/* ============================================
   安全365 - 人脸识别安全生产培训平台
   主样式表
   ============================================ */

/* CSS 变量 - 设计系统 */
:root {
    --color-primary: #1a5fb4;
    --color-primary-dark: #0d3b7a;
    --color-primary-light: #4fc3f7;
    --color-accent: #ff6b35;
    --color-accent-light: #ff8c5a;
    --color-success: #00c853;
    --color-success-light: #69f0ae;
    --color-warning: #ffb300;
    --color-danger: #c0392b;
    --color-text: #1a1a2e;
    --color-text-secondary: #5a6c7d;
    --color-text-light: #8899aa;
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-bg-dark: #0d1b2a;
    --color-bg-darker: #0a1520;
    --color-border: #e1e8ed;
    --color-border-light: #f0f3f5;
    --gradient-primary: linear-gradient(135deg, #1a5fb4 0%, #0d3b7a 100%);
    --gradient-accent: linear-gradient(135deg, #ff6b35 0%, #ff8c5a 100%);
    --gradient-dark: linear-gradient(135deg, #0d1b2a 0%, #1b2838 100%);
    --gradient-hero: linear-gradient(135deg, #0d1b2a 0%, #1a5fb4 50%, #0d3b7a 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
    --shadow-card: 0 4px 24px rgba(26, 95, 180, 0.08);
    --shadow-card-hover: 0 12px 48px rgba(26, 95, 180, 0.15);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 104px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
        'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

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

/* 按钮系统 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    user-select: none;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-accent);
    color: #fff;
    box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.4);
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    padding: 8px 16px;
}

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

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

/* 顶部通栏广告 */
.top-banner {
    position: relative;
    background: linear-gradient(90deg, #0d3b7a, #1a5fb4, #ff6b35);
    background-size: 200% 100%;
    animation: bannerFlow 4s linear infinite;
    color: #fff;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    transition: transform 0.3s ease;
}

.top-banner.hidden {
    transform: translateY(-100%);
}

@keyframes bannerFlow {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

.top-banner-content {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-style: italic;
    font-weight: bold;
    flex: 1;
    justify-content: center;
    padding: 0 40px;
}

.top-banner-icon {
    font-size: 24px;
}

.top-banner-text {
    opacity: 0.95;
}

.top-banner-btn {
    color: #fff;
    font-weight: 700;
    text-decoration: underline;
    white-space: nowrap;
}

.top-banner-btn:hover {
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
}

.top-banner-close {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #fff;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    opacity: 0.7;
}

.top-banner-close:hover {
    opacity: 1;
}

/* 顶部导航 */
.header {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-md);
}

/* 透明状态下的导航样式 */
.header .nav-link {
    color: rgba(255, 255, 255, 0.85);
}

.header .nav-link:hover,
.header .nav-link.active {
    color: #fff;
}

.header .nav-link:hover::after,
.header .nav-link.active::after {
    background: #fff;
}

.header .hamburger span {
    background: #fff;
}

.header .btn-ghost {
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.header .btn-ghost:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

/* 滚动后恢复深色 */
.header.scrolled .nav-link {
    color: var(--color-text-secondary);
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
    color: var(--color-primary);
}

.header.scrolled .nav-link:hover::after,
.header.scrolled .nav-link.active::after {
    background: var(--gradient-accent);
}

.header.scrolled .hamburger span {
    background: var(--color-text);
}

.header.scrolled .btn-ghost {
    color: var(--color-primary) !important;
    background: rgba(26, 95, 180, 0.08);
    border: 1px solid rgba(26, 95, 180, 0.2);
}

.header.scrolled .btn-ghost:hover {
    color: #fff !important;
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-icon {
    height: 44px;
    width: auto;
    transition: opacity 0.3s ease;
}

.logo-dark {
    display: none;
}

.header.scrolled .logo-white {
    display: none;
}

.header.scrolled .logo-dark {
    display: block;
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-list {
    display: flex;
    gap: 4px;
}

.nav-link {
    position: relative;
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-sm);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 16px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero 区域 */
.hero {
    position: relative;
    min-height: 100vh;
    background: var(--gradient-hero);
    color: #fff;
    padding-top: 0;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-glow {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
}

.hero-container {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    min-height: 100vh;
    padding: 100px 24px 60px;
}

.hero-content {
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 100px;
    font-size: 14px;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success-light);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

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

.hero-title {
    font-size: clamp(36px, 6vw, 48px);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}

.title-line {
    display: block;
}

.title-sub {
    display: block;
    margin-top: 12px;
    font-size: clamp(24px, 4vw, 36px);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 17px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
}

.hero-desc strong {
    color: var(--color-accent-light);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-actions .btn-primary {
    background: var(--gradient-accent);
}

.hero-actions .btn-outline {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.4);
}

.hero-actions .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
    color: #fff;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

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

.stat-num {
    font-size: 32px;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

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

/* Hero 视觉区 - 人脸识别取景框 */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 500px;
}

/* ========== Hero图片轮播 ========== */
.hero-carousel {
    position: relative;
    width: 100%;
    max-width: 560px;
    height: 600px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.carousel-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.carousel-dots {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.carousel-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dots .dot.active {
    background: #ff6b35;
    width: 28px;
    border-radius: 5px;
}

.tech-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(79, 195, 247, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(79, 195, 247, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.tech-circuit {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-primary-light), transparent);
    opacity: 0.4;
}

.circuit-1 {
    top: 20%;
    left: 0;
    width: 60%;
    animation: circuitFlow 4s linear infinite;
}

.circuit-2 {
    bottom: 30%;
    right: 0;
    width: 50%;
    animation: circuitFlow 5s linear infinite reverse;
}

.tech-particles {
    position: absolute;
    inset: 0;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-primary-light);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-primary-light);
    animation: particleFloat 6s ease-in-out infinite;
}

.particle.p1 { top: 15%; left: 20%; animation-delay: 0s; }
.particle.p2 { top: 40%; left: 80%; animation-delay: 1s; }
.particle.p3 { top: 70%; left: 30%; animation-delay: 2s; }
.particle.p4 { top: 30%; left: 60%; animation-delay: 3s; }
.particle.p5 { top: 85%; left: 75%; animation-delay: 1.5s; }

@keyframes circuitFlow {
    0% { transform: translateX(-100%); opacity: 0; }
    50% { opacity: 0.6; }
    100% { transform: translateX(100%); opacity: 0; }
}

@keyframes particleFloat {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.8; }
    50% { transform: translateY(-20px) scale(1.2); opacity: 1; }
}

/* ========== 3D玻璃面板 ========== */
.glass-panel {
    position: relative;
    width: 340px;
    height: 420px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.15) 0%, 
        rgba(255, 255, 255, 0.05) 50%, 
        rgba(79, 195, 247, 0.1) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    box-shadow: 
        0 25px 60px rgba(0, 0, 0, 0.3),
        0 0 80px rgba(26, 95, 180, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: panelFloat 6s ease-in-out infinite;
    transform-style: preserve-3d;
}

.panel-reflection {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(180deg, 
        rgba(255, 255, 255, 0.15) 0%, 
        transparent 100%);
    border-radius: 24px 24px 0 0;
    pointer-events: none;
}

@keyframes panelFloat {
    0%, 100% { transform: translateY(0) rotateY(-2deg); }
    50% { transform: translateY(-10px) rotateY(2deg); }
}

/* ========== 人脸识别面板 ========== */
.face-id-panel {
    position: relative;
    width: 220px;
    height: 280px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.face-scan-ring {
    position: absolute;
    width: 180px;
    height: 180px;
    border: 2px solid rgba(79, 195, 247, 0.3);
    border-radius: 50%;
    animation: ringPulse 3s ease-in-out infinite;
}

.face-scan-ring.ring-2 {
    width: 200px;
    height: 200px;
    border-color: rgba(79, 195, 247, 0.15);
    animation-delay: 0.5s;
}

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

.face-outline {
    width: 160px;
    height: 160px;
    position: relative;
    z-index: 2;
}

.face-outline svg {
    width: 100%;
    height: 100%;
}

.scan-status {
    position: absolute;
    bottom: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 12px;
}

.hero-status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success-light);
    border-radius: 50%;
    animation: pulse 1.5s ease-in-out infinite;
    box-shadow: 0 0 10px var(--color-success-light);
}

.progress-bar {
    width: 120px;
    height: 3px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary-light), var(--color-success-light));
    border-radius: 2px;
    animation: progressAnim 3s ease-in-out infinite;
}

@keyframes progressAnim {
    0% { width: 0%; }
    50% { width: 85%; }
    100% { width: 0%; }
}

/* ========== 盾牌徽章 ========== */
.shield-badge {
    position: absolute;
    left: -30px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    animation: badgeFloat 4s ease-in-out infinite;
    z-index: 10;
}

.shield-badge svg {
    width: 55px;
    height: 60px;
    filter: drop-shadow(0 8px 20px rgba(26, 95, 180, 0.4));
}

.shield-label {
    font-size: 10px;
    color: var(--color-success-light);
    font-weight: 600;
    white-space: nowrap;
}

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

/* ========== 钥匙徽章 ========== */
.key-badge {
    position: absolute;
    right: -40px;
    top: 35%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    animation: keyFloat 5s ease-in-out infinite;
    z-index: 10;
}

.key-badge svg {
    width: 80px;
    height: 32px;
    filter: drop-shadow(0 4px 12px rgba(255, 107, 53, 0.4));
}

.key-label {
    font-size: 10px;
    color: var(--color-accent-light);
    font-weight: 600;
    white-space: nowrap;
}

@keyframes keyFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ========== 浮动证书卡片 ========== */
.floating-certs {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.hero-cert-card {
    position: absolute;
    padding: 12px 16px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(250, 250, 252, 0.9) 100%);
    border-radius: 14px;
    box-shadow: 
        0 12px 32px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.5);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 180px;
    animation: certFloat 4s ease-in-out infinite;
    z-index: 100;
}

.hero-cert-card .hero-cert-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(26, 95, 180, 0.1), rgba(79, 195, 247, 0.1));
    border-radius: 10px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.hero-cert-card .hero-cert-icon svg {
    width: 20px;
    height: 20px;
}

.hero-cert-card .hero-cert-icon.training {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(255, 179, 0, 0.1));
    color: var(--color-accent);
}

.hero-cert-card .hero-cert-icon.archive {
    background: linear-gradient(135deg, rgba(0, 200, 83, 0.1), rgba(105, 240, 174, 0.1));
    color: var(--color-success);
}

.hero-cert-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.hero-cert-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
}

.hero-cert-no {
    font-size: 11px;
    color: var(--color-text-secondary);
}

.hero-cert-status {
    font-size: 11px;
    font-weight: 500;
}

.hero-cert-status.verified {
    color: var(--color-success);
}

.hero-progress-mini {
    width: 80px;
    height: 4px;
    background: rgba(0, 0, 0, 0.08);
    border-radius: 2px;
    overflow: hidden;
}

.hero-progress-mini-fill {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary-light), var(--color-accent));
    border-radius: 2px;
}

/* 卡片位置 */
.cert-1 {
    top: 5%;
    right: -40px;
    animation-delay: 0s;
}

.cert-2 {
    bottom: 25%;
    left: -40px;
    animation-delay: 1.5s;
}

.cert-3 {
    bottom: 5%;
    right: 20%;
    animation-delay: 0.8s;
}

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

/* ========== 数据流动 ========== */
.data-flow {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 24px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    pointer-events: none;
}

.flow-line {
    position: absolute;
    top: 50%;
    left: 60px;
    right: 60px;
    height: 2px;
    background: linear-gradient(90deg, 
        var(--color-success) 0%, 
        var(--color-success) 50%, 
        rgba(0, 0, 0, 0.1) 50%, 
        rgba(0, 0, 0, 0.1) 100%);
    transform: translateY(-50%);
    background-size: 200% 100%;
    animation: flowLine 3s linear infinite;
}

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

.flow-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 4px 8px;
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.95);
}

.node-label {
    font-size: 10px;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.node-status {
    font-size: 12px;
    color: var(--color-success);
    font-weight: bold;
}

.node-3 .node-status {
    color: var(--color-accent);
    animation: blink 1.5s ease-in-out infinite;
}

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

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

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    animation: bounce 2s ease-in-out infinite;
}

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

/* 区块通用样式 */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--color-accent);
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 16px;
}

.section-title-left {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 24px;
}

.highlight {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: 17px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* 核心功能区 */
.features {
    padding: 100px 0;
    background: #fff;
}

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

.feature-card {
    position: relative;
    padding: 40px 32px;
    background: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

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

.feature-card.feature-primary::before {
    background: linear-gradient(90deg, #1a5fb4, #4fc3f7);
}

.feature-card.feature-secondary::before {
    background: linear-gradient(90deg, #ff6b35, #ffb300);
}

.feature-card.feature-tertiary::before {
    background: linear-gradient(90deg, #00c853, #69f0ae);
}

.feature-icon-wrap {
    position: relative;
    width: 72px;
    height: 72px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-primary .feature-icon {
    background: linear-gradient(135deg, rgba(26, 95, 180, 0.1), rgba(79, 195, 247, 0.1));
    color: var(--color-primary);
}

.feature-secondary .feature-icon {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(255, 179, 0, 0.1));
    color: var(--color-accent);
}

.feature-tertiary .feature-icon {
    background: linear-gradient(135deg, rgba(0, 200, 83, 0.1), rgba(105, 240, 174, 0.1));
    color: var(--color-success);
}

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

.feature-number {
    position: absolute;
    top: -8px;
    right: 0;
    font-size: 48px;
    font-weight: 900;
    color: var(--color-border-light);
    z-index: -1;
}

.feature-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-desc {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--color-text);
}

.check-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

/* 行业解决方案 */
.solutions {
    padding: 100px 0;
    background: #fff;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.solution-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.solution-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.solution-img {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.solution-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(255, 255, 255, 0.95) 100%);
}

.solution-content {
    padding: 28px;
    margin-top: -40px;
    position: relative;
    z-index: 1;
}

.solution-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 16px;
    box-shadow: 0 4px 16px rgba(26, 95, 180, 0.3);
}

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

.solution-content h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 10px;
}

.solution-content > p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.solution-content ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.solution-content ul li {
    position: relative;
    padding-left: 20px;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.solution-content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
}

/* 工作流程 */
.how-it-works {
    padding: 100px 0;
    background: #fff;
}

.steps-container {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 20px 0;
}

.step-line {
    position: absolute;
    top: 56px;
    left: 12.5%;
    right: 12.5%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary-light) 0%, var(--color-accent) 50%, var(--color-success) 100%);
    border-radius: 2px;
    z-index: 0;
}

.step-card {
    position: relative;
    text-align: center;
    padding: 24px 16px;
    z-index: 1;
}

.step-number {
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(26, 95, 180, 0.3);
    position: relative;
}

.step-card:nth-child(2) .step-number {
    background: linear-gradient(135deg, #1976d2, #42a5f5);
}

.step-card:nth-child(3) .step-number {
    background: linear-gradient(135deg, #f57c00, #ffb300);
}

.step-card:nth-child(4) .step-number {
    background: linear-gradient(135deg, #00c853, #69f0ae);
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: #fff;
    border: 2px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: var(--transition);
}

.step-icon svg {
    width: 40px;
    height: 40px;
}

.step-card:hover .step-icon {
    border-color: var(--color-primary);
    background: var(--color-bg-light);
    transform: scale(1.05);
}

.step-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

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

/* 电子证书 */
.certificate-section {
    padding: 100px 0;
    background: var(--color-bg-light);
}

.certificate-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.certificate-info .section-tag {
    color: var(--color-primary);
}

.certificate-desc {
    font-size: 16px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.certificate-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.certificate-features li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.certificate-features li:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.cert-feature-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.certificate-features strong {
    display: block;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.certificate-features span {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* 证书预览 */
.certificate-preview {
    display: flex;
    justify-content: center;
}

.certificate-frame {
    width: 100%;
    max-width: 420px;
    background: linear-gradient(135deg, #fffef5 0%, #fff 100%);
    border: 2px solid #e8dcc8;
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.certificate-frame::before {
    content: '';
    position: absolute;
    inset: 8px;
    border: 1px dashed #d4c4a0;
    border-radius: var(--radius-md);
    pointer-events: none;
}

.cert-header {
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 2px double #d4c4a0;
    margin-bottom: 24px;
    position: relative;
}

.cert-seal {
    width: 80px;
    height: 80px;
    margin: 0 auto 12px;
}

.cert-seal svg {
    width: 100%;
    height: 100%;
}

.cert-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 2px;
}

.cert-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.cert-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    padding: 6px 0;
    border-bottom: 1px dotted #e8dcc8;
}

.cert-row span:first-child {
    color: var(--color-text-secondary);
}

.cert-name {
    font-weight: 700;
    color: var(--color-text);
}

.cert-pass {
    color: var(--color-success);
    font-weight: 700;
}

.cert-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.cert-qrcode {
    text-align: center;
}

.qr-placeholder {
    width: 64px;
    height: 64px;
    padding: 4px;
    background: #fff;
    border: 1px solid #d4c4a0;
    border-radius: 4px;
    margin-bottom: 4px;
}

.qr-placeholder svg {
    width: 100%;
    height: 100%;
}

.cert-qrcode span {
    font-size: 11px;
    color: var(--color-text-secondary);
}

.cert-number {
    font-size: 12px;
    color: var(--color-text-light);
    font-family: 'Courier New', monospace;
}

/* ========== 部署方式 ========== */
.deploy-section {
    padding: 80px 0;
    background: #fff;
}

.deploy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.deploy-card {
    position: relative;
    background: #fff;
    border-radius: 16px;
    padding: 40px 32px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.deploy-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.deploy-saas:hover {
    border-color: var(--color-primary);
}

.deploy-private:hover {
    border-color: var(--color-accent);
}

.deploy-icon {
    width: 56px;
    height: 56px;
    color: #fff;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.deploy-icon svg {
    width: 32px;
    height: 32px;
}

.deploy-saas .deploy-icon {
    background: linear-gradient(135deg, #1a5fb4, #4fc3f7);
}

.deploy-private .deploy-icon {
    background: linear-gradient(135deg, #ff6b35, #ff8c5a);
}

.deploy-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.deploy-desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.deploy-list {
    list-style: none;
    margin-bottom: 24px;
}

.deploy-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 14px;
    color: var(--color-text);
}

.deploy-list .check {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #fff;
    flex-shrink: 0;
}

.deploy-saas .check {
    background: var(--color-primary);
}

.deploy-private .check {
    background: var(--color-accent);
}

.deploy-tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.deploy-saas .deploy-tag {
    background: rgba(26, 95, 180, 0.1);
    color: var(--color-primary);
}

.deploy-private .deploy-tag {
    background: rgba(255, 107, 53, 0.1);
    color: var(--color-accent);
}

.deploy-btn {
    display: block;
    text-align: center;
    width: 100%;
    margin-top: 16px;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
}

/* ========== 开放平台 ========== */
.openplatform-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.openplatform-content {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 420px;
    margin-top: 48px;
}

.openplatform-center {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.openplatform-core {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1a5fb4, #0d3b7a);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 8px 32px rgba(26, 95, 180, 0.4);
    position: relative;
    z-index: 2;
}

.openplatform-core svg {
    width: 48px;
    height: 48px;
    margin-bottom: 4px;
}

.core-label {
    font-size: 11px;
    text-align: center;
    line-height: 1.4;
    font-weight: 600;
}

.openplatform-line {
    position: absolute;
    background: linear-gradient(90deg, #1a5fb4, #ff6b35);
    opacity: 0.3;
    z-index: 1;
}

.line-1 { width: 140px; height: 2px; top: 60px; left: 50%; transform: translateX(-260px) rotate(-15deg); }
.line-2 { width: 140px; height: 2px; top: 60px; right: 50%; transform: translateX(260px) rotate(15deg); }
.line-3 { width: 140px; height: 2px; bottom: 60px; left: 50%; transform: translateX(-260px) rotate(15deg); }
.line-4 { width: 140px; height: 2px; bottom: 60px; right: 50%; transform: translateX(260px) rotate(-15deg); }

.openplatform-cards {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.op-card {
    position: absolute;
    width: 200px;
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-border-light);
    pointer-events: auto;
    transition: all 0.3s ease;
}

.op-card:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.op-top-left { top: 20px; left: 10%; }
.op-top-right { top: 20px; right: 10%; }
.op-bottom-left { bottom: 20px; left: 10%; }
.op-bottom-right { bottom: 20px; right: 10%; }

.op-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(26, 95, 180, 0.1), rgba(255, 107, 53, 0.1));
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

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

.op-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 6px;
}

.op-card p {
    font-size: 12px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.openplatform-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 32px;
    margin-top: 40px;
}

.op-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--color-text);
    font-weight: 600;
}

.op-feature-icon {
    font-size: 20px;
}

/* 响应式 */
@media (max-width: 768px) {
    .deploy-grid {
        grid-template-columns: 1fr;
    }

    .op-card {
        width: 160px;
        padding: 14px;
    }

    .op-top-left { left: 2%; }
    .op-top-right { right: 2%; }
    .op-bottom-left { left: 2%; }
    .op-bottom-right { right: 2%; }

    .openplatform-features {
        gap: 16px;
    }
}

/* ========== 价格方案 ========== */
.pricing-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 800px;
    margin: 48px auto 0;
}

.pricing-card {
    position: relative;
    background: #fff;
    border-radius: 16px;
    padding: 40px 32px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.pricing-popular {
    border-color: var(--color-primary);
}

.pricing-enterprise:hover {
    border-color: var(--color-accent);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-accent);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 20px;
    white-space: nowrap;
}

.pricing-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: #fff;
}

.pricing-icon svg {
    width: 32px;
    height: 32px;
}

.pricing-popular .pricing-icon {
    background: linear-gradient(135deg, #1a5fb4, #4fc3f7);
}

.pricing-enterprise .pricing-icon {
    background: linear-gradient(135deg, #ff6b35, #ff8c5a);
}

.pricing-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    text-align: center;
    margin-bottom: 12px;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
    margin-bottom: 8px;
}

.price-symbol {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
}

.price-num {
    font-size: 48px;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.price-unit {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.price-custom {
    font-size: 28px;
    color: var(--color-accent);
}

.pricing-desc {
    font-size: 13px;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: 24px;
}

.pricing-list {
    list-style: none;
    margin-bottom: 24px;
}

.pricing-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 0;
    font-size: 14px;
    color: var(--color-text);
}

.pricing-list .check {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #fff;
    flex-shrink: 0;
    background: var(--color-primary);
}

.pricing-enterprise .check {
    background: var(--color-accent);
}

.pricing-btn {
    display: block;
    text-align: center;
    width: 100%;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
}

.pricing-note {
    text-align: center;
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 12px;
    color: var(--color-text-secondary);
}

@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

/* 数据统计 */
.stats-section {
    padding: 80px 0;
    background: var(--gradient-dark);
    color: #fff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.stat-card {
    text-align: center;
    padding: 32px 16px;
}

.stat-icon-wrap {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-light);
}

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

.stat-big {
    font-size: 42px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 8px;
    color: var(--color-accent-light);
}

.stat-big .counter {
    display: inline-block;
}

.stat-plus {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-accent-light);
}

.stat-label-cn {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
}

/* ========== 客户案例 ========== */
.clients-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.clients-content {
    margin-top: 48px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.clients-row {
    display: flex;
    align-items: stretch;
    gap: 24px;
    background: #fff;
    border-radius: 12px;
    padding: 20px 24px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.3s ease;
}

.clients-row:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.clients-industry {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    width: 100px;
    border-right: 2px solid var(--color-border-light);
    padding-right: 20px;
}

.industry-label {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-primary);
    white-space: nowrap;
}

.clients-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    flex: 1;
    align-items: center;
}

.client-logo {
    height: 48px;
    min-width: 120px;
    padding: 0 20px;
    border: 1px solid var(--color-border-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    cursor: default;
}

.client-logo:hover {
    border-color: var(--color-primary);
    background: rgba(26, 95, 180, 0.04);
    transform: translateY(-2px);
}

.client-logo span {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
}

@media (max-width: 768px) {
    .clients-row {
        flex-direction: column;
        gap: 12px;
    }

    .clients-industry {
        width: 100%;
        border-right: none;
        border-bottom: 2px solid var(--color-border-light);
        padding-right: 0;
        padding-bottom: 8px;
    }

    .client-logo {
        min-width: 100px;
        height: 40px;
    }

    .client-logo span {
        font-size: 13px;
    }
}

/* 客户评价 */
.testimonials {
    padding: 100px 0;
    background: #fff;
}

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

.testimonial-card {
    position: relative;
    padding: 40px 32px 32px;
    background: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.quote-icon {
    position: absolute;
    top: 16px;
    right: 24px;
    font-size: 64px;
    color: var(--color-primary-light);
    opacity: 0.3;
    line-height: 1;
    font-family: Georgia, serif;
}

.testimonial-text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border-light);
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 18px;
}

.author-info strong {
    display: block;
    font-size: 15px;
    font-weight: 700;
}

.author-info span {
    font-size: 13px;
    color: var(--color-text-secondary);
}

/* CTA 区域 */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(rgba(13, 27, 42, 0.88), rgba(13, 27, 42, 0.88)), url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=industrial%20safety%20workers%20team%20construction%20site%20sunrise%20professional%20wide%20panorama&image_size=landscape_16_9');
    background-size: cover;
    background-position: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.3) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    flex-wrap: wrap;
}

.cta-content h2 {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 800;
    margin-bottom: 12px;
}

.cta-content p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
}

.cta-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* 页脚 */
.footer {
    background: var(--color-bg-darker);
    color: #fff;
    padding: 64px 0 0;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 64px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-footer .logo-icon {
    height: 40px;
    filter: brightness(0) invert(1);
}

.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 20px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col ul li {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

.footer-col ul li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition-fast);
}

.footer-col ul li a:hover {
    color: var(--color-accent-light);
    padding-left: 4px;
}

.footer-bottom {
    padding: 24px 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-links a:hover {
    color: rgba(255, 255, 255, 0.8);
}

/* 浮动按钮 */
.float-actions {
    position: fixed;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.float-btn {
    position: relative;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.float-wechat { background: linear-gradient(135deg, #07c160, #06ad56); }
.float-phone { background: linear-gradient(135deg, #ff6b35, #ff8c5a); }
.float-demo { background: linear-gradient(135deg, #1a5fb4, #4fc3f7); }

.float-btn:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.float-btn svg {
    width: 22px;
    height: 22px;
}

.float-label {
    position: absolute;
    right: 58px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.75);
    color: #fff;
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.float-btn:hover .float-label {
    opacity: 1;
}

/* ========== 联系弹窗 ========== */
.contact-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
}

.contact-modal.active {
    display: flex;
}

.contact-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.contact-modal-box {
    position: relative;
    background: #fff;
    border-radius: 16px;
    padding: 40px 32px;
    max-width: 420px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalIn 0.3s ease;
}

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

.contact-modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 28px;
    color: var(--color-text-secondary);
    cursor: pointer;
    line-height: 1;
}

.contact-modal-close:hover {
    color: var(--color-text);
}

.contact-modal-content {
    text-align: center;
}

.contact-modal-content h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 20px;
}

.contact-qr {
    width: 200px;
    height: 200px;
    margin: 0 auto 20px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--color-border-light);
}

.contact-qr img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.contact-info-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 0;
    font-size: 16px;
    color: var(--color-text);
    font-weight: 600;
}

.contact-info-item svg {
    width: 22px;
    height: 22px;
    color: var(--color-primary);
}

.contact-tip {
    margin-top: 16px;
    padding: 12px 16px;
    background: rgba(26, 95, 180, 0.08);
    border-radius: 8px;
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.contact-tip strong {
    color: var(--color-accent);
}

/* ========== 国家政策 ========== */
.policy-section {
    padding: 100px 0;
    background: #fff;
}

.policy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 60px;
}

.policy-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(26, 95, 180, 0.08);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.policy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
}

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

.policy-card.policy-law::before {
    background: linear-gradient(90deg, #1a5fb4, #4fc3f7);
}

.policy-card.policy-reason::before {
    background: linear-gradient(90deg, #ff6b35, #ffb300);
}

.policy-card.policy-goal::before {
    background: linear-gradient(90deg, #00c853, #69f0ae);
}

.policy-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(26, 95, 180, 0.1), rgba(79, 195, 247, 0.1));
    border-radius: 16px;
    margin-bottom: 24px;
    color: var(--color-primary);
}

.policy-icon svg {
    width: 32px;
    height: 32px;
}

.policy-card.policy-reason .policy-icon {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(255, 179, 0, 0.1));
    color: var(--color-accent);
}

.policy-card.policy-goal .policy-icon {
    background: linear-gradient(135deg, rgba(0, 200, 83, 0.1), rgba(105, 240, 174, 0.1));
    color: var(--color-success);
}

.policy-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-text);
}

.policy-tag {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.policy-tag span {
    padding: 4px 12px;
    background: rgba(26, 95, 180, 0.1);
    color: var(--color-primary);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
}

.policy-content p {
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 12px;
}

.policy-highlight {
    padding: 12px 16px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(255, 179, 0, 0.1));
    border-left: 4px solid var(--color-accent);
    border-radius: 0 8px 8px 0;
    color: var(--color-text) !important;
    font-weight: 500;
}

.policy-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.policy-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.policy-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    margin-top: 6px;
    flex-shrink: 0;
}

.policy-slogan {
    text-align: center;
    padding: 24px 0;
    background: linear-gradient(135deg, rgba(0, 200, 83, 0.08), rgba(105, 240, 174, 0.08));
    border-radius: 12px;
    margin: 20px 0;
}

.slogan-main {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: var(--color-success);
    margin-bottom: 8px;
}

.slogan-sub {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.policy-stats {
    display: flex;
    justify-content: space-around;
    margin-top: 24px;
}

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

.policy-stat .stat-num {
    font-size: 28px;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.policy-stat .stat-unit {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary);
}

.policy-stat .stat-label {
    display: block;
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

/* ========== 适用工种 ========== */
.jobs-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.jobs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 60px;
}

.job-category {
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    border: 1px solid rgba(26, 95, 180, 0.08);
    transition: var(--transition);
}

.job-category:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.job-cat-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid rgba(26, 95, 180, 0.1);
}

.job-cat-title svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.job-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.job-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px 16px;
    background: #fff;
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.job-item:hover {
    border-color: var(--color-primary-light);
    box-shadow: 0 4px 12px rgba(26, 95, 180, 0.1);
}

.job-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
}

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

.job-req {
    display: inline-block;
    width: fit-content;
    padding: 2px 8px;
    background: rgba(26, 95, 180, 0.1);
    color: var(--color-primary);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
}

.job-item:nth-child(3n) .job-req {
    background: rgba(255, 107, 53, 0.1);
    color: var(--color-accent);
}

.jobs-note {
    display: flex;
    gap: 20px;
    margin-top: 48px;
    padding: 24px 32px;
    background: linear-gradient(135deg, rgba(26, 95, 180, 0.05), rgba(79, 195, 247, 0.05));
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.note-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.note-content h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.note-content p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* 响应式 */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps-container {
        grid-template-columns: repeat(2, 1fr);
    }

    .step-line {
        display: none;
    }

    .certificate-wrapper {
        grid-template-columns: 1fr;
    }

    .certificate-preview {
        order: -1;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    /* 国家政策响应式 */
    .policy-grid {
        grid-template-columns: 1fr;
    }

    /* 适用工种响应式 */
    .jobs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-list {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .nav.open .nav-list {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        padding: 16px 24px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
    }

    .nav.open .nav-actions {
        display: none;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 40px 24px;
    }

    .hero-visual {
        order: -1;
        min-height: 360px;
    }

    .hero-carousel {
        max-width: 100%;
        height: 400px;
    }

    .face-scan-ring {
        width: 150px;
        height: 150px;
    }

    .face-scan-ring.ring-2 {
        width: 170px;
        height: 170px;
    }

    .shield-badge {
        left: -15px;
    }

    .shield-badge svg {
        width: 42px;
        height: 48px;
    }

    .key-badge {
        right: -25px;
    }

    .key-badge svg {
        width: 65px;
        height: 26px;
    }

    .data-flow {
        bottom: -30px;
        gap: 4px;
        padding: 6px 10px;
    }

    .flow-node {
        padding: 2px 4px;
    }

    .node-label {
        font-size: 9px;
    }

    /* 国家政策响应式 */
    .policy-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .policy-section {
        padding: 60px 0;
    }

    .policy-card {
        padding: 28px 24px;
    }

    /* 适用工种响应式 */
    .jobs-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .jobs-section {
        padding: 60px 0;
    }

    .job-category {
        padding: 24px 16px;
    }

    /* 其余响应式 */
    .hero-stats {
        gap: 20px;
    }

    .stat-num {
        font-size: 24px;
    }

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

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-wrapper {
        flex-direction: column;
        text-align: center;
    }

    .certificate-frame {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .btn-lg {
        padding: 12px 24px;
        font-size: 15px;
    }

    .hero-title {
        font-size: 32px;
    }

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

    .hero-desc {
        font-size: 15px;
    }

    .stat-big {
        font-size: 32px;
    }
}

/* 滚动动画 */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* 选择文字颜色 */
::selection {
    background: rgba(26, 95, 180, 0.2);
    color: var(--color-primary-dark);
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-light);
}

/* ========== 随机抓拍防替学 ========== */
.anti-proxy-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.anti-proxy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.proxy-card {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    padding: 24px;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.proxy-step {
    flex: 1;
    text-align: center;
}

.proxy-step-icon {
    font-size: 36px;
    margin-bottom: 8px;
}

.proxy-step h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
}

.proxy-step p {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.proxy-arrow {
    font-size: 24px;
    color: var(--color-primary);
    font-weight: 700;
}

.proxy-rules {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rule-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    background: #fff;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-warning);
    transition: var(--transition);
}

.rule-card:hover {
    transform: translateX(4px);
}

.rule-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.rule-content h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}

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

.rule-danger {
    border-left-color: var(--color-danger);
}

.rule-block {
    border-left-color: var(--color-primary);
}

/* 防替学示意面板 */
.proxy-demo {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.demo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--gradient-primary);
    color: #fff;
}

.demo-title {
    font-size: 14px;
    font-weight: 600;
}

.demo-status {
    font-size: 12px;
    color: #4fc3f7;
}

.demo-body {
    padding: 20px;
}

.demo-course {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.course-bar {
    width: 4px;
    height: 20px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.demo-course span {
    font-size: 14px;
    font-weight: 600;
}

.demo-shots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.shot-card {
    text-align: center;
    padding: 12px 8px;
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    border: 2px solid transparent;
}

.shot-card.shot-fail {
    border-color: rgba(192, 57, 43, 0.3);
    background: rgba(192, 57, 43, 0.05);
}

.shot-avatar {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, #1a5fb4, #4fc3f7);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.shot-avatar::after {
    content: '👤';
    font-size: 24px;
}

.shot-time {
    display: block;
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.shot-status {
    display: block;
    font-size: 11px;
    font-weight: 600;
}

.shot-status.ok {
    color: var(--color-success);
}

.shot-status.fail {
    color: var(--color-danger);
}

.demo-alert {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: rgba(192, 57, 43, 0.08);
    border: 1px solid rgba(192, 57, 43, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.alert-icon {
    font-size: 20px;
}

.alert-text strong {
    display: block;
    font-size: 13px;
    color: var(--color-danger);
    margin-bottom: 2px;
}

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

.demo-stat {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.demo-stat-item {
    text-align: center;
    padding: 12px 8px;
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
}

.demo-stat-num {
    display: block;
    font-size: 24px;
    font-weight: 800;
    color: var(--color-primary);
}

.demo-stat-unit {
    font-size: 14px;
    font-weight: 600;
}

.demo-stat-label {
    font-size: 12px;
    color: var(--color-text-secondary);
}

/* ========== 账号体系 ========== */
.account-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.account-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}

.account-step {
    position: relative;
    padding: 32px 28px;
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    transition: var(--transition);
    overflow: hidden;
}

.account-step:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.account-step-num {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 48px;
    font-weight: 900;
    color: var(--color-border);
}

.account-step-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 20px;
}

.account-step-icon svg {
    width: 32px;
    height: 32px;
}

.account-step h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.account-step > p {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

.account-tag {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.account-tag span {
    padding: 4px 12px;
    background: #fff;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary);
    border: 1px solid var(--color-border);
}

.account-fields {
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.fields-header {
    margin-bottom: 24px;
}

.fields-header h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.fields-header p {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.fields-table {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
}

.fields-row {
    display: grid;
    grid-template-columns: 120px 1fr 140px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--color-border-light);
    align-items: center;
}

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

.fields-head {
    background: var(--gradient-primary);
    color: #fff;
    font-weight: 600;
}

.fields-head span {
    font-size: 14px;
}

.fields-row:not(.fields-head) span:first-child {
    font-weight: 600;
    color: var(--color-text);
}

.fields-row span:nth-child(2) {
    color: var(--color-text-secondary);
    font-size: 14px;
}

.field-name {
    font-weight: 600;
    color: var(--color-text);
}

.field-type {
    font-size: 13px;
    font-weight: 600;
}

.field-type.manual {
    color: var(--color-text-secondary);
}

.field-type.auto {
    color: var(--color-accent);
}

.auto-row {
    background: rgba(255, 107, 53, 0.04);
}

/* ========== 一人一档详细展示 ========== */
.archive-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.archive-wrapper {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 32px;
}

.archive-sidebar {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 24px 0;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.sidebar-section {
    padding: 12px 20px;
    border-bottom: 1px solid var(--color-border-light);
}

.sidebar-section:last-child {
    border-bottom: none;
}

.sidebar-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-primary-light);
    display: inline-block;
}

.sidebar-section ul {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-section ul li {
    font-size: 13px;
    color: var(--color-text-secondary);
    padding: 3px 0;
}

.archive-main {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-sm);
}

.archive-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.archive-search {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    flex: 1;
    max-width: 480px;
}

.archive-search input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 14px;
    outline: none;
    color: var(--color-text);
}

.btn-query {
    padding: 6px 16px;
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-query:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.archive-actions {
    font-size: 13px;
    color: var(--color-text-light);
}

/* 档案个人信息 */
.archive-profile {
    display: flex;
    gap: 24px;
    padding: 24px;
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}

.profile-photo {
    flex-shrink: 0;
}

.photo-placeholder {
    width: 100px;
    height: 100px;
    background: #fff;
    border: 2px solid var(--color-primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.photo-placeholder svg {
    width: 60px;
    height: 60px;
}

.profile-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px 32px;
    flex: 1;
}

.info-row {
    display: flex;
    flex-direction: column;
}

.info-row span {
    font-size: 12px;
    color: var(--color-text-light);
}

.info-row strong {
    font-size: 14px;
    color: var(--color-text);
    font-weight: 600;
}

/* 档案表格 */
.archive-table {
    margin-bottom: 24px;
}

.table-header {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-text);
}

.table-scroll {
    overflow-x: auto;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
}

.archive-table table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

.archive-table thead {
    background: var(--gradient-primary);
    color: #fff;
}

.archive-table th {
    padding: 12px 14px;
    font-size: 13px;
    font-weight: 600;
    text-align: left;
    white-space: nowrap;
}

.archive-table td {
    padding: 12px 14px;
    font-size: 13px;
    border-bottom: 1px solid var(--color-border-light);
    white-space: nowrap;
}

.archive-table tbody tr:hover {
    background: var(--color-bg-light);
}

.archive-table tbody tr.exam-row {
    background: rgba(255, 107, 53, 0.04);
}

.archive-table tbody tr.exam-row:hover {
    background: rgba(255, 107, 53, 0.08);
}

.tag {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
}

.tag-course {
    background: rgba(26, 95, 180, 0.1);
    color: var(--color-primary);
}

.tag-exam {
    background: rgba(255, 107, 53, 0.1);
    color: var(--color-accent);
}

.photo-cell {
    display: flex;
    gap: 6px;
}

.mini-photo {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #1a5fb4, #4fc3f7);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.mini-photo::after {
    content: '👤';
    font-size: 14px;
}

.mini-photo:hover {
    transform: scale(1.1);
}

.table-stats {
    display: flex;
    gap: 24px;
    margin-top: 16px;
    font-size: 13px;
    color: var(--color-text-secondary);
}

.table-stats strong {
    color: var(--color-primary);
    font-size: 15px;
}

/* 证书卡片 */
.archive-cert {
    margin-bottom: 24px;
}

.cert-header-mini {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cert-card {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: linear-gradient(135deg, #fffef5 0%, #fff 100%);
    border: 1px solid #e8dcc8;
    border-radius: var(--radius-md);
    position: relative;
}

.cert-card::before {
    content: '';
    position: absolute;
    inset: 4px;
    border: 1px dashed #d4c4a0;
    border-radius: var(--radius-sm);
    pointer-events: none;
}

.cert-seal-mini {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
}

.cert-seal-mini svg {
    width: 100%;
    height: 100%;
}

.cert-info-mini h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
}

.cert-info-mini p {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.cert-status-mini {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    font-size: 12px;
    color: var(--color-success);
    font-weight: 600;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
}

.archive-footer {
    padding-top: 16px;
    border-top: 1px solid var(--color-border-light);
}

.download-hint {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--color-text-light);
}

/* 响应式 - 新增模块 */
@media (max-width: 1024px) {
    .anti-proxy-grid {
        grid-template-columns: 1fr;
    }

    .account-steps {
        grid-template-columns: 1fr;
    }

    .archive-wrapper {
        grid-template-columns: 1fr;
    }

    .archive-sidebar {
        position: static;
        display: flex;
        gap: 16px;
        padding: 16px;
    }

    .sidebar-section {
        flex: 1;
        padding: 8px 12px;
    }

    .profile-info {
        grid-template-columns: repeat(2, 1fr);
    }

    .fields-row {
        grid-template-columns: 100px 1fr 100px;
    }
}

@media (max-width: 768px) {
    .proxy-card {
        flex-direction: column;
        text-align: center;
    }

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

    .profile-info {
        grid-template-columns: 1fr;
    }

    .archive-profile {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .photo-cell {
        flex-direction: column;
        gap: 4px;
    }

    .mini-photo {
        width: 32px;
        height: 32px;
    }

    .archive-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .archive-search {
        max-width: 100%;
    }

    .demo-stat {
        grid-template-columns: 1fr;
    }

    .fields-row {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .fields-row.fields-head {
        display: none;
    }

    .sidebar-section {
        flex-direction: column;
    }
}