/* ==========================================
   1. 设计系统变量 (Design Tokens)
   ========================================== */
:root {
    /* 字体族 */
    --font-primary: 'Outfit', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* 间距与圆角 */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 暗黑模式变量 (默认) */
html[data-theme="dark"] {
    --color-bg: #0a0f1d;
    --color-bg-alt: #111827;
    --color-card: rgba(17, 24, 39, 0.7);
    --color-card-border: rgba(255, 255, 255, 0.08);
    --color-text: #f3f4f6;
    --color-text-muted: #9ca3af;
    --color-text-darker: #4b5563;
    
    --color-primary: #6366f1; /* 靛蓝 Indigo */
    --color-primary-hover: #4f46e5;
    --color-primary-rgb: 99, 102, 241;
    --color-secondary: rgba(255, 255, 255, 0.05);
    --color-secondary-hover: rgba(255, 255, 255, 0.1);
    
    --color-success: #10b981;
    --color-cyan: #06b6d4;
    
    --shadow-main: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
    --glass-blur: blur(16px);
    
    --glow-opacity: 0.15;
}

/* 亮色模式变量 */
html[data-theme="light"] {
    --color-bg: #f9fafb;
    --color-bg-alt: #f3f4f6;
    --color-card: rgba(255, 255, 255, 0.8);
    --color-card-border: rgba(0, 0, 0, 0.06);
    --color-text: #111827;
    --color-text-muted: #4b5563;
    --color-text-darker: #9ca3af;
    
    --color-primary: #4f46e5;
    --color-primary-hover: #4338ca;
    --color-primary-rgb: 79, 70, 229;
    --color-secondary: rgba(0, 0, 0, 0.03);
    --color-secondary-hover: rgba(0, 0, 0, 0.08);
    
    --color-success: #059669;
    --color-cyan: #0891b2;
    
    --shadow-main: 0 20px 40px -15px rgba(79, 70, 229, 0.1);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.04);
    --glass-blur: blur(16px);
    
    --glow-opacity: 0.08;
}

/* ==========================================
   2. 基础与排版设置
   ========================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

section-padding {
    padding: 100px 0;
}

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

/* 按钮基础样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: none;
    transition: all var(--transition-normal);
}

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

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px rgba(var(--color-primary-rgb), 0.5);
}

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

.btn-secondary:hover {
    background-color: var(--color-secondary-hover);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1.05rem;
    border-radius: var(--radius-md);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ==========================================
   3. 头部导航 (Site Header)
   ========================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: var(--color-card);
    border-bottom: 1px solid var(--color-card-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: all var(--transition-normal);
}

.site-header.scrolled {
    padding: 12px 0;
    background-color: var(--color-bg-alt);
    box-shadow: var(--shadow-sm);
}

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

/* 品牌Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.logo-img {
    width: auto;
    height: 32px;
    object-fit: contain;
    display: block;
    transition: transform var(--transition-normal);
}

.logo:hover .logo-img {
    transform: scale(1.08);
}

/* 亮色模式下为白底Logo增加精致微阴影以保证对比度 */
html[data-theme="light"] .logo-img {
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.12));
}

.logo-icon {
    color: var(--color-primary);
    width: 28px;
    height: 28px;
    stroke-width: 2.5px;
}

/* 导航链接 */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-muted);
    position: relative;
    padding: 8px 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--color-text);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* ==========================================
   导航下拉菜单样式 (Navigation Dropdown)
   ========================================== */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.dropdown-arrow {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-fast);
    opacity: 0.7;
}

/* 鼠标悬停时，箭头旋转且去掉下划线伪元素特效 */
.nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.nav-dropdown:hover .dropdown-toggle::after {
    width: 0 !important; /* 下拉菜单触发器不需要下划线动画 */
}

/* 下拉菜单面板 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(12px);
    background-color: var(--color-card);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-main);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    padding: 10px;
    min-width: 210px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
    z-index: 1000;
}

/* 悬停展示 */
.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(4px);
}

/* 菜单项 */
.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--color-secondary-hover);
    color: var(--color-text);
    transform: translateX(4px);
}

/* SVG品牌图标默认颜色 */
.dropdown-item-icon {
    width: 18px;
    height: 18px;
    fill: var(--color-text-muted);
    transition: fill var(--transition-fast), transform var(--transition-fast);
}

/* 淘宝商城 Hover 颜色变淘宝橙红 */
.dropdown-item:hover .taobao-svg {
    fill: #ff5000;
}


/* 移动端下拉菜单适配 */
@media (max-width: 768px) {
    .nav-dropdown {
        width: 100%;
    }
    
    .dropdown-toggle {
        justify-content: space-between;
        width: 100%;
        padding: 8px 0;
    }
    
    .dropdown-menu {
        position: static;
        transform: none !important;
        opacity: 1;
        visibility: visible;
        display: none; /* 默认隐藏 */
        width: 100%;
        min-width: 100%;
        background-color: var(--color-secondary);
        box-shadow: none;
        border: none;
        border-left: 2px solid var(--color-primary);
        border-radius: 0;
        padding: 4px 0 4px 16px;
        margin-top: 4px;
        margin-bottom: 8px;
    }
    
    /* 当 .nav-dropdown 被激活时展示 */
    .nav-dropdown.active .dropdown-menu {
        display: flex;
    }
    
    .nav-dropdown.active .dropdown-arrow {
        transform: rotate(180deg);
    }
    
    .dropdown-item {
        padding: 8px 0;
        background: none !important;
    }
    
    .dropdown-item:hover {
        transform: translateX(4px);
    }
}

/* 功能按钮组 */
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-toggle {
    background: none;
    border: 1px solid var(--color-card-border);
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background-color: var(--color-secondary);
}

/* 亮暗图标显示逻辑 */
html[data-theme="dark"] .sun-icon { display: block; }
html[data-theme="dark"] .moon-icon { display: none; }
html[data-theme="light"] .sun-icon { display: none; }
html[data-theme="light"] .moon-icon { display: block; }

.btn-console {
    padding: 8px 16px;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text);
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
}

.mobile-menu-toggle .close-icon {
    display: none;
}

/* ==========================================
   4. 首屏部分 (Hero Section)
   ========================================== */
.hero-section {
    position: relative;
    padding-top: 160px;
    padding-bottom: 100px;
    background-color: var(--color-bg);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--color-secondary);
    border: 1px solid var(--color-card-border);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 10px var(--color-primary);
    animation: pulse 2s infinite;
}

.badge-text {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-primary);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    max-width: 540px;
}

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

/* 右侧核心视觉图 */
.hero-visual {
    position: relative;
    z-index: 2;
}

.visual-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
}

.visual-card {
    background-color: var(--color-card);
    border: 1px solid var(--color-card-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-main);
}

.main-dashboard {
    width: 100%;
    max-width: 440px;
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-card-border);
}

.card-dots {
    display: flex;
    gap: 6px;
}

.card-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.dot-red { background-color: #f43f5e; }
.dot-yellow { background-color: #f59e0b; }
.dot-green { background-color: #10b981; }

.card-title {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.card-body {
    padding: 24px;
}

/* ==========================================
   手机端微信小程序高保真模拟样式 (Phone Mockup)
   ========================================== */
.phone-mockup {
    width: 320px;
    height: 620px;
    background-color: #f6f7f9; /* 微信经典浅灰色背景 */
    border: 9px solid #1e293b; /* 手机深色边框 */
    border-radius: 38px;
    box-shadow: var(--shadow-main);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    z-index: 2;
    transition: background-color var(--transition-normal);
}

/* 微信状态栏 */
.phone-statusbar {
    height: 32px;
    background-color: #4ba369; /* 与微信导航栏底色一致 */
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    color: #ffffff;
    font-size: 0.72rem;
    font-family: var(--font-primary);
    font-weight: 600;
    flex-shrink: 0;
    position: relative;
    z-index: 10;
}

.phone-notch {
    width: 90px;
    height: 15px;
    background-color: #1e293b;
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.phone-icons {
    display: flex;
    gap: 6px;
    align-items: center;
}

.status-icon {
    width: 12px;
    height: 12px;
}

/* 微信小程序头部导航 */
.wechat-header {
    height: 44px;
    background-color: #4ba369;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 16px;
    color: #ffffff;
    flex-shrink: 0;
    position: relative;
    z-index: 9;
}

.wechat-title {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* 微信胶囊按钮 */
.wechat-capsule {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 5px 10px;
    border-radius: 20px;
}

.capsule-dot-more {
    width: 5px;
    height: 5px;
    background-color: #ffffff;
    border-radius: 50%;
    box-shadow: 7px 0 0 #ffffff, -7px 0 0 #ffffff;
}

.capsule-dot-exit {
    width: 10px;
    height: 10px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    position: relative;
    margin-left: 8px;
}

.capsule-dot-exit::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 2px;
    height: 2px;
    background-color: #ffffff;
    border-radius: 50%;
}

/* 手机屏幕主内容区 */
.phone-screen-content {
    flex-grow: 1;
    overflow-y: auto;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-align: left; /* 强制内容左对齐，不受父容器居中影响 */
}

/* 隐藏滚动条 */
.phone-screen-content::-webkit-scrollbar {
    display: none;
}

/* 问候语 */
.greeting-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.greeting-text h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #111827;
    margin: 0;
}

.greeting-text p {
    font-size: 0.68rem;
    color: #6b7280;
    margin: 2px 0 0 0;
}

.greeting-time {
    background-color: rgba(75, 163, 105, 0.1);
    color: #4ba369;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 700;
}

/* 顶部 Banner */
.banner-card {
    width: 100%;
    height: 100px;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.banner-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.6) 100%);
    padding: 6px 12px;
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 600;
}

/* 地块选择器 */
.land-selector {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #ffffff;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.78rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.land-selector .label {
    color: #6b7280;
}

.land-selector .value {
    font-weight: 700;
    flex-grow: 1;
    margin-left: 4px;
    color: #1e3a8a; /* 齐民物联代表性深蓝 */
}

.select-arrow {
    width: 14px;
    height: 14px;
    color: #9ca3af;
}

/* 3x3 设备功能网格 */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.feature-card {
    background-color: #ffffff;
    border-radius: 8px;
    padding: 12px 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
    transition: transform var(--transition-fast);
}

.feature-card:hover {
    transform: translateY(-2px);
}

.feature-card svg {
    width: 22px;
    height: 22px;
    stroke-width: 2.2px;
}

.feature-card span {
    font-size: 0.68rem;
    font-weight: 600;
    color: #374151;
}

/* 微信小程序真实设备彩色图标定义 */
.icon-sprout { color: #52c41a; }
.icon-irrigation { color: #1890ff; }
.icon-weather { color: #faad14; }
.icon-switch { color: #fadb14; }
.icon-video { color: #5c6b77; }
.icon-water { color: #13c2c2; }
.icon-pest { color: #a0d911; }
.icon-air { color: #1890ff; }
.icon-lamp { color: #fa8c16; }

/* 底部选项卡 Tabbar */
.phone-tabbar {
    height: 48px;
    background-color: #ffffff;
    border-top: 1px solid #f0f0f0;
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-shrink: 0;
}

.tab-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #9ca3af;
    font-size: 0.62rem;
    font-weight: 500;
    gap: 2px;
    flex: 1;
}

.tab-btn svg {
    width: 18px;
    height: 18px;
    stroke-width: 2px;
}

.tab-btn.active {
    color: #4ba369; /* active 微信绿 */
}

/* 暗黑模式适配手机外壳 */
html[data-theme="dark"] .phone-mockup {
    background-color: #0b0f19; /* 暗夜小程序背景 */
}

html[data-theme="dark"] .land-selector,
html[data-theme="dark"] .feature-card,
html[data-theme="dark"] .phone-tabbar {
    background-color: #111827;
    border-color: rgba(255, 255, 255, 0.04);
}

html[data-theme="dark"] .phone-tabbar {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

html[data-theme="dark"] .greeting-text h3,
html[data-theme="dark"] .land-selector,
html[data-theme="dark"] .feature-card span {
    color: #f3f4f6;
}

html[data-theme="dark"] .greeting-text p,
html[data-theme="dark"] .land-selector .label {
    color: #9ca3af;
}

html[data-theme="dark"] .land-selector .value {
    color: #93c5fd;
}

/* 顺滑齿轮转动与脉冲动画 */
.spin-slow {
    animation: icon-spin 12s linear infinite;
}

@keyframes icon-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.small-card-1 {
    position: absolute;
    bottom: -30px;
    left: -20px;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    border-radius: var(--radius-sm);
    z-index: 10;
}

.small-card-2 {
    position: absolute;
    top: -20px;
    right: -20px;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    border-radius: var(--radius-sm);
    z-index: 10;
}

.small-card-1 h4, .small-card-2 h4 {
    font-size: 0.95rem;
    color: var(--color-text);
    font-weight: 700;
    margin-bottom: 2px;
}

.small-card-1 p, .small-card-2 p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* 漂浮动画 */
.floating {
    animation: float 5s ease-in-out infinite;
}

.floating-delayed {
    animation: float-delayed 5s ease-in-out infinite;
}

/* 背景虚化装饰 */
.bg-blur {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(var(--color-primary-rgb), var(--glow-opacity)) 0%, rgba(var(--color-primary-rgb), 0) 70%);
    filter: blur(40px);
    z-index: 1;
    pointer-events: none;
}

.blur-1 {
    top: 20%;
    right: 10%;
}

.blur-2 {
    bottom: 10%;
    left: 10%;
}

/* ==========================================
   5. 通用板块结构与卡片
   ========================================== */
.section-padding {
    padding: 100px 0;
}

.bg-alt {
    background-color: var(--color-bg-alt);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 1.05rem;
}

/* 产品中心网格 */
/* ==========================================
   产品中心三栏布局样式 (Product Center Layout)
   ========================================== */
.product-center-container {
    display: grid;
    grid-template-columns: 200px 220px 1fr;
    border: 1px solid var(--color-card-border);
    background-color: var(--color-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 520px; /* 固定高度以支持内部滚动 */
    box-shadow: var(--shadow-main);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.category-column {
    height: 100%;
    overflow-y: auto;
    border-right: 1px solid var(--color-card-border);
}

.main-category-column {
    background-color: var(--color-bg-alt);
}

.sub-category-column {
    background-color: var(--color-secondary);
}

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

.category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-card-border);
    transition: all var(--transition-fast);
}

.category-item:hover {
    color: var(--color-text);
    background-color: var(--color-secondary-hover);
}

.category-item.active {
    color: var(--color-primary);
    background-color: var(--color-bg);
    font-weight: 600;
}

.category-item i {
    width: 16px;
    height: 16px;
    opacity: 0.4;
    transition: transform var(--transition-fast);
}

.category-item.active i {
    opacity: 1;
    transform: translateX(3px);
}

/* 右侧产品展示列 */
.product-list-column {
    height: 100%;
    overflow-y: auto;
    padding: 10px 32px;
    background-color: var(--color-bg);
}

.product-list {
    display: flex;
    flex-direction: column;
}

.product-item {
    display: flex;
    gap: 24px;
    padding: 24px 0;
    border-bottom: 1px dashed var(--color-card-border);
    align-items: flex-start;
    transition: all var(--transition-fast);
}

.product-item:last-child {
    border-bottom: none;
}

.product-item:hover {
    transform: translateX(4px);
}

.product-img-box {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-sm);
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-card-border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.product-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-img-box i {
    width: 36px;
    height: 36px;
    color: var(--color-primary);
}

.product-info {
    flex-grow: 1;
}

.product-info h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text);
}

.product-info p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ==========================================
   6. 核心优势板块 (Features)
   ========================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.feature-item {
    display: flex;
    gap: 20px;
    background-color: var(--color-card);
    border: 1px solid var(--color-card-border);
    padding: 30px;
    border-radius: var(--radius-md);
    transition: transform var(--transition-normal);
}

.feature-item:hover {
    transform: translateY(-4px);
}

.feature-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.feature-item h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
    font-weight: 700;
}

.feature-item p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ==========================================
   7. 关于我们板块 (About Us)
   ========================================== */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: center;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.about-image-container {
    width: 100%;
    max-width: 440px;
    height: 360px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-card-border);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-main);
}

.about-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.about-image-container:hover .about-img {
    transform: scale(1.05);
}

.pulse-ring {
    position: absolute;
    width: 140px;
    height: 140px;
    border: 1px solid rgba(var(--color-primary-rgb), 0.3);
    border-radius: 50%;
    animation: ring-pulse 4s linear infinite;
}

.pulse-icon {
    width: 64px;
    height: 64px;
    color: var(--color-primary);
    position: relative;
    z-index: 2;
    animation: float 6s ease-in-out infinite;
}

.image-text {
    margin-top: 24px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    letter-spacing: 2px;
}

.about-desc {
    color: var(--color-text-muted);
    font-size: 1rem;
    margin-bottom: 20px;
}

.stats-row {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

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

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.1;
}

.stat-col .stat-label {
    margin-top: 8px;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* ==========================================
   8. 联系我们与表单 (Contact Form)
   ========================================== */
.contact-container {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 60px;
    align-items: start;
}

.contact-info .section-title {
    text-align: left;
}

.contact-subtitle {
    color: var(--color-text-muted);
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-detail-item {
    display: flex;
    gap: 20px;
    align-items: center;
}

.contact-detail-item i {
    width: 48px;
    height: 48px;
    background-color: var(--color-secondary);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-detail-item h4 {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 2px;
    font-weight: 500;
}

.contact-detail-item p {
    font-size: 1.05rem;
    font-weight: 600;
}

/* 表单框 */
.contact-form-wrapper {
    background-color: var(--color-card);
    border: 1px solid var(--color-card-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-main);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.form-group input, .form-group textarea {
    font-family: var(--font-primary);
    background-color: var(--color-secondary);
    border: 1px solid var(--color-card-border);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: var(--color-text);
    outline: none;
    transition: all var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--color-primary);
    background-color: var(--color-bg);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

.form-response {
    font-size: 0.9rem;
    text-align: center;
    margin-top: 10px;
}

.form-response.success {
    color: var(--color-success);
}

.form-response.error {
    color: #f43f5e;
}

/* ==========================================
   9. 页脚 (Footer)
   ========================================== */
.site-footer {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-card-border);
    padding: 80px 0 30px;
}

.footer-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

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

.footer-desc {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-top: 16px;
}

.footer-links-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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

.footer-col h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.footer-col a {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.footer-col a:hover {
    color: var(--color-primary);
}

.footer-col p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.footer-bottom {
    border-top: 1px solid var(--color-card-border);
    padding-top: 30px;
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.footer-meta-links {
    display: flex;
    gap: 20px;
}

.footer-meta-links a:hover {
    color: var(--color-text);
}

/* ==========================================
   10. 交互动效与滚动渐显
   ========================================== */
.card-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* @keyframes 关键帧动画 */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

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

@keyframes ring-pulse {
    0% { transform: rotate(0deg) scale(0.95); opacity: 0.5; }
    50% { transform: rotate(180deg) scale(1.05); opacity: 0.8; }
    100% { transform: rotate(360deg) scale(0.95); opacity: 0.5; }
}

@keyframes pulse {
    0% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(var(--color-primary-rgb), 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(var(--color-primary-rgb), 0); }
    100% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(var(--color-primary-rgb), 0); }
}

/* ==========================================
   11. 媒体查询响应式设计 (Media Queries)
   ========================================== */

/* 1024px 平板/小屏笔记本 */
@media (max-width: 1024px) {
    html { font-size: 15px; }
    .hero-container {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-buttons {
        justify-content: center;
    }
    .main-dashboard {
        margin: 0 auto;
    }
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-container {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    .about-visual {
        order: 2;
    }
    .about-content {
        order: 1;
    }
    .contact-container {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

/* 768px 移动端导航切换 */
@media (max-width: 768px) {
    .site-header {
        padding: 6px 0;
    }
    .nav-menu {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 72px);
        background-color: var(--color-bg);
        flex-direction: column;
        align-items: flex-start;
        padding: 40px 24px;
        gap: 24px;
        transition: left var(--transition-normal);
        border-top: 1px solid var(--color-card-border);
    }
    .nav-menu.open {
        left: 0;
    }
    .nav-link {
        font-size: 1.2rem;
        width: 100%;
    }
    .mobile-menu-toggle {
        display: flex;
    }
    .nav-menu.open ~ .header-actions .mobile-menu-toggle .open-icon {
        display: none;
    }
    .nav-menu.open ~ .header-actions .mobile-menu-toggle .close-icon {
        display: block;
    }
    /* 隐藏部分动作按钮在大屏幕外的手机端 */
    .btn-console {
        display: none; /* 在手机端收纳或直接隐藏 */
    }
    .products-grid {
        grid-template-columns: 1fr;
    }
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-links-group {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .footer-bottom-container {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    /* ==========================================
       移动端产品中心重构 (Mobile Product Matrix)
       ========================================== */
    .product-center-container {
        display: flex;
        flex-direction: column;
        height: auto; /* 取消固定高度 */
        border: 1px solid var(--color-card-border);
        background-color: var(--color-card);
        border-radius: var(--radius-md);
        overflow: hidden;
    }

    /* 将分类列改为横向滚动 */
    .category-column {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--color-card-border);
        overflow-x: auto;
        overflow-y: hidden;
        display: flex;
        -webkit-overflow-scrolling: touch;
        /* 隐藏滚动条 */
        -ms-overflow-style: none;
        scrollbar-width: none;
    }
    
    .category-column::-webkit-scrollbar {
        display: none;
    }

    .main-category-column {
        background-color: var(--color-bg-alt);
    }

    .sub-category-column {
        background-color: var(--color-secondary);
    }

    .category-list {
        display: flex;
        flex-direction: row;
        padding: 10px 16px;
        gap: 8px;
        width: max-content;
    }

    /* 转换为药丸样式 */
    .category-item {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 6px 14px;
        font-size: 0.88rem;
        border-bottom: none;
        border-radius: var(--radius-full);
        background-color: rgba(255, 255, 255, 0.04);
        border: 1px solid var(--color-card-border);
        white-space: nowrap;
        color: var(--color-text-muted);
        transition: all var(--transition-fast);
        margin: 0;
    }
    
    html[data-theme="light"] .category-item {
        background-color: rgba(0, 0, 0, 0.03);
    }

    .category-item:hover {
        color: var(--color-text);
        background-color: var(--color-secondary-hover);
    }

    /* 激活态药丸 */
    .category-item.active {
        background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-cyan) 100%);
        color: #ffffff !important;
        border-color: transparent;
        box-shadow: 0 4px 10px rgba(var(--color-primary-rgb), 0.25);
    }

    /* 移动端隐藏右侧指示箭头 */
    .category-item i {
        display: none !important;
    }

    /* 产品展示列拉伸为全宽，并去除固定高度与双重滚动条 */
    .product-list-column {
        width: 100%;
        height: auto;
        overflow-y: visible;
        padding: 16px 20px;
        background-color: var(--color-bg);
    }

    .product-item {
        gap: 16px;
        padding: 16px 0;
    }

    .product-img-box {
        width: 68px;
        height: 68px;
    }

    .product-img-box i {
        width: 24px;
        height: 24px;
    }

    .product-info h3 {
        font-size: 1rem;
        margin-bottom: 4px;
    }

    .product-info p {
        font-size: 0.82rem;
        line-height: 1.5;
    }
}

/* 480px 小屏手机 */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    .hero-buttons .btn {
        width: 100%;
    }
    .visual-wrapper {
        transform: scale(0.88);
        transform-origin: center center;
        margin: -30px 0;
    }
    .small-card-1 {
        left: 0;
        bottom: -20px;
        padding: 10px 16px;
    }
    .small-card-2 {
        right: 0;
        top: -15px;
        padding: 10px 16px;
    }
    .about-image-placeholder {
        height: 280px;
    }
    .contact-form-wrapper {
        padding: 24px;
    }
}

/* 360px 极窄屏幕手机 */
@media (max-width: 360px) {
    .visual-wrapper {
        transform: scale(0.78);
        transform-origin: center center;
        margin: -60px 0;
    }
}

/* ==========================================
   解决方案板块样式 (Solutions Section)
   ========================================== */
.solutions-section {
    width: 100%;
    overflow: hidden;
}

.solutions-hero {
    height: 400px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 2;
}

.solutions-hero-container {
    text-align: center;
    color: #ffffff;
    max-width: 800px;
}

.sol-badge {
    display: inline-block;
    background-color: var(--color-primary);
    color: #ffffff;
    padding: 6px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sol-hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.sol-hero-subtitle {
    font-size: 1.15rem;
    opacity: 0.9;
    line-height: 1.6;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

/* 详情与大数据大屏 */
.solutions-detail {
    background-color: var(--color-bg);
}

.dashboard-mockup-wrapper {
    display: flex;
    justify-content: center;
    margin-top: 50px;
}

.dashboard-mockup {
    width: 100%;
    max-width: 900px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-main);
    background-color: var(--color-card);
    position: relative;
    transition: transform var(--transition-slow);
}

.dashboard-mockup:hover {
    transform: scale(1.02);
}

.dashboard-mockup-img {
    width: 100%;
    height: auto;
    display: block;
}

/* 反光流光覆盖层 */
.dashboard-glare {
    position: absolute;
    top: 0;
    left: -150%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.05) 50%, rgba(255, 255, 255, 0) 100%);
    transform: skewX(-25deg);
    transition: left 1s ease;
}

.dashboard-mockup:hover .dashboard-glare {
    left: 150%;
}

/* ==========================================
   侧边悬浮功能栏 (Floating Widgets)
   ========================================== */
.floating-widget-group {
    position: fixed;
    right: 24px;
    bottom: 80px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 99;
}

.floating-widget-item {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background-color: var(--color-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.3);
    position: relative;
    transition: all var(--transition-fast);
}

.floating-widget-item:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
}

.widget-totop {
    background-color: var(--color-card);
    color: var(--color-text);
    border: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-sm);
    opacity: 0; /* 默认隐藏，滚动后通过 JS 显示 */
    visibility: hidden;
    transform: translateY(10px);
}

.widget-totop.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 提示气泡 Tooltip */
.widget-tooltip {
    position: absolute;
    right: 60px;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-card-border);
    color: var(--color-text);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all var(--transition-fast);
    pointer-events: none;
    box-shadow: var(--shadow-sm);
}

.floating-widget-item:hover .widget-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .sol-hero-title {
        font-size: 2.2rem;
    }
    .solutions-hero {
        height: 300px;
    }
    .floating-widget-group {
        right: 16px;
        bottom: 40px;
    }
    .floating-widget-item {
        width: 42px;
        height: 42px;
    }
    .widget-tooltip {
        display: none; /* 移动端隐藏提示气泡 */
    }
}

/* ==========================================
   解决方案列表页面样式 (solutions.html)
   ========================================== */
.solutions-page-main {
    padding-top: 72px; /* 避开固定导航栏 */
}

.solutions-page-hero {
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, rgba(var(--color-primary-rgb), 0.1) 100%);
    border-bottom: 1px solid var(--color-card-border);
    padding: 60px 0;
}

.sol-page-hero-content h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.sol-page-hero-content p {
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

/* 过滤器选项栏 */
.solutions-filter-bar {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-tab {
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-card-border);
    background-color: var(--color-card);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-tab:hover {
    color: var(--color-text);
    border-color: var(--color-primary);
}

.filter-tab.active {
    background-color: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.3);
}

/* 案例列表网格 */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.sol-card {
    background-color: var(--color-card);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.sol-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-main);
    border-color: var(--color-primary);
}

.sol-card-img-box {
    width: 100%;
    height: 180px;
    overflow: hidden;
    position: relative;
}

.sol-card-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.sol-card:hover .sol-card-img-box img {
    transform: scale(1.05);
}

.sol-card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.sol-card-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
    color: var(--color-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sol-card-content p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 24px;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sol-card-content .btn {
    align-self: flex-start;
    padding: 8px 16px;
    font-size: 0.85rem;
}

/* 分页组件 */
.solutions-pagination {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 20px;
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid var(--color-card-border);
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.pagination-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pag-btn, .pag-num {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-card-border);
    background-color: var(--color-card);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-family: var(--font-primary);
    transition: all var(--transition-fast);
}

.pag-btn i {
    width: 16px;
    height: 16px;
}

.pag-btn:hover:not(.disabled), .pag-num:hover:not(.active) {
    color: var(--color-text);
    border-color: var(--color-primary);
}

.pag-num.active {
    background-color: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

.pag-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-jump {
    display: flex;
    align-items: center;
    gap: 8px;
}

.jump-input {
    width: 50px;
    height: 36px;
    text-align: center;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-card-border);
    background-color: var(--color-card);
    color: var(--color-text);
    outline: none;
    -moz-appearance: textfield;
}

.jump-input::-webkit-outer-spin-button,
.jump-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* 响应式媒体查询 */
@media (max-width: 1200px) {
    .solutions-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    .sol-page-hero-content h1 {
        font-size: 2.2rem;
    }
    .solutions-pagination {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
}

/* ==========================================
   首页 CTA 解决方案呼吁横幅样式
   ========================================== */
.cta-section {
    position: relative;
    background-color: #0b0f19; /* 极暗的深蓝色背景 */
    padding: 70px 0;
    overflow: hidden;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.cta-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.cta-shape {
    position: absolute;
    height: 160%;
    top: -30%;
    transform: skewX(-28deg); /* 倾斜角度，形成斜向平行四边形 */
}

/* 根据效果图精确控制斜条纹的位置、宽度与渐变透明度 */
.cta-shape-1 {
    right: -10%;
    width: 25%;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.015) 0%, rgba(255, 255, 255, 0.045) 100%);
    border-left: 1px solid rgba(255, 255, 255, 0.02);
}

.cta-shape-2 {
    right: 15%;
    width: 18%;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.008) 0%, rgba(255, 255, 255, 0.025) 100%);
    border-left: 1px solid rgba(255, 255, 255, 0.015);
}

.cta-shape-3 {
    left: -5%;
    width: 32%;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0.005) 100%);
    border-right: 1px solid rgba(255, 255, 255, 0.015);
}

.cta-shape-4 {
    left: 27%;
    width: 10%;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.01) 0%, rgba(255, 255, 255, 0.003) 100%);
    border-right: 1px solid rgba(255, 255, 255, 0.008);
}

.cta-container {
    position: relative;
    z-index: 2; /* 确保文字与按钮位于背景条纹上方 */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.cta-title {
    font-size: 1.65rem;
    font-weight: 500;
    color: #ffffff;
    text-align: center;
    letter-spacing: 1px;
}

.btn-cta {
    background-color: #ffffff !important;
    color: #4b5563 !important; /* 灰暗色文字 */
    font-weight: 500;
    padding: 10px 28px;
    font-size: 0.95rem;
    border-radius: 4px; /* 直角微圆，完美匹配效果图 */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast) !important;
}

.btn-cta:hover {
    background-color: #f9fafb !important;
    color: #1f2937 !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.25) !important;
}

@media (max-width: 768px) {
    .cta-title {
        font-size: 1.3rem;
        line-height: 1.5;
        padding: 0 16px;
    }
    .cta-section {
        padding: 50px 0;
    }
    .cta-shape {
        transform: skewX(-15deg); /* 手机端较窄，倾斜度调小 */
    }
}