea;
    margin-bottom: 12px;
    opacity: 0.5;
}

.exp-result-card .content {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text-primary);
    margin-bottom: 16px;
}

.exp-result-card .content mark {
    background: #fef08a;
    padding: 0 3px;
    border-radius: 3px;
}

.exp-result-card .user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 16px;
    border-top: 1px solid #f1f5f9;
}

.exp-result-card .avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #60a5fa 0%, #2563eb 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 14px;
}

/* 搜索结果多彩头像 */
.exp-result-card:nth-child(4n+2) .avatar {
    background: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
}
.exp-result-card:nth-child(4n+3) .avatar {
    background: linear-gradient(135deg, #34d399 0%, #059669 100%);
}
.exp-result-card:nth-child(4n+4) .avatar {
    background: linear-gradient(135deg, #f472b6 0%, #db2777 100%);
}

.exp-result-card .school {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.exp-result-card .major {
    font-size: 12px;
    color: var(--color-text-secondary);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .exp-hero {
        padding: 40px 0 35px;
    }

    .exp-hero-title {
        font-size: 24px;
    }

    .exp-search-box {
        padding: 12px 18px;
    }

    .exp-search-box input {
        font-size: 14px;
    }

    .filter-tag {
        padding: 6px 14px;
        font-size: 13px;
    }

    .exp-card {
        width: 300px;
        padding: 20px;
    }

    .exp-card-content {
        font-size: 14px;
        -webkit-line-clamp: 3;
    }

    .exp-cards-section {
        padding: 30px 0;
    }

    .exp-search-results .results-grid {
        grid-template-columns: 1fr;
    }
}

/* ========== 工具类 (CSP unsafe-inline 替代) ========== */

/* 显示隐藏 */
.hidden { display: none !important; }
.visible { display: block; }
.flex-visible { display: flex; }
.inline-visible { display: inline; }
.inline-block-visible { display: inline-block; }

/* 文本对齐 */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* 常用布局 */
.grid-2cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }

/* 间距工具类 */
.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mr-4 { margin-right: 4px; }
.mr-8 { margin-right: 8px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }

/* 颜色工具类 */
.color-primary { color: var(--color-primary); }
.color-secondary { color: var(--color-text-secondary); }
.color-muted { color: #374151; }
.color-danger { color: var(--color-error); }
.color-success { color: var(--color-success); }

/* 字体工具类 */
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-normal { font-weight: 400; }
.font-sm { font-size: var(--font-size-sm); }
.font-base { font-size: var(--font-size-base); }
.font-lg { font-size: var(--font-size-lg); }

/* 图片工具类 */
.img-cover { width: 100%; height: 100%; object-fit: cover; }
.img-contain { width: 100%; height: 100%; object-fit: contain; }

/* 宽度工具类 */
.w-full { width: 100%; }
.w-auto { width: auto; }

/* Flex 工具类 */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }

/* 边框工具类 */
.border-none { border: none; }
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: 9999px; }

/* 背景工具类 */
.bg-transparent { background: transparent; }
.bg-white { background: #fff; }
.bg-gray { background: var(--color-bg-gray); }

/* 表单必填标记 */
.required-mark { color: var(--color-error); }

/* 图片预览 */
.img-preview-sm { display: none; max-width: 120px; max-height: 120px; }

/* 边框样式 */
.border-input { border: 1px solid #e5e7eb; border-radius: 8px; }

/* 信息提示样式 */
.hint-text { color: #888; }

/* 统计信息样式 */
.stat-highlight { font-weight: 600; color: #667eea; }

/* 信息面板 */
.info-panel { margin-bottom: 16px; padding: 12px; background: #f8fafc; border-radius: 8px; }

/* 模态框内容样式 */
.modal-text-center { text-align: center; }
.modal-paragraph { margin-bottom: 16px; color: #374151; }
.modal-paragraph-highlight { margin-bottom: 16px; color: #1f2937; font-weight: 500; }
.modal-wechat { font-weight: 600; color: #1f2937; }
.modal-note { color: #64748b; font-size: 14px; margin-top: 12px; line-height: 1.6; }
.qr-code-center { margin: 20px auto; }
.qr-placeholder-center { margin: 0 auto; }

/* 图片填充容器 */
.img-fill-contain { display: none; width: 100%; height: 100%; object-fit: contain; }

/* 联系弹窗样式 */
.contact-paragraph { margin-bottom: 16px; color: #666; }
.contact-wechat { margin-top: 16px; font-weight: 600; }
.contact-note { color: #888; font-size: 14px; margin-top: 8px; }