/* ================================================================
   main.css — 前台主题样式
   ================================================================ */

/* ── CSS Variables ── */
:root {
    /* Main Background Colors - Dark Theme (Default) */
    --bg-primary: #101A2F;
    --bg-secondary: #0D1425;
    --bg-tertiary: #001E3A;
    --bg-card: rgba(0, 40, 70, 0.8);
    --bg-card-hover: rgba(0, 50, 80, 0.9);
    --bg-input: rgba(0, 40, 70, 0.8);
    --bg-base: #0A0F1A;

    /* Neon Green Brand Color */
    --neon-green: #00F0B5;
    --neon-green-light: #10d0a0;
    --neon-green-dark: #00C495;
    --neon-glow: rgba(0, 240, 181, 0.4);
    --neon-glow-strong: rgba(0, 240, 181, 0.6);

    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #B8C5D6;
    --text-tertiary: #7A8BA3;
    --text-muted: #5A6B82;

    /* Accent Colors */
    --accent-blue: #00D4FF;
    --accent-purple: #8B5CF6;
    --accent-cyan: #22D3EE;
    --accent-red: #F87171;
    --accent-gradient: linear-gradient(135deg, #00F0B5 0%, #00D4FF 100%);
    
    /* Button Gradient - Unified */
    --btn-gradient: linear-gradient(135deg, var(--neon-green) 0%, #00D4A8 50%, var(--neon-green-dark) 100%);
    --btn-gradient-hover: linear-gradient(135deg, var(--neon-green-light) 0%, var(--neon-green) 50%, #00D4A8 100%);
    --btn-text: var(--bg-secondary);

    /* Borders */
    --border-color: rgba(0, 240, 181, 0.15);
    --border-color-hover: rgba(0, 240, 181, 0.3);
    --border-light: rgba(255, 255, 255, 0.3);
    --border-light-hover: rgba(255, 255, 255, 0.5);
    --border-glow: 0 0 20px rgba(0, 240, 181, 0.2);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-nav: 0 2px 10px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(0, 240, 181, 0.15);
    --shadow-glow-lg: 0 0 60px rgba(0, 240, 181, 0.25);

    /* Glass Effect */
    --glass-bg: rgba(0, 40, 70, 0.6);
    --glass-border: rgba(0, 240, 181, 0.2);
    --glass-blur: 10px;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;

    /* Typography */
    --font-display: 'Inter', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'SF Mono', Monaco, monospace;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --leading-normal: 1.6;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-popover: 500;
}

/* ── Light Theme Variables ── */
[data-theme="light"] {
    /* Background Colors */
    --bg-primary: #F1F5F9;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #E2E8F0;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-card-hover: rgba(255, 255, 255, 1);
    --bg-input: rgba(241, 245, 249, 0.8);
    --bg-base: #F8FAFC;

    /* Darker Green for Light Theme */
    --neon-green: #059669;
    --neon-green-light: #10B981;
    --neon-green-dark: #047857;
    --neon-glow: rgba(5, 150, 105, 0.3);
    --neon-glow-strong: rgba(5, 150, 105, 0.5);

    /* Text Colors - Dark for Light Theme */
    --text-primary: #0F172A;
    --text-secondary: #334155;
    --text-tertiary: #64748B;
    --text-muted: #94A3B8;

    /* Accent Colors - Darker */
    --accent-blue: #0284C7;
    --accent-purple: #7C3AED;
    --accent-cyan: #0891B2;
    --accent-red: #DC2626;
    --accent-gradient: linear-gradient(135deg, #059669 0%, #0284C7 100%);

    /* Button - Light Theme: Glassmorphism */
    --btn-gradient: rgba(255, 255, 255, 0.7);
    --btn-gradient-hover: rgba(5, 150, 105, 0.2);
    --btn-text: #059669;
    --btn-border: rgba(5, 150, 105, 0.4);

    /* Borders */
    --border-color: rgba(5, 150, 105, 0.2);
    --border-color-hover: rgba(5, 150, 105, 0.4);
    --border-light: rgba(15, 23, 42, 0.1);
    --border-light-hover: rgba(15, 23, 42, 0.2);
    --border-glow: 0 0 20px rgba(5, 150, 105, 0.15);

    /* Shadows - Lighter */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --shadow-nav: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 40px rgba(5, 150, 105, 0.1);
    --shadow-glow-lg: 0 0 60px rgba(5, 150, 105, 0.15);

    /* Glass Effect for Light Theme */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(5, 150, 105, 0.25);
}

/* ── 移动端菜单展开/收起动画 ── */
#mobile-menu {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s ease;
    opacity: 0;
    background: var(--bg-secondary);
}
#mobile-menu.menu-open {
    max-height: 600px;
    opacity: 1;
}

/* ── Custom base styles ── */
html {
    overflow-x: hidden;
}
body {
    display: grid;
    grid-template-rows: auto 1fr auto;
    min-height: 100vh;
    background-color: var(--bg-primary);
    overflow-x: hidden;
}
main {
    opacity: 0;
    animation: fadeIn 0.4s ease-out forwards;
    min-width: 0; /* 防止 grid 子项撑宽 */
    padding-top: 80px; /* 为固定导航栏留出空间 */
}

/* 首页有全屏 Banner，不需要顶部 padding */
body.has-hero-banner main {
    padding-top: 0;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* 针对文章内富文本图片的响应式处理 */
.prose img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* CRM abstract background patterns */
.bg-grid-pattern {
    background-image: linear-gradient(to right, var(--border-color) 1px, transparent 1px),
                      linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* ── 所有页面：header 固定在顶部 ── */
header {
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: transparent !important;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}
header.scrolled {
    background: var(--bg-secondary) !important;
    box-shadow: var(--shadow-nav) !important;
}

/* 移动端展开菜单保持深色背景 */
header #mobile-menu {
    background: var(--bg-secondary) !important;
}

/* 移动端菜单展开时 header 强制深色背景 */
header.menu-open,
header:has(#mobile-menu.menu-open) {
    background: var(--bg-secondary) !important;
    box-shadow: var(--shadow-nav) !important;
}

/* ── 导航栏亮色模式（透明背景时） ── */
header:not(.scrolled) .nav-links a {
    color: var(--text-secondary) !important;
    border-color: transparent !important;
}
header:not(.scrolled) .nav-links a:hover,
header:not(.scrolled) .nav-links a.active {
    color: var(--neon-green) !important;
    border-color: var(--neon-green) !important;
}
header:not(.scrolled) .nav-links a.border-\[\#2563eb\] {
    color: var(--neon-green) !important;
    border-color: var(--neon-green) !important;
}

/* 搜索框亮色模式（透明背景时） */
header:not(.scrolled) .nav-search input {
    background: rgba(255,255,255,0.15) !important;
    border-color: var(--border-light) !important;
    color: var(--text-primary) !important;
}
header:not(.scrolled) .nav-search input::placeholder {
    color: rgba(255,255,255,0.6) !important;
}
header:not(.scrolled) .nav-search svg {
    color: rgba(255,255,255,0.7) !important;
}

/* 搜索框滚动后样式 - 深色主题 */
header.scrolled .nav-search input {
    background: var(--bg-card) !important;
    border-color: var(--border-color-hover) !important;
    color: var(--text-primary) !important;
}
header.scrolled .nav-search input::placeholder {
    color: var(--text-tertiary) !important;
}
header.scrolled .nav-search input:focus {
    background: var(--bg-card-hover) !important;
    border-color: var(--neon-green) !important;
}
header.scrolled .nav-search svg {
    color: var(--neon-green) !important;
}

/* 语言切换按钮亮色模式（透明背景时） */
header:not(.scrolled) .nav-lang-btn {
    background: rgba(255,255,255,0.15) !important;
    border-color: var(--border-light) !important;
}
header:not(.scrolled) .nav-lang-btn:hover {
    background: rgba(255,255,255,0.25) !important;
    border-color: var(--border-light-hover) !important;
}
header:not(.scrolled) .nav-lang-btn svg,
header:not(.scrolled) .nav-lang-text {
    color: var(--text-primary) !important;
}

/* 语言切换按钮滚动后样式 - 深色主题 */
header.scrolled .nav-lang-btn {
    background: var(--bg-card) !important;
    border-color: var(--border-color-hover) !important;
}
header.scrolled .nav-lang-btn:hover {
    background: var(--border-color) !important;
    border-color: var(--neon-green) !important;
}
header.scrolled .nav-lang-btn svg,
header.scrolled .nav-lang-text {
    color: var(--text-secondary) !important;
}
header.scrolled .nav-lang-btn:hover svg,
header.scrolled .nav-lang-btn:hover .nav-lang-text {
    color: var(--neon-green) !important;
}

/* 导航链接滚动后样式 - 深色主题 */
header.scrolled .nav-links a {
    color: var(--text-secondary) !important;
}
header.scrolled .nav-links a:hover {
    color: var(--neon-green) !important;
}


/* ── Swiper Banner：占满全屏，16:9图片比例 ── */
.banner-hero-wrap {
    position: relative;
    width: 100%;
    height: 100vh; /* 占满整个视口 */
    overflow: hidden;
}

.banner-swiper {
    width: 100%;
    height: 100%;
    position: relative;
}

.banner-swiper .swiper-slide {
    width: 100%;
    height: 100%;
    position: relative;
}

/* 图片填充方式：cover填满整个slide */
.banner-swiper .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* 移动端高度调整 */
@media (max-width: 640px) {
    .banner-hero-wrap {
        height: 100vh;
    }
}
.banner-swiper {
    width: 100%;
    height: 100%;
}
.banner-swiper .swiper-slide {
    height: 100%;
}

/* ── Logo 静态展示（移除跑马灯动画）── */

/* 左右箭头 — 酷炫版 */
.banner-swiper .swiper-button-prev,
.banner-swiper .swiper-button-next {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, rgba(255,255,255,0.18) 0%, rgba(255,255,255,0.06) 100%);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
/* 移动端隐藏箭头 */
@media (max-width: 640px) {
    .banner-swiper .swiper-button-prev,
    .banner-swiper .swiper-button-next {
        display: none !important;
    }
}

/* 分页器 — 胶囊条形样式，定位在底部安全区域 */
.banner-swiper .swiper-pagination {
    position: absolute;
    bottom: 80px; /* 距离底部80px，避开浏览器工具栏 */
    left: 0;
    right: 0;
    z-index: 30;
    text-align: center;
}

/* 向下滚动指示器 */
.banner-scroll-indicator {
    position: absolute;
    bottom: 120px; /* 分页器上方 */
    left: 50%;
    transform: translateX(-50%);
    z-index: 25;
    display: flex;
}

/* 基础样式（桌面端） */
.banner-swiper .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    border-radius: 99px;
    background: rgba(255,255,255,0.45);
    opacity: 1;
    margin: 0 4px !important;
    transition: width 0.4s cubic-bezier(.4,0,.2,1), background 0.3s, box-shadow 0.3s;
}
.banner-swiper .swiper-pagination-bullet-active {
    width: 32px;
    background: var(--neon-green);
    box-shadow: 0 0 0 3px var(--neon-glow), 0 0 12px var(--neon-glow-strong);
}

/* 分页器小圆点基础样式 */
.banner-swiper .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    border-radius: 99px;
    background: rgba(255,255,255,0.45);
    opacity: 1;
    margin: 0 4px;
    transition: width 0.4s cubic-bezier(.4,0,.2,1), background 0.3s, box-shadow 0.3s;
}
.banner-swiper .swiper-pagination-bullet-active {
    width: 32px;
    background: var(--neon-green);
    box-shadow: 0 0 0 3px var(--neon-glow), 0 0 12px var(--neon-glow-strong);
}

/* 移动端覆盖样式 */
@media (max-width: 640px) {
    .banner-swiper .swiper-pagination {
        bottom: 12px;
    }
    .banner-swiper .swiper-pagination-bullet {
        width: 4px !important;
        height: 4px !important;
        margin: 0 2px !important;
    }
    .banner-swiper .swiper-pagination-bullet-active {
        width: 14px !important;
    }
}

/* ── 产品 Coverflow ── */
.product-coverflow-swiper {
    width: 100%;
}
/* 确保 wrapper 垂直居中对齐 */
.product-coverflow-swiper .swiper-wrapper {
    align-items: center;
}
/* slide 宽度：移动端 / 平板 / 宽屏 */
@media (max-width: 639px) {
    .product-cf-slide {
        width: calc((100vw - 32px) / 1.2);
        max-width: 320px;
    }
}
@media (min-width: 640px) and (max-width: 1023px) {
    .product-cf-slide {
        width: calc((100vw - 64px) / 2.2);
        max-width: 400px;
    }
}
@media (min-width: 1024px) {
    .product-cf-slide {
        width: calc((100vw - 48px) / 3);
        max-width: 480px;
    }
    .product-coverflow-swiper .swiper-wrapper {
        gap: 0;
    }
}
.product-cf-pagination {
    bottom: 0 !important;
}
.product-cf-pagination .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: var(--text-tertiary);
    opacity: 1;
    transition: width 0.3s, background 0.3s;
}
.product-cf-pagination .swiper-pagination-bullet-active {
    width: 24px;
    border-radius: 99px;
    background: var(--neon-green);
    box-shadow: 0 0 8px var(--neon-glow);
}
/* 产品卡片激活态阴影增强 */
.product-coverflow-swiper .swiper-slide-active .product-cf-card {
    box-shadow: 0 20px 60px -10px rgba(0, 240, 181, 0.18), 0 8px 32px -4px rgba(0,0,0,0.10);
}

/* ================================================================
   Footer Logo 简约商务风格
   ================================================================ */

/* 基础结构 - 干净简约 */
.logo-card {
    position: relative;
    display: inline-block;
    padding: 16px 28px;
    background: transparent;
    border-radius: 8px;
    transition: all var(--transition-base);
}

/* 内容层 */
.logo-content {
    position: relative;
    z-index: 1;
}

/* 图片 */
.logo-content img {
    display: block;
    height: 36px;
    width: auto;
}

/* 悬停效果 */
.logo-card:hover {
    transform: translateY(-1px);
}

/* ================================================================
   汉堡菜单按钮样式
   ================================================================ */

#mobile-menu-btn {
    overflow: hidden;
}

#mobile-menu-btn .menu-line {
    will-change: transform, opacity;
}

/* 展开状态的样式 */
#mobile-menu-btn[aria-expanded="true"] {
    background: rgba(0, 240, 181, 0.15) !important;
    color: var(--neon-green) !important;
}

/* ================================================================
   毛玻璃效果 - Glassmorphism
   ================================================================ */

/* 基础毛玻璃 */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
}

/* 毛玻璃卡片 */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
}

/* 强毛玻璃效果 */
.glass-strong {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
}

/* 导航栏毛玻璃 */
.glass-nav {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
}

/* 不支持 backdrop-filter 的降级方案 */
@supports not (backdrop-filter: blur(10px)) {
    .glass,
    .glass-card,
    .glass-strong,
    .glass-nav {
        background: var(--bg-secondary);
    }
}

/* ================================================================
   主题切换按钮样式
   ================================================================ */

.theme-toggle {
    position: relative;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    overflow: hidden;
}

.theme-toggle:hover {
    border-color: var(--neon-green);
    box-shadow: 0 0 20px var(--neon-glow);
}

.theme-toggle-icons {
    position: relative;
    width: 18px;
    height: 18px;
}

.theme-icon {
    position: absolute;
    top: 0;
    left: 0;
    width: 18px;
    height: 18px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-secondary);
}

/* 太阳图标 - 在 light 主题时显示 */
.theme-icon-sun {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

html[data-theme="light"] .theme-icon-sun {
    opacity: 1;
    transform: rotate(0) scale(1);
    color: var(--neon-green);
}

/* 月亮图标 - 在 dark 主题时显示 */
.theme-icon-moon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

html[data-theme="light"] .theme-icon-moon {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

/* 切换动画 */
.theme-toggle.switching {
    transform: rotate(180deg);
}

/* ================================================================
   通用组件样式
   ================================================================ */

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-sm);
}

.btn-md {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-base);
}

.btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-lg);
}

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

.btn-primary:hover {
    background: var(--btn-gradient-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Light theme glassmorphism button */
[data-theme="light"] .btn-primary {
    border: 1px solid var(--btn-border, var(--glass-border)) !important;
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .btn-primary:hover {
    border-color: var(--neon-green);
    box-shadow: 0 4px 20px rgba(5, 150, 105, 0.25);
}

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

.btn-secondary:hover {
    border-color: var(--neon-green);
    color: var(--neon-green);
}

.btn-glass {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(8px);
}

.btn-glass:hover {
    border-color: var(--neon-green);
    box-shadow: var(--shadow-glow);
}

/* 输入框 */
.input {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: all var(--transition-base);
}

.input:focus {
    outline: none;
    border-color: var(--neon-green);
    box-shadow: 0 0 0 3px var(--neon-glow);
}

.input::placeholder {
    color: var(--text-muted);
}

.input:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.input-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
}

/* 标签/徽章 */
.tag {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-2);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.tag-primary {
    background: var(--neon-green);
    color: var(--bg-primary);
    border-color: var(--neon-green);
}

.tag-accent {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

/* 导航链接 */
.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: var(--font-medium);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--neon-green);
}

.nav-link.active {
    color: var(--neon-green);
}

/* 平滑主题过渡 */
*, *::before, *::after {
    transition-property: background-color, border-color, color, fill, stroke;
    transition-duration: 0.3s;
    transition-timing-function: ease;
}

/* 排除特定元素的过渡 */
.swiper-slide,
.swiper-wrapper,
.menu-line {
    transition-property: transform, opacity;
}