/* ============================================
   安徽万业·标擎天™ · AI赋能投标网站 - 共享样式
   深蓝科技色系 · 统一设计系统
   ============================================ */

/* ===== CSS 变量 ===== */
:root {
    --color-primary-dark: #0a0e27;
    --color-primary-blue: #0d1b3e;
    --color-primary-medium: #1a2a5e;
    --color-primary-light: #2a3f7e;
    --color-accent-blue: #3b82f6;
    --color-accent-cyan: #06b6d4;
    --color-accent-purple: #8b5cf6;
    --color-accent-pink: #ec4899;
    --color-accent-orange: #f97316;
    --color-accent-green: #10b981;
    --color-gradient-start: #3b82f6;
    --color-gradient-end: #8b5cf6;
    --color-text-primary: #ffffff;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #8899aa;
    --color-border: rgba(148, 163, 184, 0.15);
    --color-border-strong: rgba(148, 163, 184, 0.3);
    --color-card-bg: rgba(13, 27, 62, 0.8);
    --color-card-bg-hover: rgba(26, 42, 94, 0.9);
    --color-glow-blue: rgba(59, 130, 246, 0.3);
    --color-glow-purple: rgba(139, 92, 246, 0.3);
    --color-overlay: rgba(10, 14, 39, 0.85);
    /* RGB三元组 - 用于动态rgba(var(--xxx), alpha) */
    --rgb-overlay: 10, 14, 39;
    --rgb-card: 13, 27, 62;
    --rgb-card-hover: 26, 42, 94;
    --rgb-accent-blue: 59, 130, 246;
    --rgb-accent-cyan: 6, 182, 212;
    --rgb-accent-purple: 139, 92, 246;
    --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.2);
    --shadow-card-hover: 0 8px 40px rgba(59, 130, 246, 0.15);
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    --container-max: 1200px;
}

/* ===== 基础重置 ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-family);
    background-color: var(--color-primary-dark);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a { color: var(--color-accent-cyan); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-text-primary); }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; outline: none; font-family: var(--font-family); }
input, textarea { font-family: var(--font-family); outline: none; }

/* ===== 网格背景 ===== */
.grid-background {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(var(--rgb-accent-blue), 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(var(--rgb-accent-purple), 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(var(--rgb-accent-cyan), 0.05) 0%, transparent 50%),
        var(--color-primary-dark);
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    padding: var(--spacing-md) var(--spacing-xxl);
    display: flex; align-items: center; justify-content: space-between;
    transition: background-color var(--transition-normal), padding var(--transition-normal), box-shadow var(--transition-normal);
    background-color: transparent;
}
.navbar.scrolled {
    background-color: rgba(var(--rgb-overlay), 0.95);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    padding: var(--spacing-sm) var(--spacing-xxl);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--color-border);
}
.navbar-logo { display: flex; align-items: center; gap: var(--spacing-sm); flex-shrink: 0; }
.navbar-logo-icon { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; }
.navbar-logo-icon svg { width: 40px; height: 40px; }
.navbar-logo-icon img { width: 40px; height: 40px; object-fit: contain; }
.navbar-logo-text { font-size: 1.3rem; font-weight: 700; color: var(--color-text-primary); letter-spacing: 1px; }
.navbar-logo-text span { color: var(--color-accent-cyan); }
.navbar-menu { display: flex; align-items: center; gap: var(--spacing-lg); }
.navbar-menu-item {
    color: var(--color-text-secondary); font-size: 1.1rem; font-weight: 500;
    padding: var(--spacing-sm) 0; position: relative; transition: color var(--transition-fast);
    white-space: nowrap;
}
.navbar-menu-item::after {
    content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
    background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-cyan));
    transition: width var(--transition-normal);
}
.navbar-menu-item:hover, .navbar-menu-item.active { color: var(--color-text-primary); }
.navbar-menu-item:hover::after, .navbar-menu-item.active::after { width: 100%; }

/* 导航栏下拉菜单 */
.navbar-dropdown { position: relative; }
.navbar-dropdown .navbar-menu-item { display: flex; align-items: center; gap: 4px; }
.navbar-dropdown-menu {
    position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
    min-width: 140px; padding: 8px 0;
    background: rgba(var(--rgb-overlay), 0.98); backdrop-filter: blur(20px);
    border: 1px solid var(--color-border-strong); border-radius: var(--border-radius-md);
    opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    transform: translateX(-50%) translateY(8px); z-index: 1001;
}
.navbar-dropdown:hover .navbar-dropdown-menu {
    opacity: 1; visibility: visible; pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}
.navbar-dropdown-item {
    display: block; padding: 10px 20px; font-size: 0.95rem;
    color: var(--color-text-secondary); text-decoration: none;
    transition: color 0.15s, background 0.15s; white-space: nowrap;
}
.navbar-dropdown-item:hover { color: var(--color-text-primary); background: rgba(var(--rgb-accent-blue), 0.1); }

.navbar-actions { display: flex; align-items: center; gap: var(--spacing-md); }
.navbar-phone-btn {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 20px; border-radius: var(--border-radius-sm);
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-cyan));
    color: #fff; font-size: 0.9rem; font-weight: 600;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.navbar-phone-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 20px rgba(var(--rgb-accent-blue), 0.4); color: #fff; }
/* ===== 导航栏电话区：一行横排 ===== */
.navbar-phone-group {
    display: flex; flex-direction: row; align-items: center; gap: 10px;
}
/* 左侧：电话图标 + 咨询热线文字 */
.navbar-phone-hotline {
    display: flex; align-items: center; gap: 7px;
    text-decoration: none; transition: opacity var(--transition-fast);
}
.navbar-phone-hotline:hover { opacity: 0.82; }
.phone-icon-ring {
    color: var(--color-accent-blue);
    animation: phoneRingPulse 2s ease-in-out infinite;
    flex-shrink: 0;
}
@keyframes phoneRingPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}
.navbar-phone-hotline-text {
    font-size: 0.86rem; font-weight: 500; color: var(--color-text-primary);
    white-space: nowrap; letter-spacing: 0.3px;
}
.navbar-phone-hotline-text b {
    color: var(--color-accent-blue); font-weight: 700;
}
/* 右侧：主号圆角按钮（实心蓝渐变） */
.navbar-phone-main-btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 8px 18px; border-radius: 6px;
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-cyan)); color: #fff;
    font-size: 0.84rem; font-weight: 600;
    text-decoration: none; white-space: nowrap;
    transition: background var(--transition-fast), transform var(--transition-fast),
                box-shadow var(--transition-fast);
    box-shadow: 0 2px 10px rgba(var(--rgb-accent-blue), 0.3);
}
.navbar-phone-main-btn:hover {
    background: var(--color-accent-blue); transform: translateY(-1px);
    box-shadow: 0 5px 20px rgba(var(--rgb-accent-blue), 0.42); color: #fff;
}
@media (prefers-reduced-motion: reduce) {
    .phone-icon-ring { animation: none; }
}
.navbar-mobile-toggle, .navbar-toggle { display: none; background: transparent; color: var(--color-text-primary); }

/* ===== 通用 Section ===== */
.section { padding: var(--spacing-xxl) 0; position: relative; }
.section-inner { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--spacing-xl); }
.section-header { text-align: center; margin-bottom: var(--spacing-xl); }
.section-tag {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 16px; border-radius: 20px;
    background: rgba(var(--rgb-accent-blue), 0.08); border: 1px solid rgba(var(--rgb-accent-blue), 0.2);
    color: var(--color-accent-blue); font-size: 0.8rem; font-weight: 600;
    letter-spacing: 1px; margin-bottom: var(--spacing-md);
}
.section-title {
    font-size: 2.2rem; font-weight: 900; margin-bottom: var(--spacing-md);
    color: var(--color-text-primary); letter-spacing: 1px;
}
.section-title-gradient, .text-gradient {
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-cyan));
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.section-description {
    max-width: 700px; margin: 0 auto;
    color: var(--color-text-secondary); font-size: 1.05rem; line-height: 1.8;
}
.section-divider {
    height: 1px; max-width: var(--container-max); margin: 0 auto;
    background: linear-gradient(90deg, transparent, var(--color-border-strong), transparent);
}

/* ===== 滚动动画 ===== */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.slide-in-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.6s ease, transform 0.6s ease; }
.slide-in-left.visible { opacity: 1; transform: translateX(0); }
.slide-in-right { opacity: 0; transform: translateX(40px); transition: opacity 0.6s ease, transform 0.6s ease; }
.slide-in-right.visible { opacity: 1; transform: translateX(0); }

/* ===== Banner 图片轮播 ===== */
/* 容器：约束宽度+避开导航栏 */
.banner-wrap {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 92px var(--spacing-xl) 0;
}
.banner-wrap .photo-viewport {
    border-radius: var(--border-radius-xl);
}
.photo-viewport {
    position: relative;
    width: 100%;
    height: 65vh;
    min-height: 400px;
    overflow: hidden;
    background: #0a0e27;
}
.photo-viewport .photo-slide {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease;
}
.photo-viewport .photo-slide.active { opacity: 1; z-index: 1; }
.photo-viewport .photo-slide img {
    width: 100%; height: 100%;
    object-fit: cover; object-position: center;
    display: block;
}
.photo-viewport::after {
    display: none;
}

/* ===== 页面统一 Banner（非首页） ===== */
.page-banner-wrap {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 92px var(--spacing-xl) 0;
}
.page-banner-box {
    position: relative;
    width: 100%;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    background: #0a0e27;
}
.page-banner-box img {
    width: 100%;
    height: 100%;
    display: block;
}
@media (max-width: 768px) {
    .page-banner-wrap { padding: 92px var(--spacing-md) 0; }
}

/* ===== Tab 标签栏 ===== */
.tab-bar {
    display: flex; justify-content: center; align-items: center;
    background: #0a0e27;
    padding: 0;
    gap: 0;
}
.tab-btn {
    position: relative;
    padding: 14px 28px;
    font-size: 0.9rem; font-weight: 500;
    color: rgba(148, 163, 184, 0.7);
    background: none; border: none;
    cursor: pointer;
    transition: color 0.3s;
    letter-spacing: 0.5px;
}
.tab-btn:not(:last-child)::after {
    content: ''; position: absolute; right: 0; top: 25%; bottom: 25%;
    width: 1px; background: rgba(255,255,255,0.1);
}
.tab-btn:hover { color: #ffffff; }
.tab-btn.active {
    color: #06b6d4;
}
.tab-btn.active::before {
    content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
    width: 40px; height: 2px;
    background: #06b6d4;
    box-shadow: 0 0 8px rgba(6,182,212,0.5);
    border-radius: 1px;
}

/* ===== 优势展示条 ===== */
.advantage-bar {
    position: relative;
    background: #0d1233;
    padding: 32px 0;
    min-height: 140px;
    display: flex; align-items: center; justify-content: center;
}
.advantage-bar::before {
    content: ''; position: absolute; top: 0;
    left: 50%; transform: translateX(-50%);
    width: 100%; max-width: var(--container-max);
    height: 2px;
    background: linear-gradient(90deg, #3b82f6, #06b6d4, #8b5cf6, #3b82f6);
    background-size: 200% 100%;
    animation: glowShift 4s ease-in-out infinite;
}
@keyframes glowShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.blocks-container { display: flex; width: 100%; max-width: 1200px; margin: 0 auto; }
.block {
    flex: 1; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    padding: 16px 12px; cursor: default;
    border-radius: 6px; transition: all 0.3s ease; position: relative;
}
.block:hover { background: rgba(59, 130, 246, 0.08); }
.block:hover .block-icon svg { transform: scale(1.12); }
.block-icon {
    width: 36px; height: 36px; margin-bottom: 10px;
    filter: drop-shadow(0 0 6px rgba(6, 182, 212, 0.5));
    display: flex; align-items: center; justify-content: center;
}
.block-icon svg {
    width: 36px; height: 36px;
    stroke: #06b6d4; stroke-width: 1.5; fill: none;
    stroke-linecap: round; stroke-linejoin: round;
    transition: transform 0.3s ease;
}
.block-title {
    color: #ffffff; font-weight: 600; font-size: 1.05rem;
    margin-bottom: 4px; text-align: center;
}
.block-subtitle {
    color: rgba(148, 163, 184, 0.8); font-size: 0.72rem;
    letter-spacing: 1.5px; text-transform: uppercase; text-align: center;
}
.block:not(:last-child)::after {
    content: ''; position: absolute; right: 0; top: 15%; bottom: 15%;
    width: 1px; background: linear-gradient(to bottom, transparent, rgba(6, 182, 212, 0.3), transparent);
}

/* Banner 响应式 */
@media (max-width: 768px) {
    .photo-viewport { height: 50vh; min-height: 320px; }
    .tab-btn { padding: 12px 16px; font-size: 0.82rem; }
    .advantage-bar { padding: 24px 0; }
    .block-icon { width: 28px; height: 28px; margin-bottom: 8px; }
    .block-icon svg { width: 28px; height: 28px; }
    .block-title { font-size: 0.9rem; }
    .block-subtitle { font-size: 0.62rem; letter-spacing: 1px; }
    .block { padding: 12px 8px; }
}
@media (max-width: 480px) {
    .photo-viewport { height: 40vh; min-height: 260px; }
    .tab-btn { padding: 10px 10px; font-size: 0.75rem; }
    .advantage-bar { padding: 18px 0; }
    .block-icon { width: 24px; height: 24px; margin-bottom: 6px; }
    .block-icon svg { width: 24px; height: 24px; stroke-width: 2; }
    .block-title { font-size: 0.8rem; }
    .block-subtitle { font-size: 0.56rem; letter-spacing: 0.8px; }
    .block { padding: 10px 4px; }
}

/* Hero动画关键帧（多面板Banner复用） */
@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
@keyframes ring-rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes float-node { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }

/* Hero 背景装饰元素 */
.hero-bg-decor { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; overflow: hidden; }
.hero-bg-circuit { position: absolute; top: 8%; right: 3%; width: 280px; height: 280px; opacity: 0.04; z-index: 1; }
.hero-bg-particle { position: absolute; border-radius: 50%; opacity: 0.3; animation: particle-float 8s ease-in-out infinite; z-index: 1; }
.hero-bg-particle-1 { width: 6px; height: 6px; background: var(--color-accent-cyan); top: 15%; left: 8%; animation-delay: 0s; }
.hero-bg-particle-2 { width: 4px; height: 4px; background: var(--color-accent-blue); top: 22%; right: 12%; animation-delay: 1s; }
.hero-bg-particle-3 { width: 8px; height: 8px; background: var(--color-accent-purple); bottom: 28%; left: 18%; animation-delay: 2s; }
.hero-bg-particle-4 { width: 5px; height: 5px; background: var(--color-accent-cyan); bottom: 18%; right: 22%; animation-delay: 3s; }
.hero-bg-particle-5 { width: 3px; height: 3px; background: var(--color-accent-blue); top: 45%; left: 48%; animation-delay: 1.5s; }
.hero-bg-particle-6 { width: 7px; height: 7px; background: var(--color-accent-purple); top: 60%; right: 35%; animation-delay: 4s; }
@keyframes particle-float { 0%, 100% { transform: translateY(0); opacity: 0.3; } 50% { transform: translateY(-30px); opacity: 0.6; } }

/* ===== 优势板块 ===== */
.advantages-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md);
}
.advantage-card {
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg); padding: var(--spacing-lg);
    transition: all var(--transition-normal); position: relative; overflow: hidden;
}
.advantage-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-cyan));
    transform: scaleX(0); transform-origin: left; transition: transform var(--transition-normal);
}
.advantage-card:hover { transform: translateY(-4px); border-color: rgba(var(--rgb-accent-blue), 0.3); box-shadow: var(--shadow-card-hover); }
.advantage-card:hover::before { transform: scaleX(1); }
.advantage-card-icon {
    width: 52px; height: 52px; border-radius: var(--border-radius-sm);
    background: linear-gradient(135deg, rgba(var(--rgb-accent-blue), 0.15), rgba(var(--rgb-accent-cyan), 0.15));
    display: flex; align-items: center; justify-content: center; margin-bottom: var(--spacing-sm);
}
.advantage-card-title { font-size: 1.15rem; font-weight: 700; margin-bottom: var(--spacing-xs); color: var(--color-text-primary); }
.advantage-card-desc { font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.7; }

/* ===== 流程步骤（紧凑同行展示） ===== */
.process-flow { display: flex; align-items: center; justify-content: center; gap: var(--spacing-xs); flex-wrap: nowrap; margin-bottom: var(--spacing-xl); }
.process-step { display: flex; flex-direction: column; align-items: center; gap: var(--spacing-xs); min-width: 0; flex: 1; max-width: 150px; }
.process-step-icon {
    width: 78px; height: 78px; border-radius: 50%;
    background: var(--color-card-bg); border: 2px solid var(--color-border-strong);
    display: flex; align-items: center; justify-content: center;
    transition: all var(--transition-normal); position: relative;
}
.process-step-icon::after {
    content: ''; position: absolute; inset: -5px; border-radius: 50%;
    border: 1px solid rgba(var(--rgb-accent-blue), 0.15); opacity: 0; transition: opacity var(--transition-normal);
}
.process-step:hover .process-step-icon { border-color: var(--color-accent-blue); box-shadow: 0 0 20px var(--color-glow-blue); transform: scale(1.1); }
.process-step:hover .process-step-icon::after { opacity: 1; }
.process-step-text { font-size: 0.85rem; font-weight: 600; color: var(--color-text-primary); text-align: center; }
.process-step-desc { font-size: 0.7rem; color: var(--color-text-secondary); text-align: center; line-height: 1.4; max-width: 130px; }
.process-arrow { width: 28px; height: 2px; background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-cyan)); position: relative; flex-shrink: 0; }
.process-arrow::after { content: ''; position: absolute; right: -4px; top: -3px; border: 4px solid transparent; border-left-color: var(--color-accent-cyan); }

/* ===== 服务领域 + 悬浮交互（卡片内容变换） ===== */
.service-domains { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-md); }
.domain-card {
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg); padding: var(--spacing-lg);
    text-align: center; cursor: pointer; position: relative; overflow: hidden;
    transition: all var(--transition-normal); min-height: 280px;
    display: flex; flex-direction: column; align-items: center; justify-content: flex-start;
}
.domain-card:hover {
    transform: translateY(-6px); border-color: var(--color-accent-cyan);
    box-shadow: 0 8px 40px rgba(var(--rgb-accent-cyan), 0.2);
    background: linear-gradient(135deg, rgba(var(--rgb-card-hover), 0.95), rgba(var(--rgb-card), 0.9));
}
/* 默认内容层 */
.domain-card-default { transition: opacity 0.3s ease, transform 0.3s ease; }
.domain-card:hover .domain-card-default { opacity: 0; transform: translateY(-10px); pointer-events: none; }
.domain-card-icon { width: 64px; height: 64px; margin: 0 auto var(--spacing-sm); display: flex; align-items: center; justify-content: center; }
.domain-card-icon svg { width: 100%; height: 100%; }
.domain-card-title { font-size: 1.1rem; font-weight: 700; margin-bottom: var(--spacing-xs); color: var(--color-text-primary); }
.domain-card-desc { font-size: 0.85rem; color: var(--color-text-secondary); line-height: 1.6; text-align: left; }
.domain-card-cta { margin-top: auto; padding-top: var(--spacing-sm); font-size: 0.8rem; color: var(--color-accent-cyan); display: flex; align-items: center; gap: 4px; }
/* 悬浮变换子类目层（卡片内部） */
.domain-card-subcategories {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    padding: var(--spacing-md); display: flex; flex-direction: column;
    opacity: 0; transform: translateY(20px); transition: all 0.3s ease;
    pointer-events: none; justify-content: center;
}
.domain-card:hover .domain-card-subcategories { opacity: 1; transform: translateY(0); pointer-events: auto; }
.domain-subcategory-title { font-size: 0.9rem; font-weight: 700; color: var(--color-accent-cyan); margin-bottom: var(--spacing-sm); text-align: center; display: flex; align-items: center; justify-content: center; gap: 6px; }
.domain-subcategory-title::before, .domain-subcategory-title::after { content: ''; width: 12px; height: 1px; background: var(--color-accent-cyan); opacity: 0.5; }
.domain-subcategory-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; }
.domain-subcategory-item {
    padding: 8px 4px; border-radius: 20px; font-size: 0.75rem; text-align: center;
    color: var(--color-text-secondary); background: rgba(var(--rgb-accent-blue), 0.08);
    border: 1px solid rgba(var(--rgb-accent-blue), 0.12); transition: all var(--transition-fast);
}
.domain-subcategory-item:hover { color: var(--color-text-primary); background: rgba(var(--rgb-accent-cyan), 0.2); border-color: rgba(var(--rgb-accent-cyan), 0.4); transform: scale(1.05); }

/* ===== 培训特色 ===== */
.training-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }
.training-feature-card {
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg); padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}
.training-feature-card:hover { transform: translateY(-4px); border-color: rgba(var(--rgb-accent-purple), 0.3); box-shadow: var(--shadow-card-hover); }
.training-feature-icon { width: 52px; height: 52px; border-radius: var(--border-radius-sm); background: rgba(var(--rgb-accent-purple), 0.1); display: flex; align-items: center; justify-content: center; margin-bottom: var(--spacing-sm); }
.training-feature-title { font-size: 1.15rem; font-weight: 700; margin-bottom: var(--spacing-xs); }
.training-feature-desc { font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.7; }

/* ===== 培训案例 ===== */
/* ===== 培训案例 - 无限循环轮播 ===== */
.training-cases-carousel {
    position: relative; overflow: hidden; margin-bottom: var(--spacing-lg);
    mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}
.training-cases-track {
    display: flex; gap: var(--spacing-md); width: max-content;
    animation: cases-scroll 40s linear infinite;
}
.training-cases-carousel:hover .training-cases-track { animation-play-state: paused; }
@keyframes cases-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}
.training-case-card {
    flex: 0 0 480px; display: flex; gap: var(--spacing-md);
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg); padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}
.training-case-card:hover { border-color: rgba(var(--rgb-accent-blue), 0.3); box-shadow: var(--shadow-card-hover); transform: translateY(-4px); }
.training-case-badge {
    width: 48px; height: 48px; border-radius: var(--border-radius-sm); flex-shrink: 0;
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-purple));
    display: flex; align-items: center; justify-content: center;
}
.training-case-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.training-case-company { font-size: 0.82rem; color: var(--color-accent-cyan); margin-bottom: var(--spacing-xs); }
.training-case-desc { font-size: 0.88rem; color: var(--color-text-secondary); line-height: 1.7; }
.news-tag {
    display: inline-block; padding: 4px 12px; border-radius: 20px; margin-top: var(--spacing-xs);
    background: rgba(var(--rgb-accent-blue), 0.1); border: 1px solid rgba(var(--rgb-accent-blue), 0.2);
    color: var(--color-accent-blue); font-size: 0.78rem;
}

/* ===== 课程轮播 ===== */
.course-carousel { position: relative; margin-bottom: var(--spacing-lg); }
.course-carousel-viewport { overflow: hidden; padding: 20px 0; }
.course-carousel-track { display: flex; gap: var(--spacing-md); transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.course-carousel-slide {
    flex: 0 0 calc((100% - var(--spacing-md) * 2) / 3);
    min-width: calc((100% - var(--spacing-md) * 2) / 3);
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg); overflow: hidden;
    transition: all var(--transition-normal);
}
.course-carousel-slide:hover { border-color: rgba(var(--rgb-accent-blue), 0.3); box-shadow: var(--shadow-card-hover); }
.course-carousel-header {
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, rgba(var(--rgb-accent-blue), 0.12), rgba(var(--rgb-accent-purple), 0.08));
    border-bottom: 1px solid var(--color-border);
    display: flex; align-items: center; justify-content: space-between;
}
.course-carousel-title { font-size: 0.95rem; font-weight: 700; color: var(--color-text-primary); }
.course-carousel-badge { padding: 3px 10px; border-radius: 12px; font-size: 0.72rem; background: rgba(var(--rgb-accent-cyan), 0.12); color: var(--color-accent-cyan); border: 1px solid rgba(var(--rgb-accent-cyan), 0.2); white-space: nowrap; }
.course-carousel-image { width: 100%; display: block; }
/* 轮播按钮 - 更大更醒目 */
.course-carousel-btn {
    position: absolute; top: 50%; transform: translateY(-50%); z-index: 10;
    width: 52px; height: 52px; border-radius: 50%;
    background: linear-gradient(135deg, rgba(var(--rgb-accent-blue), 0.9), rgba(var(--rgb-accent-cyan), 0.9));
    border: 2px solid rgba(var(--rgb-accent-blue), 0.4);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: all var(--transition-normal);
    backdrop-filter: blur(10px); color: #fff;
    box-shadow: 0 4px 20px rgba(var(--rgb-accent-blue), 0.3);
}
.course-carousel-btn:hover {
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-cyan));
    border-color: var(--color-accent-cyan);
    transform: translateY(-50%) scale(1.15);
    box-shadow: 0 6px 30px rgba(var(--rgb-accent-blue), 0.5);
}
.course-carousel-btn.prev { left: -10px; }
.course-carousel-btn.next { right: -10px; }
/* 轮播指示点 */
.course-carousel-dots { display: flex; justify-content: center; gap: 8px; margin-top: var(--spacing-md); }
.course-carousel-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-border-strong); cursor: pointer; transition: all var(--transition-fast); }
.course-carousel-dot.active { width: 24px; border-radius: 4px; background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-cyan)); }

/* 课程宣传横幅 */
.course-banners { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-md); margin-bottom: var(--spacing-lg); }
.course-banner-card {
    border-radius: var(--border-radius-lg); overflow: hidden;
    border: 1px solid var(--color-border); transition: all var(--transition-normal);
}
.course-banner-card:hover { border-color: rgba(var(--rgb-accent-blue), 0.3); box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
.course-banner-card img { width: 100%; display: block; transition: transform var(--transition-normal); }
.course-banner-card:hover img { transform: scale(1.03); }

/* 讲师介绍 */
.instructor-card {
    display: flex; gap: var(--spacing-lg); align-items: center;
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg); padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}
.instructor-avatar {
    width: 300px; height: 400px; border-radius: var(--border-radius-md); flex-shrink: 0;
    overflow: hidden; border: 2px solid rgba(var(--rgb-accent-blue), 0.3);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
}
.instructor-avatar img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.instructor-info { flex: 1; }
.instructor-name { font-size: 1.4rem; font-weight: 800; margin-bottom: 4px; }
.instructor-title { font-size: 0.9rem; color: var(--color-accent-cyan); margin-bottom: var(--spacing-sm); }
.instructor-credentials { display: flex; flex-wrap: wrap; gap: 8px; }
.instructor-credential {
    padding: 4px 12px; border-radius: 16px; font-size: 0.78rem;
    background: rgba(var(--rgb-accent-blue), 0.08); border: 1px solid rgba(var(--rgb-accent-blue), 0.15);
    color: var(--color-text-secondary);
}

/* 企业培训价目表 */
.course-pricing-card {
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg); overflow: hidden;
}
.course-pricing-card img { width: 100%; display: block; }

/* ===== 软件功能矩阵 ===== */
.software-matrix { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-md); margin-bottom: var(--spacing-lg); }
.software-function-block {
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg); padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}
.software-function-block:hover { border-color: rgba(var(--rgb-accent-blue), 0.3); box-shadow: var(--shadow-card-hover); }
.software-function-header { display: flex; align-items: center; gap: var(--spacing-sm); margin-bottom: var(--spacing-md); }
.software-function-icon { width: 44px; height: 44px; border-radius: var(--border-radius-sm); background: rgba(var(--rgb-accent-cyan), 0.1); display: flex; align-items: center; justify-content: center; }
.software-function-title { font-size: 1.1rem; font-weight: 700; flex: 1; }
.software-function-tag { padding: 3px 10px; border-radius: 12px; font-size: 0.72rem; font-weight: 600; background: rgba(var(--rgb-accent-blue), 0.12); color: var(--color-accent-blue); letter-spacing: 1px; }
.software-function-items { display: flex; flex-direction: column; gap: var(--spacing-sm); }
.software-function-item { display: flex; align-items: flex-start; gap: var(--spacing-sm); font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.6; }
.software-function-item-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent-blue); margin-top: 8px; flex-shrink: 0; }

/* 多模型协同 - 大气版 */
.model-cooperation {
    display: flex; align-items: stretch; justify-content: center;
    gap: var(--spacing-sm); flex-wrap: nowrap;
}
.model-card {
    flex: 1; min-width: 200px; max-width: 320px;
    background: linear-gradient(160deg, var(--color-card-bg), rgba(var(--rgb-card-hover), 0.5));
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-xl); padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
    text-align: center; transition: all var(--transition-normal);
    position: relative; overflow: hidden;
}
.model-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--mc-accent, var(--color-accent-blue)), var(--mc-accent-2, var(--color-accent-cyan)));
    opacity: 0.7; transition: opacity var(--transition-normal);
}
.model-card::after {
    content: ''; position: absolute; bottom: -60px; right: -60px;
    width: 140px; height: 140px; border-radius: 50%;
    background: radial-gradient(circle, rgba(var(--mc-rgb, var(--rgb-accent-blue)), 0.08), transparent 70%);
    pointer-events: none;
}
.model-card:hover { transform: translateY(-6px); border-color: rgba(var(--mc-rgb, var(--rgb-accent-blue)), 0.4); box-shadow: 0 8px 40px rgba(var(--mc-rgb, var(--rgb-accent-blue)), 0.15); }
.model-card:hover::before { opacity: 1; }
.model-card-step {
    position: absolute; top: 14px; right: 16px;
    font-size: 0.7rem; font-weight: 800; letter-spacing: 1px;
    color: rgba(var(--mc-rgb, var(--rgb-accent-blue)), 0.4);
}
.model-card-icon {
    width: 72px; height: 72px; margin: 0 auto var(--spacing-md);
    border-radius: 20px; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, rgba(var(--mc-rgb, var(--rgb-accent-blue)), 0.18), rgba(var(--mc-rgb, var(--rgb-accent-blue)), 0.06));
    border: 1px solid rgba(var(--mc-rgb, var(--rgb-accent-blue)), 0.25);
    transition: all var(--transition-normal);
}
.model-card:hover .model-card-icon { transform: scale(1.08); box-shadow: 0 0 24px rgba(var(--mc-rgb, var(--rgb-accent-blue)), 0.25); }
.model-card-icon svg { width: 36px; height: 36px; }
.model-card-name { font-size: 1.2rem; font-weight: 800; margin-bottom: var(--spacing-xs); }
.model-card-desc { font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.65; min-height: 3.3em; }
.model-card-tag {
    display: inline-block; margin-top: var(--spacing-sm);
    padding: 5px 16px; border-radius: 20px; font-size: 0.76rem; font-weight: 600;
    background: rgba(var(--mc-rgb, var(--rgb-accent-blue)), 0.12);
    color: var(--mc-accent, var(--color-accent-blue));
    border: 1px solid rgba(var(--mc-rgb, var(--rgb-accent-blue)), 0.15);
}
.model-card--cyan { --mc-rgb: var(--rgb-accent-cyan); --mc-accent: var(--color-accent-cyan); --mc-accent-2: var(--color-accent-blue); }
.model-card--blue { --mc-rgb: var(--rgb-accent-blue); --mc-accent: var(--color-accent-blue); --mc-accent-2: var(--color-accent-purple); }
.model-card--green { --mc-rgb: 16, 185, 129; --mc-accent: #10b981; --mc-accent-2: var(--color-accent-cyan); }
.model-coop-symbol {
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem; font-weight: 300; color: var(--color-text-muted);
    min-width: 36px; opacity: 0.5;
}

/* ===== 质疑板块 ===== */
.challenge-flow-visual { display: flex; align-items: center; justify-content: center; gap: var(--spacing-xl); margin-bottom: var(--spacing-xl); }
.challenge-position {
    text-align: center; padding: var(--spacing-lg) var(--spacing-xl);
    border: 1px solid var(--color-border-strong); border-radius: var(--border-radius-lg);
    background: var(--color-card-bg);
}
.challenge-position-rank { font-size: 2rem; font-weight: 900; margin-bottom: 4px; }
.challenge-position-rank.second { color: var(--color-accent-cyan); }
.challenge-position-rank.first { color: var(--color-accent-orange); }
.challenge-position-label { font-size: 0.9rem; color: var(--color-text-secondary); }
.challenge-vs-symbol { font-size: 1.5rem; font-weight: 900; color: var(--color-text-muted); }
.challenge-services { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }
.challenge-service-card {
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg); padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}
.challenge-service-card:hover { transform: translateY(-4px); border-color: rgba(249, 115, 22, 0.3); box-shadow: 0 8px 40px rgba(249, 115, 22, 0.1); }
.challenge-service-icon { width: 48px; height: 48px; border-radius: var(--border-radius-sm); background: rgba(249, 115, 22, 0.1); display: flex; align-items: center; justify-content: center; margin-bottom: var(--spacing-sm); }
.challenge-service-title { font-size: 1.1rem; font-weight: 700; margin-bottom: var(--spacing-xs); }
.challenge-service-desc { font-size: 0.88rem; color: var(--color-text-secondary); line-height: 1.7; }

/* ===== 案例展示 ===== */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }
.case-card {
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg); overflow: hidden;
    transition: all var(--transition-normal); cursor: pointer;
}
.case-card:hover { transform: translateY(-4px); border-color: rgba(var(--rgb-accent-blue), 0.3); box-shadow: var(--shadow-card-hover); }
.case-card-image { width: 100%; aspect-ratio: 3/4; overflow: hidden; background: var(--color-primary-blue); }
@supports not (aspect-ratio: 3/4) { .case-card-image { height: 300px; } }
.case-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.case-card:hover .case-card-image img { transform: scale(1.05); }
.case-card-overlay {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(transparent, rgba(var(--rgb-overlay), 0.9));
    color: var(--color-text-primary); font-size: 0.85rem; font-weight: 600;
}
.case-card-wrapper { position: relative; }

/* 证书展示 - 无限循环轮播（渐变光效版） */
.cert-certificates {
    position: relative; margin-top: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    overflow: hidden;
}
.cert-certificates::before, .cert-certificates::after {
    content: ''; position: absolute; top: 0; bottom: 0; width: 80px; z-index: 5; pointer-events: none;
}
.cert-certificates::before {
    left: 0; background: linear-gradient(90deg, var(--color-primary-dark) 20%, transparent);
}
.cert-certificates::after {
    right: 0; background: linear-gradient(270deg, var(--color-primary-dark) 20%, transparent);
}
.cert-certificates-track {
    display: flex; gap: var(--spacing-lg); width: max-content;
    animation: certificates-scroll 40s linear infinite;
    overflow: visible;
}
.cert-certificates:hover .cert-certificates-track { animation-play-state: paused; }
@keyframes certificates-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}
.cert-card {
    flex: 0 0 300px;
    background: linear-gradient(145deg, rgba(var(--rgb-card), 0.9), rgba(var(--rgb-card-hover), 0.8));
    border: 1px solid rgba(var(--rgb-accent-blue), 0.15);
    border-radius: var(--border-radius-lg); overflow: hidden;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    position: relative;
}
.cert-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-cyan), var(--color-accent-purple));
    opacity: 0; transition: opacity var(--transition-normal);
}
.cert-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(var(--rgb-accent-blue), 0.4);
    box-shadow: 0 12px 40px rgba(var(--rgb-accent-blue), 0.2);
}
.cert-card:hover::before { opacity: 1; }
.cert-card img { width: 100%; height: 200px; object-fit: cover; object-position: center; }
.cert-card-label {
    padding: var(--spacing-sm) var(--spacing-sm); font-size: 0.85rem; font-weight: 500;
    color: var(--color-text-primary); text-align: center;
    border-top: 1px solid rgba(var(--rgb-accent-blue), 0.1);
    background: rgba(var(--rgb-overlay), 0.4);
}

/* ===== 新闻动态 ===== */
.news-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.news-card {
    display: flex; flex-direction: column;
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    text-decoration: none;
    color: inherit;
}
.news-card:hover {
    border-color: rgba(var(--rgb-accent-blue), 0.3);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
}
.news-card-cover {
    width: 100%; height: 180px;
    overflow: hidden; background: #0a0e27;
}
.news-card-cover img {
    width: 100%; height: 100%;
    object-fit: cover; display: block;
    transition: transform 0.4s ease;
}
.news-card:hover .news-card-cover img { transform: scale(1.08); }
.news-card-cover-placeholder {
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(139,92,246,0.1));
}
.news-card-cover-placeholder span {
    font-size: 2.5rem; font-weight: 900;
    color: rgba(59,130,246,0.25);
    letter-spacing: 2px;
}
.news-card-body {
    padding: 18px 20px 20px;
    flex: 1; display: flex; flex-direction: column;
}
.news-card-cat {
    display: inline-block;
    font-size: 0.75rem; font-weight: 600;
    color: var(--color-accent-cyan);
    background: rgba(6,182,212,0.1);
    padding: 2px 10px; border-radius: 10px;
    margin-bottom: 10px; width: fit-content;
}
.news-card-title {
    font-size: 1rem; font-weight: 700;
    line-height: 1.5; margin-bottom: 8px;
    transition: color var(--transition-fast);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card:hover .news-card-title { color: var(--color-accent-cyan); }
.news-card-summary {
    font-size: 0.85rem; color: var(--color-text-secondary);
    line-height: 1.6; flex: 1;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card-footer {
    display: flex; align-items: center;
    margin-top: 12px; padding-top: 12px;
    border-top: 1px solid var(--color-border);
}
.news-card-date {
    font-size: 0.8rem; color: var(--color-text-muted);
}
@media (max-width: 980px) {
    .news-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .news-list { grid-template-columns: 1fr; }
    .news-card-cover { height: 160px; }
}

/* ===== 联系我们（城市背景+地图） ===== */
.contact-section { position: relative; overflow: hidden; }
.contact-section-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background:
        linear-gradient(180deg, rgba(var(--rgb-overlay), 0.85) 0%, rgba(var(--rgb-card), 0.9) 100%),
        radial-gradient(ellipse at 30% 70%, rgba(var(--rgb-accent-blue), 0.15) 0%, transparent 50%);
}
.contact-section-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); align-items: center; }
.contact-info-block { display: flex; flex-direction: column; gap: var(--spacing-md); }
.contact-info-title { font-size: 1.8rem; font-weight: 900; margin-bottom: var(--spacing-xs); }
.contact-info-desc { font-size: 0.95rem; color: var(--color-text-secondary); line-height: 1.7; margin-bottom: var(--spacing-sm); }
.contact-info-item { display: flex; align-items: flex-start; gap: var(--spacing-sm); }
.contact-info-item-icon {
    width: 40px; height: 40px; border-radius: var(--border-radius-sm); flex-shrink: 0;
    background: rgba(var(--rgb-accent-blue), 0.1); border: 1px solid rgba(var(--rgb-accent-blue), 0.2);
    display: flex; align-items: center; justify-content: center;
}
.contact-info-item-text { flex: 1; }
.contact-info-item-label { font-size: 0.78rem; color: var(--color-text-secondary); margin-bottom: 2px; }
.contact-info-item-value { font-size: 0.95rem; font-weight: 600; color: var(--color-text-primary); line-height: 1.5; }
.contact-info-item-value-sub { margin-top: 4px; color: var(--color-accent-blue); font-weight: 600; }
.contact-info-item-value-sub a { color: var(--color-accent-blue); text-decoration: none; }
.contact-info-item-value-sub:hover a { text-decoration: underline; }
.contact-map-block {
    border-radius: var(--border-radius-lg); overflow: hidden;
    border: 1px solid var(--color-border-strong); height: 360px;
    background: var(--color-card-bg); position: relative;
}
.contact-map-block img { width: 100%; height: 100%; object-fit: cover; }
.contact-map-overlay {
    position: absolute; bottom: var(--spacing-md); left: var(--spacing-md);
    background: rgba(var(--rgb-overlay), 0.9); backdrop-filter: blur(10px);
    padding: var(--spacing-sm) var(--spacing-md); border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-border-strong);
}
.contact-map-overlay-title { font-size: 0.9rem; font-weight: 700; color: var(--color-text-primary); }
.contact-map-overlay-desc { font-size: 0.78rem; color: var(--color-text-secondary); margin-top: 2px; }
/* ===== 页脚 ===== */
.footer { background: var(--color-primary-blue); border-top: 1px solid var(--color-border); padding: var(--spacing-xxl) 0 var(--spacing-md); }
.footer-inner {
    max-width: var(--container-max); margin: 0 auto; padding: 0 var(--spacing-xl);
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--spacing-xl);
}
.footer-brand-logo { display: flex; align-items: center; gap: var(--spacing-sm); margin-bottom: var(--spacing-sm); }
.footer-brand-name { font-size: 1.1rem; font-weight: 700; }
.footer-brand-desc { font-size: 0.85rem; color: var(--color-text-secondary); line-height: 1.7; }
.footer-column-title { font-size: 1rem; font-weight: 700; margin-bottom: var(--spacing-sm); color: var(--color-text-primary); }
.footer-link-list { display: flex; flex-direction: column; gap: var(--spacing-xs); }
.footer-link-item { font-size: 0.85rem; color: var(--color-text-secondary); transition: color var(--transition-fast); }
.footer-link-item:hover { color: var(--color-accent-cyan); }
.footer-contact-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2px 6px;
    font-size: 0.85rem; color: var(--color-text-secondary);
}
.footer-contact-label {
    white-space: nowrap; text-align: right; padding-right: 4px;
}
.footer-contact-val {
    /* phone rows: nowrap to prevent wrapping */
    white-space: nowrap;
}
/* address row is the last child — allow it to wrap naturally */
.footer-contact-grid > .footer-contact-val:last-child {
    white-space: normal; word-break: break-all;
}
.footer-bottom {
    max-width: var(--container-max); margin: var(--spacing-lg) auto 0; padding: var(--spacing-md) var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.8rem; color: var(--color-text-muted);
}
.footer-icp { color: var(--color-text-muted); text-decoration: none; transition: color 0.2s; }
.footer-icp:hover { color: var(--color-accent-cyan); text-decoration: underline; }

/* ===== 右侧悬浮联系组件 ===== */
.floating-widget {
    position: fixed; bottom: 24px; right: 24px; z-index: 999;
    display: flex; flex-direction: column; align-items: flex-end; gap: 12px;
}
/* 返回顶部按钮 */
.back-to-top {
    width: 44px; height: 44px; border-radius: 50%;
    background: rgba(var(--rgb-overlay), 0.85); backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: all var(--transition-normal);
    opacity: 0; visibility: hidden; transform: translateY(8px);
    color: var(--color-text-secondary);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: rgba(var(--rgb-accent-blue), 0.2); border-color: var(--color-accent-blue); color: var(--color-accent-blue); transform: translateY(0) scale(1.08); }
@media (max-width: 768px) {
    .back-to-top { width: 40px; height: 40px; }
}
.floating-widget-trigger {
    width: 45px; height: 45px; border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-cyan));
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: all var(--transition-normal);
    box-shadow: 0 4px 20px rgba(var(--rgb-accent-blue), 0.4);
    position: relative;
}
.floating-widget-trigger:hover { transform: scale(1.1); box-shadow: 0 6px 30px rgba(var(--rgb-accent-blue), 0.6); }
.floating-widget-trigger.active { transform: rotate(135deg); }
.floating-widget-panel {
    width: 280px; border-radius: var(--border-radius-lg);
    background: rgba(var(--rgb-overlay), 0.95); backdrop-filter: blur(20px);
    border: 1px solid var(--color-border-strong);
    padding: var(--spacing-md); box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
    display: none; flex-direction: column; gap: var(--spacing-sm);
    animation: widget-slide-in 0.3s ease;
}
.floating-widget-panel.show { display: flex; }
@keyframes widget-slide-in {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.floating-widget-header {
    font-size: 0.9rem; font-weight: 700; color: var(--color-text-primary);
    padding-bottom: var(--spacing-xs); border-bottom: 1px solid var(--color-border);
    display: flex; align-items: center; gap: 8px;
}
.floating-widget-qr-row { display: flex; gap: var(--spacing-sm); }
.floating-widget-qr-item { text-align: center; flex: 1; }
.floating-widget-qr-img {
    width: 110px; height: 110px; border-radius: var(--border-radius-sm);
    background: rgba(255,255,255,0.05); border: 1px solid var(--color-border);
    overflow: hidden; margin: 0 auto 6px;
}
.floating-widget-qr-img img { width: 100%; height: 100%; object-fit: cover; }
.floating-widget-qr-label { font-size: 0.72rem; color: var(--color-text-secondary); }
.floating-widget-wechat {
    display: flex; align-items: center; gap: 8px;
    padding: var(--spacing-xs) var(--spacing-sm); border-radius: var(--border-radius-sm);
    background: rgba(16, 185, 129, 0.08); border: 1px solid rgba(16, 185, 129, 0.15);
}
.floating-widget-wechat-icon { flex-shrink: 0; }
.floating-widget-wechat-text { font-size: 0.82rem; color: var(--color-accent-green); font-weight: 600; }
.floating-widget-phone {
    display: flex; align-items: center; gap: 8px;
    padding: var(--spacing-xs) var(--spacing-sm); border-radius: var(--border-radius-sm);
    background: rgba(var(--rgb-accent-blue), 0.08); border: 1px solid rgba(var(--rgb-accent-blue), 0.15);
}
.floating-widget-phone-text { font-size: 0.82rem; color: var(--color-accent-blue); font-weight: 600; }
.floating-widget-cta {
    padding: var(--spacing-xs) var(--spacing-sm); border-radius: var(--border-radius-sm);
    background: linear-gradient(135deg, rgba(var(--rgb-accent-blue), 0.1), rgba(var(--rgb-accent-cyan), 0.1));
    border: 1px solid rgba(var(--rgb-accent-blue), 0.2);
    font-size: 0.8rem; color: var(--color-text-primary); text-align: center; line-height: 1.5;
}

/* ===== About 页面样式 ===== */
/* 公司简介 */
.about-intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); align-items: center; }
.about-intro-text p { color: var(--color-text-secondary); font-size: 0.95rem; line-height: 1.9; margin-bottom: var(--spacing-sm); }
.about-intro-stats { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-md); }
.about-intro-stat {
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md); padding: var(--spacing-md); text-align: center;
}
.about-intro-stat-number {
    font-size: 2rem; font-weight: 900;
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-cyan));
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.about-intro-stat-label { font-size: 0.85rem; color: var(--color-text-secondary); margin-top: 4px; }
.about-intro-image { border-radius: var(--border-radius-lg); overflow: hidden; border: 1px solid var(--color-border); }
.about-intro-image img { width: 100%; display: block; }

/* 发展历程时间轴 */
.timeline { position: relative; max-width: 800px; margin: 0 auto; padding-left: 40px; }
.timeline::before { content: ''; position: absolute; left: 12px; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--color-accent-blue), var(--color-accent-purple), transparent); }
.timeline-item { position: relative; margin-bottom: var(--spacing-lg); }
.timeline-item::before {
    content: ''; position: absolute; left: -34px; top: 6px; width: 12px; height: 12px;
    border-radius: 50%; background: var(--color-accent-blue); border: 2px solid var(--color-primary-dark);
    box-shadow: 0 0 10px var(--color-glow-blue);
}
.timeline-year { font-size: 1.3rem; font-weight: 800; color: var(--color-accent-cyan); margin-bottom: 4px; }
.timeline-content { font-size: 0.95rem; color: var(--color-text-secondary); line-height: 1.7; }

/* 主营业务 */
.business-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }
.business-card {
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg); padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}
.business-card:hover { transform: translateY(-4px); border-color: rgba(var(--rgb-accent-blue), 0.3); box-shadow: var(--shadow-card-hover); }
.business-card-icon { width: 48px; height: 48px; border-radius: var(--border-radius-sm); background: rgba(var(--rgb-accent-blue), 0.1); display: flex; align-items: center; justify-content: center; margin-bottom: var(--spacing-sm); }
.business-card-title { font-size: 1.05rem; font-weight: 700; margin-bottom: var(--spacing-xs); }
.business-card-desc { font-size: 0.85rem; color: var(--color-text-secondary); line-height: 1.7; }

/* 团队展示 */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }
.team-card {
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg); overflow: hidden;
    transition: all var(--transition-normal);
}
.team-card:hover { transform: translateY(-4px); border-color: rgba(var(--rgb-accent-blue), 0.3); box-shadow: var(--shadow-card-hover); }
.team-card-image { width: 100%; aspect-ratio: 1/1; overflow: hidden; background: var(--color-primary-blue); position: relative; }
@supports not (aspect-ratio: 1/1) { .team-card-image { height: 200px; } }
.team-card-image img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.team-card-info { padding: var(--spacing-sm) var(--spacing-md); }
.team-card-name { font-size: 1.05rem; font-weight: 700; margin-bottom: 2px; }
.team-card-role { font-size: 0.8rem; color: var(--color-accent-cyan); margin-bottom: var(--spacing-xs); }
.team-card-desc { font-size: 0.78rem; color: var(--color-text-secondary); line-height: 1.5; }
.team-section-title { font-size: 1.3rem; font-weight: 700; margin: var(--spacing-xl) 0 var(--spacing-md); text-align: center; }

/* 办公环境 */
.office-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-sm); }
.office-card {
    border-radius: var(--border-radius-md); overflow: hidden;
    border: 1px solid var(--color-border); transition: all var(--transition-normal);
    aspect-ratio: 4/3;
}
@supports not (aspect-ratio: 4/3) { .office-card { height: 250px; } }
.office-card:hover { border-color: rgba(var(--rgb-accent-blue), 0.3); transform: scale(1.02); }
.office-card img { width: 100%; height: 100%; object-fit: cover; }

/* 企业文化 */
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }
.culture-card {
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg); padding: var(--spacing-lg); text-align: center;
    transition: all var(--transition-normal);
}
.culture-card:hover { transform: translateY(-4px); border-color: rgba(var(--rgb-accent-purple), 0.3); box-shadow: var(--shadow-card-hover); }
.culture-card-icon { font-size: 2rem; margin-bottom: var(--spacing-sm); }
.culture-card-title { font-size: 1.1rem; font-weight: 700; margin-bottom: var(--spacing-xs); }
.culture-card-desc { font-size: 0.88rem; color: var(--color-text-secondary); line-height: 1.7; }

/* 联系方式 */
.about-contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }
.about-contact-card {
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg); padding: var(--spacing-lg);
    display: flex; align-items: center; gap: var(--spacing-md);
    transition: all var(--transition-normal);
}
.about-contact-card:hover { border-color: rgba(var(--rgb-accent-blue), 0.3); box-shadow: var(--shadow-card-hover); }
.about-contact-icon { width: 48px; height: 48px; border-radius: var(--border-radius-sm); background: rgba(var(--rgb-accent-blue), 0.1); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.about-contact-label { font-size: 0.8rem; color: var(--color-text-secondary); }
.about-contact-value { font-size: 0.95rem; font-weight: 600; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .navbar-menu { display: none; }
    .navbar-mobile-toggle, .navbar-toggle { display: flex; align-items: center; justify-content: center; }
    .navbar-menu.mobile-open {
        display: flex; flex-direction: column; position: fixed; top: 70px; left: 0; right: 0;
        background: rgba(var(--rgb-overlay), 0.98); backdrop-filter: blur(20px);
        padding: var(--spacing-lg); gap: var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
    }
    .hero-title { font-size: 2.2rem; }
    .hero-visual { width: 160px; height: 160px; }
    .hero-visual-core { font-size: 2.5rem; }
    .section-title { font-size: 1.7rem; }
    .advantages-grid { grid-template-columns: 1fr 1fr; }
    .service-domains { grid-template-columns: 1fr 1fr; }
    .training-features { grid-template-columns: 1fr; }
    .training-cases { grid-template-columns: 1fr; }
    .course-carousel-slide { flex: 0 0 calc((100% - var(--spacing-md)) / 2); min-width: calc((100% - var(--spacing-md)) / 2); }
    .course-banners { grid-template-columns: 1fr; }
    .software-matrix { grid-template-columns: 1fr; }
    .challenge-services { grid-template-columns: 1fr; }
    .cases-grid { grid-template-columns: 1fr 1fr; }
    .certificates-grid { grid-template-columns: 1fr 1fr; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .contact-section-grid { grid-template-columns: 1fr; }
    .about-intro-grid { grid-template-columns: 1fr; }
    .business-grid { grid-template-columns: 1fr 1fr; }
    .team-grid { grid-template-columns: 1fr 1fr; }
    .office-grid { grid-template-columns: 1fr 1fr; }
    .culture-grid { grid-template-columns: 1fr; }
    .about-contact-grid { grid-template-columns: 1fr; }
    .instructor-card { flex-direction: column; text-align: center; }
    .instructor-credentials { justify-content: center; }
    .instructor-avatar { width: 240px; height: 320px; }
}

@media (max-width: 768px) {
    .navbar { padding: var(--spacing-sm) var(--spacing-md); }
    .navbar-logo-text { font-size: 1rem; }
    .navbar-phone-group { gap: 6px; }
    .phone-icon-ring { width: 16px; height: 16px; }
    .navbar-phone-hotline-text { font-size: 0.72rem; }
    .navbar-phone-main-btn { padding: 5px 12px; font-size: 0.72rem; }
    .hero { padding: 100px var(--spacing-md) var(--spacing-xl); }
    .hero-title { font-size: 1.8rem; }
    .hero-subtitle { font-size: 0.95rem; }
    .hero-stats { gap: var(--spacing-md); }
    .hero-stat-number { font-size: 1.6rem; }
    .section { padding: var(--spacing-xl) 0; }
    .section-inner { padding: 0 var(--spacing-md); }
    .section-title { font-size: 1.4rem; }
    .advantages-grid { grid-template-columns: 1fr; }
    .service-domains { grid-template-columns: 1fr; }
    .cases-grid { grid-template-columns: 1fr; }
    .certificates-grid { grid-template-columns: 1fr 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: var(--spacing-md); }
    .footer-bottom { flex-direction: column; gap: var(--spacing-xs); text-align: center; }
    .business-grid { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: 1fr 1fr; }
    .office-grid { grid-template-columns: 1fr; }
    .course-carousel-slide { flex: 0 0 85%; min-width: 85%; }
    .course-carousel-btn { width: 36px; height: 36px; }
    .course-carousel-btn.prev { left: -10px; }
    .course-carousel-btn.next { right: -10px; }
    .contact-map-block { height: 240px; }
    .domain-subcategory-grid { grid-template-columns: 1fr 1fr; }
    .floating-qr { width: 52px; height: 52px; bottom: 16px; right: 16px; }
    .floating-qr:hover { width: 160px; height: 200px; }
    .floating-qr-img { width: 120px; height: 120px; }
}

/* ===== 关于我们 - 联系我们新布局 ===== */
.about-contact-layout {
    display: grid; grid-template-columns: 1fr auto; gap: var(--spacing-xl); align-items: start;
}
.about-contact-info { display: flex; flex-direction: column; gap: var(--spacing-md); }
.about-contact-item {
    display: flex; align-items: flex-start; gap: var(--spacing-md);
    padding: var(--spacing-md); border-radius: var(--border-radius-md);
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}
.about-contact-item:hover { border-color: rgba(var(--rgb-accent-blue), 0.3); transform: translateX(4px); }
.about-contact-item-icon {
    flex-shrink: 0; width: 44px; height: 44px; border-radius: var(--border-radius-sm);
    background: rgba(var(--rgb-accent-blue), 0.1); border: 1px solid rgba(var(--rgb-accent-blue), 0.2);
    display: flex; align-items: center; justify-content: center;
}
.about-contact-item-content { flex: 1; }
.about-contact-item-label { font-size: 0.8rem; color: var(--color-text-secondary); margin-bottom: 4px; }
.about-contact-item-value { font-size: 0.95rem; color: var(--color-text-primary); line-height: 1.6; }
.about-contact-item-value-sub { margin-top: 4px; color: var(--color-accent-blue); font-weight: 600; }
.about-contact-item-value-sub a { color: var(--color-accent-blue); text-decoration: none; }
.about-contact-item-value-sub:hover a { text-decoration: underline; }
.about-contact-qr-block {
    display: flex; flex-direction: column; align-items: center; gap: var(--spacing-sm);
    padding: var(--spacing-lg); border-radius: var(--border-radius-lg);
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    text-align: center;
}
.about-contact-qr-title { font-size: 0.9rem; font-weight: 600; color: var(--color-text-primary); }
.about-contact-qr-img {
    width: 140px; height: 140px; border-radius: var(--border-radius-sm); overflow: hidden;
    border: 1px solid var(--color-border-strong);
}
.about-contact-qr-img img { width: 100%; height: 100%; object-fit: cover; }
.about-contact-qr-desc { font-size: 0.78rem; color: var(--color-text-secondary); line-height: 1.6; }

/* ===== 价目表表格 ===== */
.course-pricing-table {
    background: var(--color-card-bg); border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md); overflow: hidden;
    padding: var(--spacing-md);
}
.pricing-table-row {
    display: grid; grid-template-columns: 2fr 1fr 1.2fr 1fr; gap: 0;
    padding: 12px 16px; border-bottom: 1px solid rgba(148, 163, 184, 0.08);
    align-items: center;
}
.pricing-table-row:last-child { border-bottom: none; }
.pricing-table-header {
    background: linear-gradient(135deg, rgba(var(--rgb-accent-blue), 0.15), rgba(var(--rgb-accent-cyan), 0.1));
    font-weight: 700; font-size: 0.9rem; color: var(--color-accent-cyan);
    border-bottom: 1px solid rgba(var(--rgb-accent-blue), 0.2);
}
.pricing-table-cell { font-size: 0.85rem; color: var(--color-text-primary); padding: 0 8px; }
.pricing-table-row:not(.pricing-table-header) .pricing-table-cell:last-child {
    color: var(--color-accent-cyan); font-weight: 600;
}
.pricing-table-row:hover:not(.pricing-table-header) { background: rgba(var(--rgb-accent-blue), 0.05); }
.pricing-table-footer {
    padding: 12px 16px; font-size: 0.78rem; color: var(--color-text-secondary);
    text-align: center; border-top: 1px solid rgba(148, 163, 184, 0.1);
    display: flex; align-items: center; justify-content: center; gap: 6px;
}

/* ===== 响应式适配 ===== */
@media (max-width: 1024px) {
    .hero-panel { flex-direction: column; text-align: center; gap: var(--spacing-lg); }
    .hero-panel-visual { flex: 0 0 300px; height: 280px; }
    .hero-panel-subtitle { margin: 0 auto var(--spacing-lg); }
    .hero-panel-slogan { margin: 0 auto var(--spacing-md); }
    .hero-panel-stats { justify-content: center; }
    .model-card { min-width: 220px; }
    .training-case-card { flex: 0 0 400px; }
    .process-flow { flex-wrap: wrap; gap: var(--spacing-sm); }
    .process-step { min-width: 120px; }
}
@media (max-width: 768px) {
    .hero-panel-title { font-size: 2.2rem; }
    .hero-panel-slogan { font-size: 1rem; }
    .hero-panel-visual { flex: 0 0 220px; height: 220px; display: none; }
    .hero-panel { padding: var(--spacing-lg) var(--spacing-sm); }
    .hero-actions { gap: var(--spacing-sm); }
    .hero-btn-primary, .hero-btn-secondary { padding: 12px 20px; font-size: 0.9rem; }
    .model-card { min-width: 100%; }
    .model-coop-symbol { display: none; }
    .training-case-card { flex: 0 0 320px; padding: var(--spacing-md); }
    .contact-section-grid { grid-template-columns: 1fr; }
    .contact-map-block { height: 240px; }
    .floating-widget-panel { width: 240px; }
    .floating-widget-qr-img { width: 90px; height: 90px; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .process-flow { flex-direction: column; gap: 16px; counter-reset: process-step; }
    .process-step { width: 100%; max-width: none; flex-direction: row; align-items: center; gap: 16px; text-align: left; }
    .process-step::before {
        counter-increment: process-step;
        content: counter(process-step);
        width: 32px; height: 32px; border-radius: 50%;
        background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-cyan));
        color: #fff; font-size: 0.9rem; font-weight: 700;
        display: flex; align-items: center; justify-content: center;
        flex-shrink: 0;
    }
    .process-step-icon { width: 56px; height: 56px; }
    .process-step-text { text-align: left; }
    .process-step-desc { text-align: left; max-width: none; }
    .process-arrow { display: none; }
    .about-carousel { height: 300px; }
    .about-contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 1.6rem; }
    .hero-subtitle { font-size: 0.85rem; }
    .hero-stats { flex-direction: column; gap: 8px; }
    .process-flow { flex-direction: column; gap: 16px; }
    .process-arrow { display: none; }
    .process-step { width: 100%; }
    .section-cta { flex-direction: column; text-align: center; gap: 12px; }
    .course-banner-card { grid-template-columns: 1fr; }
    .about-carousel { height: 220px; }
}

@media (prefers-reduced-motion: reduce) {
    .carousel-slide { transition: none !important; }
    .carousel-auto-play { animation: none !important; }
    .fade-in { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ===== 图片点击放大 ===== */
.clickable-image { cursor: zoom-in; transition: opacity var(--transition-fast); }
.clickable-image:hover { opacity: 0.85; }
.image-zoom-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.88); z-index: 10000;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: opacity var(--transition-normal), visibility var(--transition-normal);
    padding: 40px; box-sizing: border-box;
}
.image-zoom-overlay.active { opacity: 1; visibility: visible; }
.image-zoom-container { position: relative; max-width: 90%; max-height: 90%; display: flex; flex-direction: column; align-items: center; }
.image-zoom-img { max-width: 100%; max-height: 85vh; object-fit: contain; border-radius: 8px; box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.image-zoom-caption { color: rgba(255,255,255,0.7); font-size: 0.85rem; margin-top: 12px; text-align: center; }
.image-zoom-close {
    position: absolute; top: -40px; right: -10px;
    width: 36px; height: 36px; border-radius: 50%;
    background: rgba(255,255,255,0.15); border: none; color: #fff;
    font-size: 24px; cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: background var(--transition-fast);
}
.image-zoom-close:hover { background: rgba(255,255,255,0.3); }

/* ===== 营销引流元素 ===== */
/* 免费咨询按钮 */
.consult-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 24px; border-radius: 10px;
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-cyan));
    color: #fff; font-size: 0.88rem; font-weight: 700; text-decoration: none;
    transition: all var(--transition-normal); white-space: nowrap;
    box-shadow: 0 4px 16px rgba(var(--rgb-accent-blue), 0.3);
}
.consult-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(var(--rgb-accent-blue), 0.4); }

/* 痛点提示条 */
.pain-bar {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm) 0;
}
.pain-tag {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 14px; border-radius: 20px;
    background: rgba(249, 115, 22, 0.08); border: 1px solid rgba(249, 115, 22, 0.15);
    font-size: 0.8rem; color: var(--color-text-secondary);
}
.pain-tag::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--color-accent-orange); flex-shrink: 0; }

/* 板块末尾CTA */
.section-cta {
    display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg); border-radius: var(--border-radius-md);
    background: linear-gradient(135deg, rgba(var(--rgb-accent-blue), 0.08), rgba(var(--rgb-accent-cyan), 0.08));
    border: 1px solid var(--color-border-strong); margin-top: var(--spacing-lg);
}
.section-cta-text { font-size: 0.92rem; font-weight: 600; color: var(--color-text-primary); }
@media (max-width: 640px) { .section-cta { flex-direction: column; text-align: center; } }

/* 营销提示框 */
.promo-banner {
    display: flex; align-items: center; justify-content: center; gap: var(--spacing-md);
    padding: 12px 20px; border-radius: 12px; margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(var(--rgb-accent-blue), 0.1), rgba(var(--rgb-accent-cyan), 0.1));
    border: 1px solid var(--color-border-strong);
}
.promo-banner-text { font-size: 0.85rem; color: var(--color-text-secondary); }
.promo-banner-highlight { color: var(--color-accent-cyan); font-weight: 700; }

/* ==================== 新闻详情：相关推荐 & 最新动态 ==================== */
.news-bottom-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-xl);
    margin-top: var(--spacing-xl); padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}
.news-related, .news-latest { margin-top: 0; padding-top: 0; border-top: none; }
.news-sidebar-title {
    font-size: 1.1rem; font-weight: 700; color: var(--color-text-primary);
    margin-bottom: var(--spacing-md); padding-left: 12px;
    border-left: 3px solid var(--color-accent-cyan); line-height: 1.2;
}

/* 相关推荐卡片 */
.news-related-list {
    display: grid; grid-template-columns: 1fr; gap: var(--spacing-sm);
}
.news-related-item {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 16px; border-radius: var(--border-radius-md);
    background: rgba(255, 255, 255, 0.02); border: 1px solid var(--color-border);
    transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
    text-decoration: none;
}
.news-related-item:hover {
    transform: translateY(-3px); border-color: var(--color-border-strong);
    background: rgba(var(--rgb-accent-blue), 0.06);
}
.news-related-thumb {
    width: 44px; height: 44px; flex-shrink: 0; border-radius: var(--border-radius-sm);
    display: flex; align-items: center; justify-content: center; font-size: 1.4rem;
    background: linear-gradient(135deg, rgba(var(--rgb-accent-blue), 0.15), rgba(var(--rgb-accent-cyan), 0.15));
    border: 1px solid var(--color-border);
}
.news-related-info { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.news-related-title {
    font-size: 0.9rem; font-weight: 600; color: var(--color-text-primary); line-height: 1.4;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden; text-overflow: ellipsis;
}
.news-related-date { font-size: 0.78rem; color: var(--color-text-secondary); }

/* 最新动态列表 */
.news-latest-list { display: flex; flex-direction: column; }
.news-latest-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 8px; border-bottom: 1px solid var(--color-border);
    transition: padding var(--transition-fast), background var(--transition-fast);
    text-decoration: none;
}
.news-latest-item:last-child { border-bottom: none; }
.news-latest-item:hover { padding-left: 14px; background: rgba(var(--rgb-accent-blue), 0.04); }
.news-latest-date {
    font-size: 0.78rem; font-weight: 700; color: var(--color-accent-cyan);
    flex-shrink: 0; padding: 2px 8px; border-radius: 6px;
    background: rgba(var(--rgb-accent-cyan), 0.1);
}
.news-latest-title {
    font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.4;
    transition: color var(--transition-fast);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.news-latest-item:hover .news-latest-title { color: var(--color-text-primary); }

/* 返回新闻列表 */
.news-back-bar {
    margin-top: var(--spacing-lg); text-align: center;
}
.news-back-link {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 10px 24px; border-radius: var(--border-radius-md);
    background: rgba(var(--rgb-accent-blue), 0.08); border: 1px solid var(--color-border-strong);
    color: var(--color-text-primary); font-size: 0.88rem; font-weight: 600;
    text-decoration: none; transition: all var(--transition-fast);
}
.news-back-link:hover { background: rgba(var(--rgb-accent-blue), 0.15); transform: translateY(-2px); }

@media (max-width: 768px) {
    .news-bottom-grid { grid-template-columns: 1fr; gap: var(--spacing-lg); }
}

/* ==================== 业务总览 ==================== */
.service-overview-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-lg); }
.service-overview-card { background: linear-gradient(135deg, rgba(30,41,59,0.6), rgba(15,23,42,0.6)); border: 1px solid var(--color-border); border-radius: var(--border-radius-lg); padding: var(--spacing-xl); text-align: center; transition: all var(--transition-normal); text-decoration: none; color: var(--color-text-primary); }
.service-overview-card:hover { transform: translateY(-4px); border-color: rgba(59,130,246,0.3); box-shadow: 0 8px 32px rgba(59,130,246,0.1); }
.service-overview-icon { width: 64px; height: 64px; border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto var(--spacing-md); }
.service-overview-title { font-size: 1.2rem; font-weight: 600; margin-bottom: var(--spacing-sm); }
.service-overview-desc { font-size: 0.85rem; color: var(--color-text-secondary); line-height: 1.6; margin-bottom: var(--spacing-md); }
.service-overview-link { font-size: 0.85rem; color: var(--color-accent-cyan); font-weight: 500; }
@media (max-width: 768px) { .service-overview-grid { grid-template-columns: 1fr; } }

/* ===== 案例展示（施组页面） ===== */
.cases-showcase { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); margin-top: var(--spacing-md); }
.cases-showcase-item { border-radius: var(--border-radius-md); overflow: hidden; border: 1px solid var(--color-border); transition: all var(--transition-normal); background: linear-gradient(135deg, rgba(30,41,59,0.6), rgba(15,23,42,0.6)); }
.cases-showcase-item:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(59,130,246,0.1); border-color: rgba(59,130,246,0.3); }
.cases-showcase-item img { width: 100%; height: 200px; object-fit: cover; display: block; }
.cases-showcase-caption { padding: var(--spacing-sm) var(--spacing-md); font-size: 0.85rem; color: var(--color-text-secondary); }
@media (max-width: 768px) { .cases-showcase { grid-template-columns: 1fr; } }