/* =====================================================
   万世科技 - 全站样式表
   ===================================================== */

/* ===== CSS变量 ===== */
:root {
    --c-primary: #0066ff;
    --c-primary-dark: #0052cc;
    --c-secondary: #00d4ff;
    --c-accent: #7c3aed;
    --c-dark: #0a0e27;
    --c-dark-2: #111535;
    --c-dark-3: #1a1f4e;
    --c-light: #f8fafc;
    --c-gray: #64748b;
    --c-gray-light: #e2e8f0;
    --c-success: #22c55e;
    --c-warning: #f59e0b;
    --c-danger: #ef4444;
    --c-white: #ffffff;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 40px rgba(0, 102, 255, 0.15);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
    --font: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
}

/* ===== Reset ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    color: #1e293b;
    background: var(--c-light);
    line-height: 1.7;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; font-family: inherit; }
input, textarea, select { font-family: inherit; outline: none; }

/* ===== 通用容器 ===== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header .label {
    display: inline-block; padding: 6px 18px; border-radius: 30px;
    background: rgba(0,102,255,0.1); color: var(--c-primary);
    font-size: 14px; font-weight: 600; margin-bottom: 16px;
}
.section-header h2 {
    font-size: 40px; font-weight: 800; color: var(--c-dark);
    margin-bottom: 16px; line-height: 1.3;
}
.section-header p {
    font-size: 17px; color: var(--c-gray); max-width: 640px; margin: 0 auto;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 32px; border-radius: var(--radius-sm);
    font-size: 16px; font-weight: 600; transition: var(--transition);
    border: 2px solid transparent; cursor: pointer;
}
.btn-primary {
    background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
    color: var(--c-white); box-shadow: 0 4px 20px rgba(0,102,255,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,102,255,0.45); }
.btn-outline {
    background: transparent; border-color: rgba(255,255,255,0.4); color: var(--c-white);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--c-white); }
.btn-dark { background: var(--c-dark); color: var(--c-white); }
.btn-dark:hover { background: var(--c-dark-3); transform: translateY(-2px); }
.btn-ghost {
    background: rgba(0,102,255,0.08); color: var(--c-primary); border-color: transparent;
}
.btn-ghost:hover { background: rgba(0,102,255,0.15); }

/* ===== 导航栏 ===== */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 16px 0; transition: var(--transition);
    background: transparent;
}
.navbar.scrolled {
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(20px); padding: 10px 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}
.nav-container {
    max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
    display: flex; align-items: center; gap: 10px;
    font-size: 24px; font-weight: 800; color: var(--c-white);
}
.logo-icon {
    font-size: 28px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.nav-menu { display: flex; align-items: center; gap: 8px; }
.nav-menu > li > a {
    padding: 8px 16px; color: rgba(255,255,255,0.85); font-size: 15px;
    font-weight: 500; border-radius: 8px; transition: var(--transition);
}
.nav-menu > li > a:hover, .nav-menu > li > a.active {
    color: var(--c-white); background: rgba(255,255,255,0.1);
}
.nav-auth { display: flex; gap: 10px; margin-left: 12px; }
.btn-nav {
    padding: 8px 22px; border-radius: 8px; font-size: 14px; font-weight: 600;
    transition: var(--transition); display: inline-flex; align-items: center; gap: 6px;
}
.btn-nav-outline { border: 1.5px solid rgba(255,255,255,0.3); color: var(--c-white); }
.btn-nav-outline:hover { border-color: var(--c-white); background: rgba(255,255,255,0.1); }
.btn-nav-primary {
    background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
    color: var(--c-white);
}
.btn-nav-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 15px rgba(0,102,255,0.4); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--c-white); transition: var(--transition); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== Hero ===== */
.hero {
    min-height: 100vh; display: flex; align-items: center;
    position: relative; overflow: hidden;
    background: linear-gradient(135deg, var(--c-dark) 0%, var(--c-dark-3) 100%);
}
.hero::before {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 20%, rgba(0,102,255,0.15), transparent),
        radial-gradient(ellipse 60% 50% at 80% 80%, rgba(124,58,237,0.15), transparent),
        radial-gradient(ellipse 50% 40% at 50% 50%, rgba(0,212,255,0.08), transparent);
}
.hero-particles { position: absolute; inset: 0; overflow: hidden; }
.hero-particle {
    position: absolute; width: 4px; height: 4px;
    background: rgba(0,212,255,0.5); border-radius: 50%;
    animation: floatParticle linear infinite;
}
@keyframes floatParticle {
    0% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}
.hero-grid-bg {
    position: absolute; inset: 0; opacity: 0.05;
    background-image:
        linear-gradient(rgba(0,212,255,0.5) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,212,255,0.5) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black, transparent);
}
.hero-content {
    position: relative; z-index: 2; max-width: var(--max-width);
    margin: 0 auto; padding: 0 24px; text-align: center;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 20px; border-radius: 30px;
    background: rgba(0,212,255,0.1); border: 1px solid rgba(0,212,255,0.3);
    color: var(--c-secondary); font-size: 14px; font-weight: 600;
    margin-bottom: 24px; animation: fadeUp 0.8s ease;
}
.hero-badge .dot {
    width: 8px; height: 8px; background: var(--c-secondary);
    border-radius: 50%; animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.5; }
}
.hero h1 {
    font-size: 64px; font-weight: 900; color: var(--c-white);
    line-height: 1.2; margin-bottom: 24px;
    animation: fadeUp 0.8s ease 0.1s both;
}
.hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--c-secondary), var(--c-primary), var(--c-accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero p {
    font-size: 20px; color: rgba(255,255,255,0.7); max-width: 600px;
    margin: 0 auto 40px; animation: fadeUp 0.8s ease 0.2s both;
}
.hero-buttons {
    display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
    animation: fadeUp 0.8s ease 0.3s both;
}
.hero-stats {
    display: flex; gap: 60px; justify-content: center; margin-top: 80px;
    animation: fadeUp 0.8s ease 0.4s both;
}
.hero-stat { text-align: center; }
.hero-stat .num {
    font-size: 42px; font-weight: 800;
    background: linear-gradient(135deg, var(--c-secondary), var(--c-primary));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-stat .label { color: rgba(255,255,255,0.6); font-size: 14px; }

/* 滚动指示器 */
.scroll-down {
    position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
    color: rgba(255,255,255,0.4); animation: bounce 2s infinite; z-index: 2;
}
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ===== 动画 ===== */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideLeft { from { opacity: 0; transform: translateX(-40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideRight { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }
@keyframes rotate { from { transform: rotate(0); } to { transform: rotate(360deg); } }

.reveal { opacity: 0; transform: translateY(40px); transition: 0.7s cubic-bezier(0.4,0,0.2,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== 服务卡片 ===== */
.services-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 24px;
}
.service-card {
    background: var(--c-white); border-radius: var(--radius); padding: 36px 28px;
    box-shadow: var(--shadow); transition: var(--transition);
    position: relative; overflow: hidden; border: 1px solid rgba(0,0,0,0.04);
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
    transform: scaleX(0); transform-origin: left; transition: var(--transition);
}
.service-card:hover {
    transform: translateY(-8px); box-shadow: var(--shadow-lg);
    border-color: rgba(0,102,255,0.15);
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
    width: 64px; height: 64px; border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 28px; color: var(--c-white); margin-bottom: 20px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    transition: var(--transition);
}
.service-card:hover .service-icon { transform: scale(1.1) rotate(-5deg); }
.service-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; color: var(--c-dark); }
.service-card .desc { font-size: 14px; color: var(--c-gray); margin-bottom: 16px; line-height: 1.6; }
.service-card .price-tag {
    display: flex; align-items: baseline; gap: 4px; margin-bottom: 16px;
}
.service-card .price-tag .currency { font-size: 16px; color: var(--c-primary); font-weight: 600; }
.service-card .price-tag .amount { font-size: 32px; font-weight: 800; color: var(--c-primary); }
.service-card .price-tag .unit { font-size: 14px; color: var(--c-gray); }
.service-card .service-btn {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--c-primary); font-size: 14px; font-weight: 600;
    transition: var(--transition);
}
.service-card .service-btn:hover { gap: 12px; }

/* 服务分类标签 */
.service-category-label {
    font-size: 14px; font-weight: 700; color: var(--c-accent);
    text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px;
    padding-bottom: 10px; border-bottom: 2px solid rgba(124,58,237,0.1);
}

/* ===== 特色区域 ===== */
.features-section { background: var(--c-white); }
.feature-row {
    display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
    align-items: center; margin-bottom: 80px;
}
.feature-row:last-child { margin-bottom: 0; }
.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }
.feature-text h3 {
    font-size: 32px; font-weight: 800; color: var(--c-dark); margin-bottom: 20px;
}
.feature-text p { font-size: 16px; color: var(--c-gray); margin-bottom: 24px; }
.feature-list { display: flex; flex-direction: column; gap: 16px; }
.feature-list li { display: flex; align-items: flex-start; gap: 12px; }
.feature-list .check {
    width: 24px; height: 24px; border-radius: 50%; flex-shrink: 0;
    background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
    color: var(--c-white); display: flex; align-items: center; justify-content: center;
    font-size: 12px; margin-top: 2px;
}
.feature-list .text { font-size: 15px; color: #475569; }
.feature-list .text strong { color: var(--c-dark); display: block; margin-bottom: 2px; }
.feature-visual {
    position: relative; border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.feature-visual img { width: 100%; height: 400px; object-fit: cover; }

/* ===== 案例 ===== */
.cases-section { background: var(--c-light); }
.cases-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 28px;
}
.case-card {
    background: var(--c-white); border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow); transition: var(--transition); cursor: pointer;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-cover {
    height: 200px; position: relative; overflow: hidden;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    display: flex; align-items: center; justify-content: center;
}
.case-cover .case-icon { font-size: 60px; color: rgba(255,255,255,0.3); }
.case-cover::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(0,102,255,0.8), rgba(124,58,237,0.8));
    opacity: 0; transition: var(--transition);
}
.case-card:hover .case-cover::after { opacity: 1; }
.case-body { padding: 28px; }
.case-body .category {
    display: inline-block; padding: 4px 12px; border-radius: 20px;
    background: rgba(0,102,255,0.1); color: var(--c-primary);
    font-size: 12px; font-weight: 600; margin-bottom: 12px;
}
.case-body h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; color: var(--c-dark); }
.case-body p { font-size: 14px; color: var(--c-gray); margin-bottom: 16px; line-height: 1.6; }
.case-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.case-tag {
    padding: 4px 10px; border-radius: 6px; font-size: 12px;
    background: #f1f5f9; color: var(--c-gray);
}

/* ===== 解决方案 ===== */
.solutions-section { background: var(--c-white); }
.solutions-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
}
.solution-card {
    background: var(--c-white); border-radius: var(--radius); padding: 40px 32px;
    box-shadow: var(--shadow); transition: var(--transition);
    border: 2px solid transparent; position: relative; overflow: hidden;
}
.solution-card::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 0;
    background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
    transition: var(--transition); z-index: 0;
}
.solution-card:hover {
    border-color: rgba(0,102,255,0.2); transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.solution-card > * { position: relative; z-index: 1; }
.solution-icon {
    width: 72px; height: 72px; border-radius: 20px;
    display: flex; align-items: center; justify-content: center;
    font-size: 32px; color: var(--c-white); margin-bottom: 24px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
}
.solution-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 12px; color: var(--c-dark); }
.solution-card .industry {
    display: inline-block; padding: 4px 12px; border-radius: 20px;
    background: rgba(124,58,237,0.1); color: var(--c-accent);
    font-size: 12px; font-weight: 600; margin-bottom: 16px;
}
.solution-card p { font-size: 15px; color: var(--c-gray); line-height: 1.7; }

/* ===== CTA区域 ===== */
.cta-section {
    background: linear-gradient(135deg, var(--c-dark), var(--c-dark-3));
    padding: 80px 0; text-align: center; position: relative; overflow: hidden;
}
.cta-section::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(0,102,255,0.15), transparent);
}
.cta-content { position: relative; z-index: 1; }
.cta-content h2 { font-size: 36px; font-weight: 800; color: var(--c-white); margin-bottom: 16px; }
.cta-content p { font-size: 17px; color: rgba(255,255,255,0.7); margin-bottom: 32px; }

/* ===== 底部 ===== */
.footer {
    background: var(--c-dark); color: rgba(255,255,255,0.7);
    padding: 64px 0 24px;
}
.footer-container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px;
    margin-bottom: 48px;
}
.footer-logo {
    display: flex; align-items: center; gap: 10px;
    font-size: 22px; font-weight: 800; color: var(--c-white); margin-bottom: 16px;
}
.footer-logo i {
    background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.footer-desc { font-size: 14px; line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
    width: 40px; height: 40px; border-radius: 10px;
    background: rgba(255,255,255,0.08); display: flex;
    align-items: center; justify-content: center; transition: var(--transition);
}
.footer-social a:hover { background: var(--c-primary); color: var(--c-white); transform: translateY(-3px); }
.footer-col h4 {
    font-size: 16px; font-weight: 700; color: var(--c-white);
    margin-bottom: 20px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--c-secondary); padding-left: 4px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; margin-bottom: 12px; }
.footer-contact li i { color: var(--c-secondary); width: 20px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px;
    text-align: center; font-size: 13px;
}
.footer-bottom p { margin-bottom: 6px; }
.footer-icp { color: rgba(255,255,255,0.5); transition: var(--transition); }
.footer-icp:hover { color: var(--c-secondary); }

/* ===== 表单页面 ===== */
.auth-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--c-dark) 0%, var(--c-dark-3) 100%);
    padding: 100px 20px 40px; position: relative; overflow: hidden;
}
.auth-page::before {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 60% 40% at 20% 30%, rgba(0,102,255,0.15), transparent),
        radial-gradient(ellipse 50% 40% at 80% 70%, rgba(124,58,237,0.15), transparent);
}
.auth-card {
    background: var(--c-white); border-radius: 24px; padding: 48px;
    width: 100%; max-width: 460px; position: relative; z-index: 1;
    box-shadow: 0 24px 80px rgba(0,0,0,0.3);
    animation: scaleIn 0.5s ease;
}
.auth-card.wide { max-width: 560px; }
.auth-logo {
    text-align: center; margin-bottom: 32px;
}
.auth-logo i {
    font-size: 48px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.auth-logo h2 { font-size: 24px; font-weight: 800; color: var(--c-dark); margin-top: 8px; }
.auth-logo p { font-size: 14px; color: var(--c-gray); margin-top: 4px; }
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block; font-size: 14px; font-weight: 600;
    color: #334155; margin-bottom: 8px;
}
.form-group .input-wrap { position: relative; }
.form-group .input-wrap i {
    position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
    color: var(--c-gray); font-size: 16px;
}
.form-control {
    width: 100%; padding: 14px 16px 14px 44px; border: 2px solid var(--c-gray-light);
    border-radius: var(--radius-sm); font-size: 15px; transition: var(--transition);
    background: #f8fafc;
}
.form-control:focus { border-color: var(--c-primary); background: var(--c-white); }
textarea.form-control { padding-left: 16px; resize: vertical; min-height: 100px; }
select.form-control { padding-left: 16px; cursor: pointer; }
.form-control.error { border-color: var(--c-danger); }
.form-hint { font-size: 12px; color: var(--c-danger); margin-top: 4px; display: none; }
.form-hint.show { display: block; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.btn-block { width: 100%; justify-content: center; }
.auth-footer { text-align: center; margin-top: 24px; font-size: 14px; color: var(--c-gray); }
.auth-footer a { color: var(--c-primary); font-weight: 600; }
.auth-alert {
    padding: 12px 16px; border-radius: var(--radius-sm); font-size: 14px;
    margin-bottom: 20px; display: flex; align-items: center; gap: 10px;
}
.auth-alert.success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.auth-alert.error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.auth-alert.info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

/* ===== 用户面板 ===== */
.dashboard-page { padding: 100px 0 60px; min-height: 100vh; background: #f1f5f9; }
.dashboard-header {
    background: var(--c-white); border-radius: var(--radius);
    padding: 28px 32px; margin-bottom: 24px; box-shadow: var(--shadow);
    display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.dashboard-header h1 { font-size: 26px; font-weight: 800; color: var(--c-dark); }
.dashboard-header .user-info { display: flex; align-items: center; gap: 12px; }
.dashboard-header .user-avatar {
    width: 48px; height: 48px; border-radius: 50%;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    color: var(--c-white); display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 700;
}
.dashboard-tabs {
    display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap;
}
.dashboard-tab {
    padding: 10px 24px; border-radius: var(--radius-sm); font-size: 15px;
    font-weight: 600; color: var(--c-gray); background: var(--c-white);
    box-shadow: var(--shadow); transition: var(--transition); cursor: pointer;
}
.dashboard-tab.active, .dashboard-tab:hover {
    background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
    color: var(--c-white);
}
.dashboard-card {
    background: var(--c-white); border-radius: var(--radius);
    padding: 32px; box-shadow: var(--shadow); margin-bottom: 24px;
}

/* ===== 表格 ===== */
.data-table-wrap { overflow-x: auto; }
.data-table {
    width: 100%; border-collapse: collapse; font-size: 14px;
}
.data-table th {
    text-align: left; padding: 14px 16px; background: #f8fafc;
    font-weight: 700; color: #334155; border-bottom: 2px solid var(--c-gray-light);
    white-space: nowrap;
}
.data-table td {
    padding: 14px 16px; border-bottom: 1px solid #f1f5f9; color: #475569;
}
.data-table tr:hover td { background: #f8fafc; }
.data-table .status-badge {
    display: inline-block; padding: 4px 12px; border-radius: 20px;
    font-size: 12px; font-weight: 600;
}
.price-cell { font-weight: 700; color: var(--c-primary); }
.order-no { font-family: 'Courier New', monospace; font-weight: 600; color: var(--c-dark); }

/* ===== 空状态 ===== */
.empty-state {
    text-align: center; padding: 60px 20px; color: var(--c-gray);
}
.empty-state i { font-size: 64px; color: var(--c-gray-light); margin-bottom: 16px; }
.empty-state h3 { font-size: 20px; color: #475569; margin-bottom: 8px; }
.empty-state p { font-size: 14px; }

/* ===== 后台管理 ===== */
.admin-body { background: #f0f2f5; }
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
    width: 260px; background: var(--c-dark); color: rgba(255,255,255,0.7);
    position: fixed; top: 0; left: 0; bottom: 0; z-index: 100;
    display: flex; flex-direction: column; transition: var(--transition);
}
.admin-sidebar-header {
    padding: 24px 20px; border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex; align-items: center; gap: 10px;
}
.admin-sidebar-header i { font-size: 28px; color: var(--c-secondary); }
.admin-sidebar-header span { font-size: 20px; font-weight: 800; color: var(--c-white); }
.admin-menu { flex: 1; padding: 16px 0; overflow-y: auto; }
.admin-menu-item {
    display: flex; align-items: center; gap: 12px; padding: 14px 24px;
    color: rgba(255,255,255,0.7); font-size: 15px; transition: var(--transition);
    border-left: 3px solid transparent;
}
.admin-menu-item:hover { background: rgba(255,255,255,0.05); color: var(--c-white); }
.admin-menu-item.active {
    background: rgba(0,102,255,0.15); color: var(--c-white);
    border-left-color: var(--c-secondary);
}
.admin-menu-item i { width: 20px; text-align: center; }
.admin-sidebar-footer { padding: 16px 20px; border-top: 1px solid rgba(255,255,255,0.1); }
.admin-sidebar-footer a {
    display: flex; align-items: center; gap: 8px;
    padding: 10px; border-radius: 8px; font-size: 14px;
    color: rgba(255,255,255,0.6); transition: var(--transition);
}
.admin-sidebar-footer a:hover { background: rgba(239,68,68,0.1); color: var(--c-danger); }

.admin-main { flex: 1; margin-left: 260px; padding: 0; }
.admin-topbar {
    background: var(--c-white); padding: 16px 32px; box-shadow: var(--shadow);
    display: flex; align-items: center; justify-content: space-between;
    position: sticky; top: 0; z-index: 50;
}
.admin-topbar h1 { font-size: 22px; font-weight: 700; color: var(--c-dark); }
.admin-topbar .admin-user { display: flex; align-items: center; gap: 12px; }
.admin-topbar .admin-user .avatar {
    width: 40px; height: 40px; border-radius: 50%;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    color: var(--c-white); display: flex; align-items: center; justify-content: center;
    font-weight: 700;
}
.admin-content { padding: 32px; }

/* 统计卡片 */
.stat-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 24px; margin-bottom: 32px;
}
.stat-card {
    background: var(--c-white); border-radius: var(--radius); padding: 28px;
    box-shadow: var(--shadow); display: flex; align-items: center; gap: 20px;
    transition: var(--transition);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.stat-icon {
    width: 60px; height: 60px; border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 26px; color: var(--c-white); flex-shrink: 0;
}
.stat-icon.blue { background: linear-gradient(135deg, #3b82f6, #06b6d4); }
.stat-icon.green { background: linear-gradient(135deg, #22c55e, #16a34a); }
.stat-icon.purple { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.stat-icon.orange { background: linear-gradient(135deg, #f59e0b, #f97316); }
.stat-info .num { font-size: 32px; font-weight: 800; color: var(--c-dark); }
.stat-info .label { font-size: 14px; color: var(--c-gray); }

/* 后台卡片 */
.admin-card {
    background: var(--c-white); border-radius: var(--radius);
    padding: 28px; box-shadow: var(--shadow); margin-bottom: 24px;
}
.admin-card-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 20px;
}
.admin-card-header h2 { font-size: 18px; font-weight: 700; color: var(--c-dark); }

/* 后台登录页 */
.admin-login-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--c-dark), var(--c-dark-3));
}

/* ===== Toast提示 ===== */
.toast {
    position: fixed; top: 90px; right: 24px; z-index: 9999;
    padding: 16px 24px; border-radius: var(--radius-sm);
    background: var(--c-white); box-shadow: var(--shadow-lg);
    display: flex; align-items: center; gap: 12px;
    transform: translateX(400px); transition: transform 0.4s ease;
    max-width: 360px;
}
.toast.show { transform: translateX(0); }
.toast.success { border-left: 4px solid var(--c-success); }
.toast.error { border-left: 4px solid var(--c-danger); }
.toast i { font-size: 20px; }
.toast.success i { color: var(--c-success); }
.toast.error i { color: var(--c-danger); }

/* ===== 分页 ===== */
.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 24px; }
.pagination a {
    padding: 8px 14px; border-radius: 8px; font-size: 14px;
    background: var(--c-white); border: 1px solid var(--c-gray-light);
    transition: var(--transition);
}
.pagination a:hover, .pagination a.active {
    background: var(--c-primary); color: var(--c-white); border-color: var(--c-primary);
}

/* ===== 响应式 ===== */
@media (max-width: 968px) {
    .nav-toggle { display: flex; }
    .nav-menu {
        position: fixed; top: 64px; left: 0; right: 0; flex-direction: column;
        background: rgba(10,14,39,0.98); backdrop-filter: blur(20px);
        padding: 24px; gap: 4px; transform: translateY(-200%);
        transition: var(--transition); align-items: stretch;
    }
    .nav-menu.open { transform: translateY(0); }
    .nav-menu > li > a { padding: 14px 16px; }
    .nav-auth { flex-direction: column; margin-left: 0; margin-top: 12px; }
    .hero h1 { font-size: 40px; }
    .hero p { font-size: 16px; }
    .hero-stats { gap: 30px; flex-wrap: wrap; }
    .section { padding: 60px 0; }
    .section-header h2 { font-size: 30px; }
    .feature-row { grid-template-columns: 1fr; gap: 40px; }
    .feature-row.reverse { direction: ltr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .admin-sidebar { transform: translateX(-100%); }
    .admin-sidebar.open { transform: translateX(0); }
    .admin-main { margin-left: 0; }
    .form-row { grid-template-columns: 1fr; }
    .auth-card { padding: 32px 24px; }
}
@media (max-width: 640px) {
    .hero h1 { font-size: 32px; }
    .hero-stats { gap: 20px; }
    .hero-stat .num { font-size: 30px; }
    .footer-grid { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: 1fr; }
    .admin-content { padding: 16px; }
    .cases-grid, .solutions-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
}

/* ===== 派单时间线 ===== */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
    content: ''; position: absolute; left: 10px; top: 0; bottom: 0;
    width: 2px; background: var(--c-gray-light);
}
.timeline-item { position: relative; padding-bottom: 28px; }
.timeline-item::before {
    content: ''; position: absolute; left: -28px; top: 4px;
    width: 14px; height: 14px; border-radius: 50%;
    background: var(--c-primary); border: 3px solid var(--c-white);
    box-shadow: 0 0 0 2px var(--c-primary);
}
.timeline-item.done::before { background: var(--c-success); box-shadow: 0 0 0 2px var(--c-success); }
.timeline-item .time { font-size: 12px; color: var(--c-gray); }
.timeline-item .title { font-size: 15px; font-weight: 600; color: var(--c-dark); margin: 4px 0; }
.timeline-item .desc { font-size: 13px; color: var(--c-gray); }

/* ===== 浮动球装饰 ===== */
.floating-orb {
    position: absolute; border-radius: 50%;
    filter: blur(40px); opacity: 0.4; animation: floatOrb 8s ease-in-out infinite;
}
@keyframes floatOrb {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -30px) scale(1.1); }
}