```css
/* ===== BODO漫画 全局样式 ===== */
/* 设计风格：渐变Banner + 圆角卡片 + 毛玻璃效果 + 响应式 + 暗色模式 */

/* ===== CSS 变量 ===== */
:root {
    --bg-body: #F7F8FC;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-solid: #FFFFFF;
    --bg-nav: rgba(255, 255, 255, 0.78);
    --bg-footer: #141824;
    --bg-hero: linear-gradient(135deg, #1A1A2E 0%, #16213E 45%, #0F3460 100%);
    --bg-section-alt: #EEF1F8;
    --bg-glass: rgba(255, 255, 255, 0.55);
    --bg-glass-border: rgba(255, 255, 255, 0.65);
    --text-primary: #17202A;
    --text-secondary: #243447;
    --text-muted: #3D4F5F;
    --text-heading: #0B1420;
    --text-on-dark: #F1F5F9;
    --text-on-dark-secondary: #CBD5E1;
    --text-on-dark-muted: #94A3B8;
    --brand-primary: #E63946;
    --brand-secondary: #457B9D;
    --brand-accent: #F4A261;
    --brand-deep: #1D3557;
    --link-color: #1D4ED8;
    --link-hover: #1E3A8A;
    --border-color: #D1D9E6;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.14);
    --shadow-glass: 0 8px 32px rgba(31, 38, 135, 0.12);
    --radius: 12px;
    --radius-lg: 18px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

html[data-theme="dark"] {
    --bg-body: #0F1117;
    --bg-card: rgba(26, 29, 40, 0.85);
    --bg-card-solid: #1A1D28;
    --bg-nav: rgba(21, 24, 34, 0.82);
    --bg-footer: #0A0C12;
    --bg-hero: linear-gradient(135deg, #0F1117 0%, #1A1D28 45%, #16213E 100%);
    --bg-section-alt: #141720;
    --bg-glass: rgba(26, 29, 40, 0.55);
    --bg-glass-border: rgba(255, 255, 255, 0.08);
    --text-primary: #E5E7EB;
    --text-secondary: #E2E8F0;
    --text-muted: #A0AEC0;
    --text-heading: #F8FAFC;
    --text-on-dark: #F1F5F9;
    --text-on-dark-secondary: #CBD5E1;
    --text-on-dark-muted: #94A3B8;
    --brand-primary: #FF6B6B;
    --brand-secondary: #6BA3C7;
    --brand-accent: #F4A261;
    --link-color: #60A5FA;
    --link-hover: #93C5FD;
    --border-color: #2D3748;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.55);
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.45);
}

/* ===== 重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.8;
    font-size: 16px;
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--link-hover);
}

/* ===== 导航栏 ===== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--bg-nav);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid var(--bg-glass-border);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-heading);
    text-decoration: none;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.nav-logo:hover {
    transform: scale(1.03);
}

.nav-logo svg {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    transition: var(--transition);
}

.nav-logo:hover svg {
    transform: rotate(-6deg);
}

.nav-logo .logo-text {
    color: var(--brand-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 4px;
    align-items: center;
}

.nav-menu a {
    display: block;
    padding: 8px 14px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
    border-radius: 2px;
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-menu a:hover,
.nav-menu a:focus {
    color: var(--brand-primary);
    background-color: rgba(230, 57, 70, 0.08);
}

.nav-menu a:hover::after,
.nav-menu a:focus::after {
    width: 60%;
}

html[data-theme="dark"] .nav-menu a:hover,
html[data-theme="dark"] .nav-menu a:focus {
    background-color: rgba(255, 107, 107, 0.12);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.search-box {
    display: flex;
    align-items: center;
    background-color: var(--bg-section-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    transition: var(--transition);
}

.search-box:focus-within {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
}

.search-box input {
    border: none;
    background: transparent;
    outline: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    width: 140px;
    font-family: inherit;
}

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

.search-box button {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    padding: 2px;
    transition: var(--transition);
}

.search-box button:hover {
    color: var(--brand-primary);
    transform: scale(1.1);
}

.theme-toggle {
    background: var(--bg-section-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

.theme-toggle:hover {
    color: var(--brand-primary);
    border-color: var(--brand-primary);
    transform: rotate(20deg) scale(1.05);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2.5px;
    background-color: var(--text-secondary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== 面包屑 ===== */
.breadcrumb {
    max-width: 1200px;
    margin: 0 auto;
    padding: 18px 20px 0;
    font-size: 0.88rem;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--link-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

.breadcrumb span {
    margin: 0 6px;
    color: var(--text-muted);
}

/* ===== Hero 渐变Banner ===== */
.hero {
    background: var(--bg-hero);
    color: var(--text-on-dark);
    padding: 90px 20px 80px;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 15% 85%, rgba(244, 162, 97, 0.18) 0%, transparent 45%),
        radial-gradient(circle at 85% 15%, rgba(230, 57, 70, 0.22) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(69, 123, 157, 0.12) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(230, 57, 70, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    animation: heroPulse 8s ease-in-out infinite;
    z-index: -1;
}

@keyframes heroPulse {
    0%, 100% { transform: scale(1) translate(0, 0); opacity: 0.6; }
    50% { transform: scale(1.15) translate(-30px, 30px); opacity: 0.9; }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 900;
    line-height: 1.25;
    margin-bottom: 20px;
    color: #FFFFFF;
    letter-spacing: 1px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-content h1 .highlight {
    background: linear-gradient(120deg, #F4A261 0%, #FFD166 50%, #F4A261 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--brand-accent);
    text-shadow: 0 2px 12px rgba(244, 162, 97, 0.35);
    display: inline-block;
    animation: shimmer 3s ease-in-out infinite;
    background-size: 200% auto;
}

@keyframes shimmer {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-on-dark-secondary);
    margin-bottom: 18px;
    max-width: 560px;
    line-height: 1.9;
}

.hero-stats {
    display: flex;
    gap: 36px;
    margin: 32px 0 36px;
    flex-wrap: wrap;
}

.hero-stat-item {
    text-align: left;
    transition: var(--transition);
}

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

.hero-stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: #FFFFFF;
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}

.hero-stat-number .unit {
    font-size: 1rem;
    color: var(--brand-accent);
    margin-left: 2px;
}

.hero-stat-label {
    font-size: 0.88rem;
    color: var(--text-on-dark-muted);
    margin-top: 2px;
}

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

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 30px;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
    font-family: inherit;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.5s ease, height 0.5s ease;
}

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

.btn-primary {
    background-color: var(--brand-primary);
    color: #FFFFFF;
    border-color: var(--brand-primary);
    box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: #C1121F;
    border-color: #C1121F;
    color: #FFFFFF;
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(230, 57, 70, 0.45);
}

html[data-theme="dark"] .btn-primary:hover,
html[data-theme="dark"] .btn-primary:focus {
    background-color: #FF5252;
    border-color: #FF5252;
}

.btn-outline {
    background-color: rgba(255, 255, 255, 0.06);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    color: #FFFFFF;
    border-color: rgba(255, 255, 255, 0.55);
}

.btn-outline:hover,
.btn-outline:focus {
    background-color: rgba(255, 255, 255, 0.16);
    border-color: #FFFFFF;
    color: #FFFFFF;
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(255, 255, 255, 0.15);
}

/* ===== Hero 视觉 ===== */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual svg {
    width: 100%;
    max-width: 460px;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.35));
    transition: var(--transition-slow);
}

/* ===== 通用 Section ===== */
.section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 64px 20px;
}

.section-alt {
    background-color: var(--bg-section-alt);
    max-width: 100%;
    padding: 64px 0;
    position: relative;
}

.section-alt > .section-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 14px;
    letter-spacing: 0.5px;
    position: relative;
    display: inline-block;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 720px;
    margin: 0 auto;
}

.section-header .divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
    border-radius: 2px;
    margin: 16px auto 0;
    animation: dividerGrow 1s ease forwards;
}

@keyframes dividerGrow {
    from { width: 0; opacity: 0; }
    to { width: 60px; opacity: 1; }
}

/* ===== 品牌介绍 ===== */
.brand-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.brand-intro-text h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 18px;
}

.brand-intro-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 1rem;
    line-height: 1.9;
}

.brand-intro-text ul {
    list-style: none;
    margin: 20px 0;
}

.brand-intro-text ul li {
    padding: 8px 0 8px 30px;
    position: relative;
    color: var(--text-secondary);
    transition: var(--transition);
}

.brand-intro-text ul li:hover {
    color: var(--brand-primary);
    transform: translateX(4px);
}

.brand-intro-text ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 8px;
    color: var(--brand-primary);
    font-weight: 800;
    font-size: 1.1rem;
}

.brand-intro-visual svg {
    width: 100%;
    max-width: 480px;
    height: auto;
    margin: 0 auto;
    display: block;
    transition: var(--transition-slow);
}

.brand-intro-visual:hover svg {
    transform: translateY(-6px);
}

/* ===== 卡片网格 ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.card {
    background: var(--bg-card);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-lg);
    padding: 32px 26px;
    transition: var(--transition-slow);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent), var(--brand-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--brand-primary);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.12), rgba(244, 162, 97, 0.12));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    color: var(--brand-primary);
    transition: var(--transition);
}

.card:hover .card-icon {
    transform: rotate(-8deg) scale(1.1);
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.2), rgba(244, 162, 97, 0.2));
}

.card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 10px;
}

.card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.75;
}

/* ===== 解决方案 ===== */
.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.solution-card {
    background: var(--bg-card);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-lg);
    padding: 30px 26px;
    box-shadow: var(--shadow);
    transition: var(--transition-slow);
    border-top: 4px solid var(--brand-primary);
    position: relative;
    overflow: hidden;
}

.solution-card::after {
    content: '';
    position: absolute;
    bottom: -60px;
    right: -60px;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(230, 57, 70, 0.08), transparent 70%);
    border-radius: 50%;
    transition: var(--transition-slow);
}

.solution-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.solution-card:hover::after {
    transform: scale(1.5);
    opacity: 0.8;
}

.solution-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 12px;
}

.solution-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 14px;
    line-height: 1.8;
}

.solution-card .tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    background-color: rgba(69, 123, 157, 0.12);
    color: var(--brand-secondary);
    border: 1px solid rgba(69, 123, 157, 0.25);
    transition: var(--transition);
    cursor: default;
}

.tag:hover {
    background-color: rgba(69, 123, 157, 0.22);
    transform: translateY(-2px);
}

html[data-theme="dark"] .tag {
    background-color: rgba(107, 163, 199, 0.15);
    color: #93C5FD;
    border-color: rgba(107, 163, 199, 0.3);
}

html[data-theme="dark"] .tag:hover {
    background-color: rgba(107, 163, 199, 0.25);
}

/* ===== 行业应用 ===== */
.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 22px;
}

.industry-item {
    background: var(--bg-card);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-lg);
    padding: 26px 22px;
    text-align: center;
    transition: var(--transition-slow);
    box-shadow: var(--shadow);
}

.industry-item:hover {
    border-color: var(--brand-accent);
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.industry-item .ind-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(244, 162, 97, 0.15), rgba(230, 57, 70, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-primary);
    transition: var(--transition);
}

.industry-item:hover .ind-icon {
    transform: scale(1.12) rotate(6deg);
    background: linear-gradient(135deg, rgba(244, 162, 97, 0.25), rgba(230, 57, 70, 0.18));
}

.industry-item h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 8px;
}

.industry-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.75;
}

/* ===== 客户案例 ===== */
.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.case-card {
    background: var(--bg-card);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-lg);
    padding: 28px 26px;
    box-shadow: var(--shadow);
    transition: var(--transition-slow);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.case-card::before {
    content: '"';
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 5rem;
    font-weight: 900;
    color: var(--brand-primary);
    opacity: 0.06;
    line-height: 1;
    font-family: Georgia, serif;
    transition: var(--transition);
}

.case-card:hover::before {
    opacity: 0.12;
    transform: scale(1.1);
}

.case-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-6px);
    border-color: var(--brand-secondary);
}

.case-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.case-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-weight: 800;
    font-size: 1.1rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(230, 57, 70, 0.25);
    transition: var(--transition);
}

.case-card:hover .case-avatar {
    transform: scale(1.08) rotate(-4deg);
}

.case-meta h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-heading);
}

.case-meta span {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.case-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    flex: 1;
    line-height: 1.85;
}

.case-stars {
    color: #F59E0B;
    font-size: 1rem;
    margin-top: 14px;
    letter-spacing: 2px;
}

/* ===== 新闻中心 ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 26px;
}

.news-card {
    background: var(--bg-card);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition-slow);
    display: flex;
    flex-direction: column;
}

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

.news-thumb {
    height: 160px;
    background: linear-gradient(135deg, #1A1A2E, #0F3460);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.news-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.3));
    pointer-events: none;
}

.news-thumb svg {
    width: 100%;
    height: 100%;
    transition: var(--transition-slow);
}

.news-card:hover .news-thumb svg {
    transform: scale(1.06);
}

.news-body {
    padding: 22px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.news-body h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 10px;
    line-height: 1.5;
    transition: var(--transition);
}

.news-card:hover .news-body h3 {
    color: var(--brand-primary);
}

.news-body p {
    font-size: 0.9rem;
    color: var(--text-muted);
    flex: 1;
    margin-bottom: 14px;
    line-height: 1.75;
}

.news-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--link-color);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
}

.news-link:hover {
    color: var(--link-hover);
    text-decoration: underline;
    gap: 8px;
}

/* ===== 文章列表 ===== */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.article-card {
    background: var(--bg-card);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-lg);
    padding: 26px 24px;
    box-shadow: var(--shadow);
    transition: var(--transition-slow);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.article-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--brand-primary), var(--brand-accent));
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.4s ease;
}

.article-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--brand-secondary);
}

.article-card:hover::before {
    transform: scaleY(1);
}

.article-card .art-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.article-card h3 {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 10px;
    line-height: 1.5;
    transition: var(--transition);
}

.article-card:hover h3 {
    color: var(--brand-primary);
}

.article-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    flex: 1;
    margin-bottom: 14px;
    line-height: 1.75;
}

.article-card .art-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--link-color);
    text-decoration: none;
    transition: var(--transition);
}

.article-card .art-link:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

/* ===== 团队 ===== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 26px;
}

.team-card {
    background: var(--bg-card);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-lg);
    padding: 28px 22px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition-slow);
}

.team-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--brand-secondary);
}

.team-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--brand-secondary), var(--brand-deep));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-size: 1.5rem;
    font-weight: 800;
    box-shadow: 0 6px 18px rgba(69, 123, 157, 0.3);
    transition: var(--transition);
}

.team-card:hover .team-avatar {
    transform: scale(1.1) rotate(6deg);
    box-shadow: 0 8px 24px rgba(69, 123, 157, 0.45);
}

.team-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 4px;
}

.team-card .team-role {
    font-size: 0.85rem;
    color: var(--brand-primary);
    font-weight: 600;
    margin-bottom: 8px;
}

.team-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.75;
}

/* ===== FAQ ===== */
.faq-list {
    max-width: 860px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-lg);
    margin-bottom: 14px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.faq-item:hover {
    border-color: var(--brand-secondary);
}

.faq-item.active {
    border-color: var(--brand-primary);
    box-shadow: 0 6px 24px rgba(230, 57, 70, 0.12);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--text-heading);
    text-align: left;
    gap: 16px;
    transition: var(--transition);
    font-family: inherit;
}

.faq-question:hover {
    color: var(--brand-primary);
}

.faq-question .faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--bg-section-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition);
    font-weight: 400;
    line-height: 1;
}

.faq-item.active .faq-question .faq-icon {
    background-color: var(--brand-primary);
    color: #FFFFFF;
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s cubic-bezier(0.25, 0.8, 0.25, 1), padding 0.3s ease;
    padding: 0 24px;
}

.faq-item.active .faq-answer {
    max-height: 600px;
    padding: 0 24px 22px;
}

.faq-answer p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.85;
}

/* ===== HowTo ===== */
.howto-steps {
    max-width: 860px;
    margin: 0 auto;
    counter-reset: step;
}

.howto-step {
    background: var(--bg-card);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-lg);
    padding: 26px 26px 26px 80px;
    margin-bottom: 18px;
    position: relative;
    box-shadow: var(--shadow);
    transition: var(--transition-slow);
}

.howto-step:hover {
    border-color: var(--brand-accent);
    transform: translateX(6px);
    box-shadow: var(--shadow-hover);
}

.howto-step::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    left: 22px;
    top: 26px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
    color: #FFFFFF;
    font-weight: 800;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
    transition: var(--transition);
}

.howto-step:hover::before {
    transform: scale(1.1) rotate(-8deg);
}

.howto-step h4 {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 8px;
}

.howto-step p {
    font-size: 0.94rem;
    color: var(--text-muted);
    line-height: 1.85;
}

/* ===== 联系我们 ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info h3 {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 20px;
}

.contact-item {
    display: flex;
    gap: 14px;
    margin-bottom: 20px;
    align-items: flex-start;
    transition: var(--transition);
}

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

.contact-item .ci-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.1), rgba(244, 162, 97, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-primary);
    flex-shrink: 0;
    transition: var(--transition);
}

.contact-item:hover .ci-icon {
    transform: scale(1.08) rotate(-6deg);
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.2), rgba(244, 162, 97, 0.2));
}

.contact-item .ci-text h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 2px;
}

.contact-item .ci-text p {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.contact-form {
    background: var(--bg-card);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-lg);
    padding: 30px 26px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.contact-form:hover {
    box-shadow: var(--shadow-hover);
}

.contact-form h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-body);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.12);
    background-color: var(--bg-card-solid);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* ===== 网站地图 ===== */
#sitemap .card ul li a {
    transition: var(--transition);
    display: inline-block;
}

#sitemap .card ul li a:hover {
    transform: translateX(4px);
    color: var(--brand-primary) !important;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--bg-footer);
    color: var(--text-on-dark-secondary);
    padding: 56px 20px 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--brand-primary), var(--brand-accent), transparent);
    opacity: 0.5;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-brand .f-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 16px;
}

.footer-brand .f-logo .logo-text {
    color: var(--brand-primary);
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-on-dark-muted);
    line-height: 1.8;
    margin-bottom: 16px;
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 2px;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
    border-radius: 2px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    font-size: 0.9rem;
    color: var(--text-on-dark-muted);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.footer-col ul li a:hover {
    color: var(--brand-accent);
    padding-left: 6px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 22px 0;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

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

.footer-bottom-links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.footer-bottom-links a {
    font-size: 0.85rem;
    color: var(--text-on-dark-muted);
    text-decoration: none;
    transition: var(--transition);
}

.footer-bottom-links a:hover {
    color: var(--brand-accent);
}

/* ===== 返回顶部 ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-primary), #C1121F);
    color: #FFFFFF;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(230, 57, 70, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: linear-gradient(135deg, #C1121F, var(--brand-primary));
    transform: translateY(-6px) scale(1.05);
    box-shadow: 0 10px 28px rgba(230, 57, 70, 0.55);
}

/* ===== 滚动动画 ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.25, 0.8, 0.25, 1), transform 0.7s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--brand-primary), var(--brand-secondary));
    border-radius: 5px;
    border: 2px solid var(--bg-body);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #C1121F, var(--brand-deep));
}

/* ===== 选中文字 ===== */
::selection {
    background-color: rgba(230, 57, 70, 0.25);
    color: var(--text-heading);
}

/* ===== 焦点可见性 ===== */
:focus-visible {
    outline: 2px solid var(--brand-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== 响应式：992px ===== */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-visual svg {
        max-width: 380px;
    }

    .brand-intro-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

/* ===== 响应式：768px ===== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 68px;
        left: 0;
        right: 0;
        background-color: var(--bg-nav);
        -webkit-backdrop-filter: blur(20px) saturate(180%);
        backdrop-filter: blur(20px) saturate(180%);
        flex-direction: column;
        padding: 16px 20px 24px;
        gap: 4px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow);
        transform: translateY(-120%);
        transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
        z-index: 999;
        max-height: calc(100vh - 68px);
        overflow-y: auto;
    }

    .nav-menu.open {
        transform: translateY(0);
    }

    .nav-menu a {
        width: 100%;
        padding: 12px 14px;
    }

    .nav-menu a::after {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .search-box {
        display: none;
    }

    .hero {
        padding: 60px 20px 50px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .hero-stats {
        gap: 24px;
    }

    .section-header h2 {
        font-size: 1.6rem;
    }

    .section-header p {
        font-size: 0.98rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .howto-step {
        padding: 22px 20px 22px 70px;
    }

    .howto-step::before {
        left: 16px;
        top: 22px;
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }
}

/* ===== 响应式：480px ===== */
@media (max-width: 480px) {
    .hero {
        padding: 44px 16px 40px;
    }

    .hero-content h1 {
        font-size: 1.6rem;
    }

    .hero-content p {
        font-size: 0.95rem;
    }

    .hero-stats {
        gap: 20px;
    }

    .hero-stat-number {
        font-size: 1.5rem;
    }

    .hero-visual svg {
        max-width: 280px;
    }

    .section {
        padding: 44px 16px;
    }

    .section-alt {
        padding: 44px 0;
    }

    .section-alt > .section-inner {
        padding: 0 16px;
    }

    .section-header {
        margin-bottom: 32px;
    }

    .section-header h2 {
        font-size: 1.4rem;
    }

    .btn {
        padding: 11px 22px;
        font-size: 0.92rem;
    }

    .card {
        padding: 24px 20px;
    }

    .solution-card {
        padding: 24px 20px;
    }

    .case-card {
        padding: 22px 20px;
    }

    .contact-form {
        padding: 24px 20px;
    }

    .faq-question {
        padding: 16px 18px;
        font-size: 0.95rem;
    }

    .faq-answer {
        padding: 0 18px;
    }

    .faq-item.active .faq-answer {
        padding: 0 18px 18px;
    }

    .howto-step {
        padding: 20px 16px 20px 62px;
    }

    .howto-step::before {
        left: 14px;
        top: 20px;
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }

    .footer {
        padding: 40px 16px 0;
    }

    .footer-bottom-links {
        gap: 12px;
        justify-content: center;
    }
}

/* ===== 减少动画偏好 ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ===== 打印样式 ===== */
@media print {
    .navbar,
    .back-to-top,
    .theme-toggle,
    .hamburger,
    .search-box,
    .hero-visual,
    .footer-bottom-links {
        display: none !important;
    }

    body {
        background: #FFFFFF;
        color: #000000;
    }

    .hero {
        background: none;
        color: #000000;
    }

    .hero-content h1,
    .hero-content p,
    .hero-stat-number,
    .hero-stat-label {
        color: #000000 !important;
    }

    .card,
    .solution-card,
    .case-card,
    .news-card,
    .article-card,
    .team-card,
    .faq-item,
    .howto-step {
        box-shadow: none;
        border: 1px solid #CCCCCC;
        break-inside: avoid;
    }
}
```