@charset "UTF-8";

/* ============================================
   变量定义 - 白色简约专业风格
   ============================================ */
:root {
    --color-primary: #1a1a2e;
    --color-accent: #2563eb;
    --color-accent-hover: #1d4ed8;
    --color-text: #1f2937;
    --color-text-secondary: #6b7280;
    --color-text-light: #9ca3af;
    --color-bg: #ffffff;
    --color-bg-alt: #f9fafb;
    --color-border: #e5e7eb;
    --font-serif: 'Noto Serif SC', Georgia, serif;
    --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
    --shadow-xl: 0 24px 60px rgba(0,0,0,0.1);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-pill: 9999px;
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

ul, ol {
    list-style: none;
}

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

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

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

@media (min-width: 640px) {
    .container {
        padding: 0 32px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 48px;
    }
}

/* ============================================
   按钮组件
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 10px 24px;
    border-radius: var(--radius-pill);
    transition: all var(--transition-base);
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #fff;
    border: none;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(37, 99, 235, 0.45);
}

.btn-ghost {
    background: #fff;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.btn-ghost:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.btn-light {
    background: #fff;
    color: var(--color-primary);
    border: none;
    box-shadow: 0 4px 14px rgba(0,0,0,0.1);
}

.btn-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0,0,0,0.15);
}

.btn-outline-light {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.btn-outline-light:hover {
    background: var(--color-bg-alt);
    border-color: var(--color-text-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

/* ============================================
   导航栏
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition-base);
    border-bottom: 1px solid transparent;
}

body.menu-open .navbar {
    z-index: 998;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(1.8);
    -webkit-backdrop-filter: blur(20px) saturate(1.8);
    border-bottom-color: var(--color-border);
    padding: 12px 0;
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-img {
    width: 130px;
    height: 35px;
    background: url("/static/img/logo.png") left center no-repeat;
    background-size: contain;
}

.nav-links {
    display: none;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    padding: 4px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
    border-radius: 1px;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-actions {
    display: none;
    align-items: center;
    gap: 12px;
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
    transform-origin: center;
}

.hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 768px) {
    .nav-links,
    .nav-actions {
        display: flex;
    }
    .hamburger {
        display: none;
    }
}

/* ============================================
   移动端菜单 - 现代化设计
   ============================================ */
.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 300px;
    height: 100vh;
    background: #fff;
    z-index: 1001;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    box-shadow: -8px 0 40px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.mobile-menu.show {
    transform: translateX(0);
}

/* 菜单头部 */
.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
    gap: 12px;
}

.mobile-menu-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
}

.mobile-menu-brand img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
}

.mobile-menu-brand span {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mobile-menu-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: #94a3b8;
    transition: all var(--transition-fast);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
}

.mobile-menu-close:hover {
    background: #f1f5f9;
    color: #475569;
}

.mobile-menu-close svg {
    width: 18px;
    height: 18px;
    display: block;
}

/* 菜单主体 */
.mobile-menu-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 16px 24px;
}

.mobile-menu-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mobile-menu-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border-radius: 12px;
    color: var(--color-text);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.mobile-menu-item:hover {
    background: var(--color-bg-alt);
    color: var(--color-accent);
}

.mobile-menu-item.active {
    background: rgba(37, 99, 235, 0.08);
    color: var(--color-accent);
}

.menu-item-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
    border-radius: 10px;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.mobile-menu-item:hover .menu-item-icon,
.mobile-menu-item.active .menu-item-icon {
    background: rgba(37, 99, 235, 0.12);
}

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

.menu-item-text {
    flex: 1;
}

/* 分隔线 */
.mobile-menu-divider {
    height: 1px;
    background: var(--color-border);
    margin: 20px 0;
}

/* 操作按钮区 */
.mobile-menu-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 0 4px;
}

.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 20px;
    border-radius: 12px;
    font-size: 0.9375rem;
    font-weight: 600;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

.mobile-menu-btn-primary {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #fff;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.mobile-menu-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.mobile-menu-btn-outline {
    background: #fff;
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
}

.mobile-menu-btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: rgba(37, 99, 235, 0.04);
}

/* 菜单底部 */
.mobile-menu-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--color-border);
    text-align: center;
    flex-shrink: 0;
}

.mobile-menu-footer p {
    font-size: 0.75rem;
    color: var(--color-text-light);
    letter-spacing: 0.5px;
}

/* 遮罩层 */
.menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(6px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.menu-overlay.show {
    opacity: 1;
    visibility: visible;
}

body.menu-open {
    overflow: hidden;
}

/* ============================================
   Hero 区域 - 白色简约风格
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
    background: #ffffff;
}

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

.deco-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(37, 99, 235, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.deco-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.15), transparent);
}

.deco-line-1 {
    width: 60%;
    top: 30%;
    right: 0;
    animation: lineMove 8s ease-in-out infinite;
}

.deco-line-2 {
    width: 40%;
    top: 60%;
    left: 0;
    animation: lineMove 10s ease-in-out infinite 2s;
}

@keyframes lineMove {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-accent);
    background: rgba(37, 99, 235, 0.08);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-desc {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 520px;
}

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

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 420px;
}

/* 仪表盘面板 */
.dashboard-panel {
    position: relative;
    width: 100%;
    max-width: 440px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.08);
    border: 1px solid var(--color-border);
    padding: 28px;
    animation: panelFloat 6s ease-in-out infinite;
}

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

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

.dash-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
}

.dash-title svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
}

.dash-period {
    display: flex;
    gap: 4px;
    background: var(--color-bg-alt);
    border-radius: 8px;
    padding: 3px;
}

.dash-period span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: 5px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dash-period span:hover {
    color: var(--color-primary);
}

.period-active {
    background: #fff;
    color: var(--color-primary) !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

/* 图表 */
.dash-chart {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    height: 160px;
}

.chart-y {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 8px 0;
}

.chart-y span {
    font-size: 0.6875rem;
    color: var(--color-text-light);
    text-align: right;
}

.chart-bars {
    flex: 1;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border);
    position: relative;
}

.chart-bars::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 25%;
    height: 1px;
    background: var(--color-border);
    opacity: 0.5;
}

.chart-bars::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 1px;
    background: var(--color-border);
    opacity: 0.5;
}

.c-bar {
    flex: 1;
    background: linear-gradient(180deg, #e0e7ff 0%, #c7d2fe 100%);
    border-radius: 6px 6px 0 0;
    position: relative;
    transition: all var(--transition-base);
    min-width: 28px;
}

.c-bar:hover {
    background: linear-gradient(180deg, #c7d2fe 0%, #a5b4fc 100%);
}

.c-bar-active {
    background: linear-gradient(180deg, #2563eb 0%, #1d4ed8 100%) !important;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.c-bar span {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.625rem;
    color: var(--color-text-light);
    white-space: nowrap;
}

/* 指标 */
.dash-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.d-metric {
    text-align: center;
    padding: 16px 8px;
    background: var(--color-bg-alt);
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.d-label {
    display: block;
    font-size: 0.6875rem;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.d-value {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-serif);
    margin-bottom: 4px;
    white-space: nowrap;
}

.d-trend {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
}

.d-up {
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

/* 仪表盘内特性标签 */
.dash-features {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.dash-f-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.dash-f-item svg {
    width: 18px;
    height: 18px;
    color: var(--color-accent);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.5rem;
    }
    .hero-desc {
        font-size: 1.125rem;
    }
    .dashboard-panel {
        padding: 32px;
    }
    .dash-chart {
        height: 180px;
    }
    .d-value {
        font-size: 1.125rem;
    }
    .dash-features {
        gap: 32px;
    }
    .dash-f-item {
        font-size: 0.875rem;
    }
    .dash-f-item svg {
        width: 20px;
        height: 20px;
    }
}

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr 1fr;
        gap: 64px;
    }
    .hero-title {
        font-size: 4rem;
    }
    .hero-visual {
        min-height: 420px;
    }
    .dashboard-panel {
        max-width: 480px;
    }
}

/* ============================================
   区块标题
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    background: rgba(37, 99, 235, 0.08);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.section-desc {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    max-width: 480px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
}

/* ============================================
   服务特色
   ============================================ */
.features {
    padding: 100px 0;
    background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.feature-card {
    padding: 36px 28px;
    background: #fff;
    border-radius: 20px;
    border: 1px solid var(--color-border);
    transition: all var(--transition-slow);
    text-align: left;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.06);
    border-color: var(--color-border);
}

.feature-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border-radius: 14px;
    margin-bottom: 20px;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: #fff;
}

.feature-card h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }
    .feature-card {
        padding: 40px 32px;
    }
}

/* ============================================
   数据统计
   ============================================ */
.stats {
    padding: 100px 0;
    background: #fff;
    position: relative;
    overflow: hidden;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 32px 20px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--color-border);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.06);
    border-color: rgba(37, 99, 235, 0.15);
}

.stat-icon-wrap {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border-radius: 12px;
    margin: 0 auto 16px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.stat-icon-wrap svg {
    width: 22px;
    height: 22px;
    color: #fff;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    display: inline;
}

.stat-unit {
    display: inline;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-left: 2px;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-top: 8px;
}

@media (min-width: 640px) {
    .stat-number {
        font-size: 2.75rem;
    }
    .stat-unit {
        font-size: 1.5rem;
    }
}

@media (min-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    .stat-item {
        padding: 40px 24px;
    }
    .stat-number {
        font-size: 3rem;
    }
    .stat-unit {
        font-size: 1.75rem;
    }
}

/* ============================================
   CTA 区域
   ============================================ */
.cta {
    padding: 100px 0;
    background: #fff;
    position: relative;
    overflow: hidden;
    border-top: 1px solid var(--color-border);
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(37, 99, 235, 0.08);
    border-radius: 50px;
    margin-bottom: 24px;
}

.cta-badge svg {
    width: 18px;
    height: 18px;
    color: var(--color-accent);
}

.cta-badge span {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
}

.cta-content h2 {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    margin-bottom: 36px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
}

.cta-actions .btn-primary svg {
    width: 18px;
    height: 18px;
}

.cta-trust {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.trust-item svg {
    width: 20px;
    height: 20px;
    color: #10b981;
}

@media (min-width: 768px) {
    .cta-content h2 {
        font-size: 3rem;
    }
}

/* ============================================
   联系弹窗
   ============================================ */
.contact-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.contact-modal.show {
    opacity: 1;
    visibility: visible;
}

.contact-modal-inner {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 420px;
    width: 90%;
    position: relative;
    z-index: 2001;
    transform: translateY(20px) scale(0.95);
    transition: transform var(--transition-slow);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
}

.contact-modal.show .contact-modal-inner {
    transform: translateY(0) scale(1);
}

.contact-modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 1.75rem;
    color: var(--color-text-light);
    line-height: 1;
    transition: color var(--transition-fast);
}

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

.contact-modal-inner h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 24px;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
    border: 1px solid var(--color-border);
}

.contact-item:hover {
    background: #f3f4f6;
}

.contact-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    min-width: 48px;
}

.contact-item a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-accent);
    word-break: break-all;
}

.contact-item a:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
}

.contact-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
    z-index: 2000;
}

/* ============================================
   页脚
   ============================================ */
.footer {
    background: #fff;
    padding: 80px 0 0;
    color: var(--color-text-secondary);
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    padding-bottom: 48px;
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.footer-col h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

@media (min-width: 640px) {
    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 300px 1fr;
        gap: 80px;
    }
    .footer-links {
        grid-template-columns: repeat(4, 1fr);
        gap: 48px;
    }
}

/* ============================================
   滚动动画
   ============================================ */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-load {
    opacity: 0;
    transform: translateY(24px);
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-on-load:nth-child(1) { animation-delay: 0.1s; }
.animate-on-load:nth-child(2) { animation-delay: 0.25s; }
.animate-on-load:nth-child(3) { animation-delay: 0.4s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 错开动画延迟 */
.scroll-reveal:nth-child(1) { transition-delay: 0s; }
.scroll-reveal:nth-child(2) { transition-delay: 0.1s; }
.scroll-reveal:nth-child(3) { transition-delay: 0.2s; }
.scroll-reveal:nth-child(4) { transition-delay: 0.3s; }

/* ============================================
   减少动画偏好
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .scroll-reveal {
        opacity: 1;
        transform: none;
    }
    .animate-on-load {
        opacity: 1;
        transform: none;
        animation: none;
    }
}