@charset "utf-8";
/* ============================================
   三优网络 - 融合设计主样式表
   宁波网站建设公司 | AI建站1999全包
   融合设计：深色科技Hero + 白色/浅色业务内容
   ============================================ */

/* ============================================
   Task 2: 设计系统 CSS
   ============================================ */

/* ---------- CSS变量 ---------- */
:root {
    --primary: #2563eb;
    --primary-light: #00d4ff;
    --primary-dark: #1e40af;
    --secondary: #7c3aed;
    --accent: #10b981;
    --dark: #0a0e27;
    --dark-light: #111936;
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --text-light: #e2e8f0;
    --gradient-tech: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
    --gradient-accent: linear-gradient(135deg, #10b981 0%, #00d4ff 100%);
    --glass: rgba(17, 25, 54, 0.7);
    --glass-border: rgba(0, 212, 255, 0.2);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 50px;
    --max-width: 1280px;
    --transition: all 0.3s ease;
}

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

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

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-white);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

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

/* ---------- 选中颜色 ---------- */
::selection {
    background: var(--primary);
    color: #ffffff;
}

/* ---------- 滚动条样式 ---------- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ---------- 容器 ---------- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ---------- 通用区块 ---------- */
.section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.2);
    color: var(--primary);
    padding: 0.4rem 1.2rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-tag.light {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.25);
    color: #fff;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-title.dark {
    color: #ffffff;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.section-desc.dark {
    color: var(--text-light);
}

/* ---------- 按钮样式 ---------- */
.btn-primary {
    display: inline-block;
    background: var(--gradient-tech);
    color: #ffffff;
    padding: 1rem 2.5rem;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.5);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    display: inline-block;
    background: transparent;
    color: var(--primary);
    padding: 1rem 2.5rem;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    border: 2px solid var(--primary);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-secondary:hover {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}

.btn-lg {
    font-size: 1.2rem;
    padding: 1.2rem 3rem;
}


/* ============================================
   Task 3: 导航栏 + Hero区域
   ============================================ */

/* ---------- 导航栏 ---------- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.navbar.scrolled .logo-text {
    color: var(--text-dark);
}

.navbar.scrolled .nav-links a {
    color: var(--text-dark);
}

.navbar.scrolled .nav-links a:hover {
    color: var(--primary);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: var(--gradient-tech);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    color: white;
    font-size: 1.2rem;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.5px;
    transition: var(--transition);
}

.logo-text span {
    color: var(--primary-light);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-tech);
    transition: width 0.3s;
}

.nav-links a:hover {
    color: var(--primary-light);
}

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

.nav-cta {
    background: var(--gradient-tech);
    color: #ffffff !important;
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    transition: transform 0.3s, box-shadow 0.3s !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(37, 99, 235, 0.5) !important;
    color: #ffffff !important;
}

.nav-cta::after {
    display: none !important;
}

/* ---------- 移动端菜单按钮 ---------- */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    border-radius: 2px;
}

/* ---------- 移动端菜单 ---------- */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--dark-light);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
    flex-direction: column;
    padding: 6rem 2rem 2rem;
    gap: 1.5rem;
    transition: right 0.3s ease;
    border-left: 1px solid var(--glass-border);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.mobile-menu a:hover {
    color: var(--primary-light);
    padding-left: 10px;
}

.mobile-cta {
    background: var(--gradient-tech);
    color: #ffffff !important;
    padding: 1rem !important;
    border-radius: var(--radius-full);
    text-align: center;
    margin-top: 1rem;
    font-weight: 700 !important;
}


/* ---------- Hero区域 ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 6rem 2rem 4rem;
    overflow: hidden;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 50%, var(--dark) 100%);
}

#freight-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.85;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 14, 39, 0.85) 0%, rgba(10, 14, 39, 0.6) 50%, rgba(10, 14, 39, 0.85) 100%);
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    max-width: 1280px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 3;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--primary-light);
    margin-bottom: 1.5rem;
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: blink 1.5s ease-in-out infinite;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, var(--primary-light) 50%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .highlight {
    position: relative;
    display: inline-block;
}

.hero .highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 12px;
    background: rgba(0, 212, 255, 0.3);
    border-radius: 4px;
    z-index: -1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 500px;
    opacity: 0.8;
}

.hero-price {
    display: inline-flex;
    align-items: baseline;
    gap: 0.5rem;
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid var(--accent);
    padding: 1rem 2rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.hero-price .currency {
    font-size: 1.5rem;
    color: var(--accent);
    font-weight: 700;
}

.hero-price .number {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--accent);
    line-height: 1;
}

.hero-price .unit {
    font-size: 1rem;
    color: var(--text-muted);
}

.hero-cta-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary-light);
    display: block;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
    opacity: 0.7;
}

.hero-right {
    align-self: end;
}

/* ---------- Hero右侧视觉 ---------- */
.hero-visual {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.screen {
    width: 100%;
    max-width: 600px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 25px 50px -12px rgba(0, 212, 255, 0.25);
    will-change: transform;
}

.screen-header {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.screen-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.screen-dot.red { background: #ff5f56; }
.screen-dot.yellow { background: #ffbd2e; }
.screen-dot.green { background: #27c93f; }

.screen-content {
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.code-line {
    height: 12px;
    background: linear-gradient(90deg, var(--primary-light) 0%, var(--secondary) 100%);
    border-radius: 6px;
    opacity: 0.6;
    animation: typing 2s ease-in-out infinite alternate;
}

.code-line:nth-child(2) { width: 80%; animation-delay: 0.2s; }
.code-line:nth-child(3) { width: 60%; background: var(--gradient-accent); animation-delay: 0.4s; }
.code-line:nth-child(4) { width: 90%; animation-delay: 0.6s; }
.code-line:nth-child(5) { width: 70%; background: var(--gradient-accent); animation-delay: 0.8s; }

.ai-status {
    margin-top: auto;
    text-align: center;
    color: var(--primary-light);
    font-weight: 700;
    padding: 1rem;
    border: 1px dashed var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
}

/* ============================================
   Hero Right - 货运代理公司首页模板预览
   ============================================ */
.mockup-preview {
    gap: 0.6rem !important;
    padding: 1rem !important;
    min-height: 340px !important;
    position: relative;
    overflow: hidden;
}

/* Header */
.mw-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mw-logo {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: #00d4ff;
}

.mw-logo-icon {
    font-size: 1rem;
}

.mw-nav {
    display: flex;
    gap: 0.6rem;
}

.mw-nav-item {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.4);
    cursor: default;
}

.mw-nav-item.active {
    color: #00d4ff;
}

/* Hero banner in mockup */
.mw-hero {
    position: relative;
    border-radius: 6px;
    overflow: hidden;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mw-hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #003366 0%, #001a33 50%, #004080 100%);
    border-radius: 6px;
}

.mw-hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(0, 212, 255, 0.08) 0%, transparent 60%);
}

.mw-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0.8rem 1rem;
}

.mw-hero-title {
    font-size: 1rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.05em;
    margin-bottom: 0.2rem;
}

.mw-hero-sub {
    font-size: 0.5rem;
    color: rgba(0, 212, 255, 0.6);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.mw-hero-tags {
    display: flex;
    justify-content: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.mw-tag {
    font-size: 0.55rem;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    background: rgba(0, 212, 255, 0.12);
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 212, 255, 0.15);
}

/* Services row */
.mw-services {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.4rem;
}

.mw-service-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    padding: 0.5rem 0.2rem;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.mw-service-icon {
    font-size: 1rem;
}

.mw-service-name {
    font-size: 0.55rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
}

/* Stats row */
.mw-stats {
    display: flex;
    justify-content: space-around;
    padding: 0.5rem;
    background: rgba(0, 212, 255, 0.04);
    border-radius: 6px;
    border: 1px solid rgba(0, 212, 255, 0.06);
}

.mw-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.1rem;
}

.mw-stat-num {
    font-size: 0.85rem;
    font-weight: 800;
    color: #00d4ff;
}

.mw-stat-lbl {
    font-size: 0.5rem;
    color: rgba(255, 255, 255, 0.35);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Footer bar */
.mw-footer-bar {
    text-align: center;
    padding-top: 0.3rem;
}

.mw-badge {
    font-size: 0.55rem;
    color: rgba(0, 212, 255, 0.4);
    letter-spacing: 0.05em;
}


/* ============================================
   Task 4: 各区块样式
   ============================================ */

/* ---------- 面包屑 ---------- */
.breadcrumb {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 2rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--primary);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}


/* ---------- 服务项目 ---------- */
#services {
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.service-card {
    background: var(--bg-white);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-tech);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.2rem;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.2);
    flex-shrink: 0;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.6rem;
    color: var(--text-dark);
    font-weight: 700;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    flex: 1;
    margin-bottom: 0;
}

.service-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1.5rem;
    padding-top: 1.2rem;
    border-top: 1px solid #f0f2f5;
}

.service-price {
    color: var(--accent);
    font-weight: 700;
    font-size: 1.2rem;
}

.service-btn {
    display: inline-block;
    padding: 0.55rem 1.3rem;
    background: var(--primary);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: 6px;
    transition: background 0.3s;
    text-decoration: none;
    white-space: nowrap;
}
.service-btn:hover {
    background: var(--primary-dark, #1d4ed8);
    color: #fff;
}

/* ---------- 右下角微信浮窗 ---------- */
.wechat-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
    animation: floatIn 0.6s ease 0.5s both;
}
@keyframes floatIn {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}
.wechat-float-inner {
    background: linear-gradient(145deg, #0f1729 0%, #1a2340 100%);
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 12px;
    padding: 14px 14px 10px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}
.wechat-float-inner:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.2);
}
.wechat-float-qr {
    width: 110px;
    height: 110px;
    display: block;
    border-radius: 6px;
    background: #fff;
    padding: 5px;
}
.wechat-float-text {
    display: block;
    margin-top: 6px;
    font-size: 0.7rem;
    color: rgba(255,255,255,0.75);
    letter-spacing: 1px;
    white-space: nowrap;
}

/* ---------- 子服务 ---------- */
.sub-services {
    margin-top: 3rem;
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding: 0 2rem;
}

.sub-services-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.sub-service-item {
    display: inline-block;
    background: var(--bg-white);
    border: 1px solid #e2e8f0;
    color: var(--text-muted);
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.sub-service-item:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}


/* ---------- AI建站区域（深色背景） ---------- */
.ai-plan {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}
.ai-plan .section-title {
    color: #ffffff;
}

.plan-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 6rem 2rem;
}

/* 对比表格 */
.comparison-table-wrapper {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: 1rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.95rem;
    color: var(--text-light);
}

.comparison-table th {
    background: rgba(0, 212, 255, 0.1);
    color: #ffffff;
    font-weight: 700;
}

.comparison-table th:first-child {
    text-align: left;
}

.comparison-table td:first-child {
    text-align: left;
    color: var(--text-muted);
    font-weight: 500;
}

.comparison-table td strong {
    color: var(--accent);
}

.comparison-table .col-ai {
    color: var(--primary-light);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

/* 方案网格 */
.plan-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    padding: 1.2rem 1.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.feature-item:hover {
    border-color: var(--primary-light);
    transform: translateX(10px);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.1);
}

.feature-check {
    width: 32px;
    height: 32px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
    font-weight: 900;
    flex-shrink: 0;
    font-size: 0.9rem;
}

.feature-text h4 {
    color: #ffffff;
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

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

.plan-card {
    background: var(--glass);
    border: 2px solid var(--primary-light);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 60px rgba(0, 212, 255, 0.15);
}

.plan-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--accent);
    color: var(--dark);
    padding: 0.5rem 3rem;
    transform: rotate(45deg);
    font-weight: 800;
    font-size: 0.9rem;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
    z-index: 2;
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.plan-price-big {
    font-size: 4rem;
    font-weight: 900;
    color: var(--primary-light);
    line-height: 1;
    margin: 1rem 0;
}

.plan-price-big span {
    font-size: 1.5rem;
    color: var(--text-muted);
}

.plan-original {
    text-decoration: line-through;
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 1rem;
}

.plan-cta {
    display: block;
    background: var(--gradient-tech);
    color: #ffffff;
    padding: 1.2rem;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}

.plan-cta:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.5);
}

.plan-note {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.6;
}

/* ---------- 特性展示（方案包含） ---------- */
.features-showcase {
    margin-top: 4rem;
}

.features-showcase-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.features-showcase-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffffff;
    margin-top: 0.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.features-grid .feature-item {
    flex-direction: column;
    text-align: center;
    padding: 2rem 1.5rem;
    min-height: 100%;
}

.features-grid .feature-item:hover {
    transform: translateY(-6px);
    border-color: var(--primary-light);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.15);
}

.features-grid .feature-check {
    margin-bottom: 1rem;
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
}

.features-grid .feature-text h4 {
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
}

.features-grid .feature-text p {
    font-size: 0.85rem;
    line-height: 1.5;
}

/* ---------- GEO优化区域 ---------- */
.geo-section {
    background: var(--bg-light);
}

.geo-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.geo-text h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.geo-text p {
    color: var(--text-muted);
    margin-bottom: 1rem;
    line-height: 1.8;
    font-size: 0.95rem;
}

.geo-text strong {
    color: var(--primary);
    font-weight: 600;
}

.geo-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.geo-feature-card {
    background: var(--bg-white);
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 1.5rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.geo-feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.geo-feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.geo-feature-card h4 {
    color: var(--text-dark);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.geo-feature-card p {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.6;
}


/* ---------- GEO效果展示 (AI搜索mockup) ---------- */
.geo-showcase {
    max-width: var(--max-width);
    margin: 4rem auto 0;
    padding: 0 2rem;
}

.showcase-title {
    text-align: center;
    margin-bottom: 2.5rem;
}

.showcase-title h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.showcase-title p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.ai-chat-mockup {
    background: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    max-width: 720px;
    margin: 0 auto;
    border: 1px solid #e2e8f0;
}

/* 聊天头部 */
.chat-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 1.5rem;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
}

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

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

.chat-header .chat-dots .dot-red { background: #ef4444; }
.chat-header .chat-dots .dot-yellow { background: #f59e0b; }
.chat-header .chat-dots .dot-green { background: #10b981; }

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

.chat-header .chat-badge {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    color: var(--primary);
    background: rgba(37, 99, 235, 0.08);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-weight: 600;
}

/* 聊天气泡 */
.chat-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.chat-message {
    display: flex;
    gap: 0.8rem;
    align-items: flex-start;
}

.chat-message .avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.chat-message.user .avatar {
    background: #e8f0fe;
}

.chat-message.ai .avatar {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.chat-message .bubble {
    padding: 0.8rem 1.2rem;
    border-radius: 12px;
    font-size: 0.9rem;
    line-height: 1.6;
    max-width: 85%;
}

.chat-message.user .bubble {
    background: #e8f0fe;
    color: var(--text-dark);
    border-bottom-left-radius: 4px;
}

.chat-message.ai .bubble {
    background: #f8fafc;
    color: var(--text-dark);
    border: 1px solid #e2e8f0;
    border-bottom-left-radius: 4px;
}

/* AI推荐结果卡片 */
.ai-result-card {
    background: linear-gradient(135deg, var(--dark) 0%, #1a1f4e 100%);
    border-radius: 12px;
    padding: 1.2rem 1.5rem;
    margin: 0.8rem 0;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1rem;
    align-items: center;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.ai-result-card .result-logo {
    width: 48px;
    height: 48px;
    background: var(--gradient-tech);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 900;
    color: #ffffff;
    flex-shrink: 0;
}

.ai-result-card .result-info h4 {
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.ai-result-card .result-info p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.8rem;
    line-height: 1.4;
}

.ai-result-card .result-rating {
    text-align: center;
    flex-shrink: 0;
}

.ai-result-card .result-rating .rating-num {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary-light);
    line-height: 1;
}

.ai-result-card .result-rating .rating-label {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.5);
}

/* GEO效果数据 */
.geo-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    border: 1px solid #e2e8f0;
}

.geo-results .result-item {
    text-align: center;
}

.geo-results .result-item .geo-num {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1.2;
}

.geo-results .result-item .geo-num .trend {
    font-size: 0.9rem;
    color: var(--accent);
    margin-left: 0.2rem;
}

.geo-results .result-item .geo-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

.geo-cta {
    text-align: center;
    margin-top: 3rem;
}
.geo-cta .btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
}

/* 打字光标动画 */
.typing-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--primary);
    margin-left: 2px;
    animation: blink 1s step-end infinite;
    vertical-align: text-bottom;
}

@keyframes blink {
    50% { opacity: 0; }
}

/* 推荐标签 */
.ai-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.8rem;
}

.ai-tags .ai-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent);
    border: 1px solid rgba(16, 185, 129, 0.15);
    font-weight: 500;
}

.ai-tags .ai-tag.tag-geo {
    background: rgba(37, 99, 235, 0.08);
    color: var(--primary);
    border-color: rgba(37, 99, 235, 0.15);
}


/* ---------- 案例展示 ---------- */
.cases-section {
    background: var(--bg-white);
}

.cases-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.case-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: var(--bg-white);
    border: 1px solid #e2e8f0;
    box-shadow: var(--shadow-sm);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

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

.case-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.case-card:hover img {
    transform: scale(1.1);
}

.case-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(10, 14, 39, 0.97) 0%, rgba(10, 14, 39, 0.5) 35%, transparent 100%);
    padding: 1.5rem 1.5rem 1.2rem;
    transform: translateY(38%);
    transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.case-card:hover .case-overlay {
    transform: translateY(0);
}

.case-desc {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.82rem;
    line-height: 1.5;
    margin: 0.4rem 0 0.8rem;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.35s ease 0.1s, transform 0.35s ease 0.1s;
}

.case-card:hover .case-desc {
    opacity: 1;
    transform: translateY(0);
}

.case-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--primary-light);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.4rem 0;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.35s ease 0.15s, transform 0.35s ease 0.15s, gap 0.3s ease;
    text-decoration: none;
    width: fit-content;
}

.case-card:hover .case-btn {
    opacity: 1;
    transform: translateY(0);
}

.case-btn:hover {
    gap: 0.7rem;
}

.case-btn .arrow {
    transition: transform 0.3s ease;
}

.case-btn:hover .arrow {
    transform: translateX(4px);
}

.case-link {
    display: block;
    text-decoration: none;
    color: inherit;
    width: 100%;
    height: 100%;
}

.case-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.case-card:hover .case-link img {
    transform: scale(1.1);
}

.case-tag {
    display: inline-block;
    background: rgba(0, 212, 255, 0.2);
    color: var(--primary-light);
    padding: 0.2rem 0.7rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 0.4rem;
    border: 1px solid rgba(0, 212, 255, 0.15);
    align-self: flex-start;
}

.case-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0;
}


/* ---------- 关于我们 / 核心优势 ---------- */
#about {
    background: var(--bg-light);
}

.why-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.why-item {
    text-align: center;
    padding: 2rem;
}

.why-number {
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.why-label {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.why-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}


/* ---------- 联系区域 ---------- */
.contact-section {
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    text-align: center;
}

.contact-section .section-title {
    color: #ffffff;
}

.contact-section .section-tag {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
    color: #ffffff;
}

.contact-section .section-desc {
    color: rgba(255, 255, 255, 0.8);
}

.contact-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.contact-phone {
    font-size: 2.5rem;
    font-weight: 900;
    color: #ffffff;
    text-decoration: none;
    transition: var(--transition);
}

.contact-phone:hover {
    color: rgba(255, 255, 255, 0.85);
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
}

.contact-section .btn-primary {
    background: #ffffff;
    color: var(--primary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.contact-section .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.contact-hours {
    color: rgba(255, 255, 255, 0.75);
    margin-top: 1rem;
    font-size: 0.95rem;
}


/* ============================================
   Task 6: 新闻中心
   ============================================ */

/* ---------- 首页新闻版块 ---------- */
.news-section {
    background: #eef3f9;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
}

.news-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.news-card {
    background: var(--bg-white);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

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

.news-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.news-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--bg-light);
    position: relative;
}

.news-img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    font-size: 3rem;
}

.news-body {
    padding: 1.5rem;
}

.news-date {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-style: normal;
}

.news-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    line-height: 1.4;
    transition: color 0.3s;
}

.news-card:hover .news-card-title {
    color: var(--primary);
}

.news-excerpt {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.news-link:hover {
    color: var(--primary-dark);
}

.news-more {
    text-align: center;
    margin-top: 3rem;
}

/* ---------- 新闻列表页 ---------- */
.page-header {
    padding: 8rem 2rem 4rem;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    text-align: center;
    border-bottom: 1px solid var(--glass-border);
}

.page-header-content {
    max-width: var(--max-width);
    margin: 0 auto;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.75rem;
}

.page-header p {
    color: var(--text-light);
    font-size: 1.1rem;
    opacity: 0.8;
}

.news-list-section {
    background: var(--bg-light);
    padding: 4rem 0 6rem;
}

.news-list-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.75rem;
    border-radius: var(--radius-sm);
    background: var(--bg-white);
    border: 1px solid #e2e8f0;
    color: var(--text-dark);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
}

.pagination a:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

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

.pagination .page-prev,
.pagination .page-next {
    font-weight: 700;
}

.pagination .page-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* ---------- 新闻详情页 ---------- */
.article-section {
    background: var(--bg-light);
    padding: 4rem 0 6rem;
}

.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.article-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 2rem;
    text-decoration: none;
    transition: gap 0.3s;
}

.article-back-link:hover {
    color: var(--primary-dark);
    gap: 0.75rem;
}

.article-header {
    margin-bottom: 2.5rem;
}

.article-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.article-meta {
    display: flex;
    gap: 1.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.article-meta time {
    font-style: normal;
}

.article-featured-image {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-lg);
    margin-bottom: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.4);
}

.article-content {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-dark);
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 2rem 0 1rem;
    color: var(--text-dark);
}

.article-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.article-content li {
    margin-bottom: 0.5rem;
}

.article-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #e2e8f0;
}

.article-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.article-tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.15);
    color: var(--primary);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.article-nav {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.article-nav a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
}

.article-nav a:hover {
    color: var(--primary-dark);
}

.article-nav .nav-disabled {
    color: var(--text-muted);
    opacity: 0.5;
    pointer-events: none;
}


/* ---------- 页脚 ---------- */
footer {
    background: var(--dark-light);
    border-top: 1px solid var(--glass-border);
    padding: 4rem 2rem 2rem;
}

.footer-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo-text {
    margin-bottom: 1rem;
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
}

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

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-col h4 {
    color: #ffffff;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    font-weight: 700;
}

.footer-col a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.5rem 0;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-bottom {
    max-width: var(--max-width);
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

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


/* ============================================
   服务详情页样式
   ============================================ */

/* ---------- 页面头部 (深色渐变) ---------- */
.service-detail-header {
    background: linear-gradient(135deg, var(--dark) 0%, #1a1f4e 40%, var(--primary-dark) 100%);
    padding: 8rem 2rem 5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-detail-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(124, 58, 237, 0.08) 0%, transparent 60%);
}

.service-detail-header .header-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.service-detail-header .service-badge {
    display: inline-block;
    background: rgba(0, 212, 255, 0.15);
    border: 1px solid rgba(0, 212, 255, 0.25);
    color: var(--primary-light);
    padding: 0.4rem 1.2rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.service-detail-header h1 {
    font-size: 3rem;
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.service-detail-header .header-desc {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.service-detail-header .header-price {
    display: inline-flex;
    align-items: baseline;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 0.8rem 2rem;
    border-radius: var(--radius-full);
}

.service-detail-header .header-price .price-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
}

.service-detail-header .header-price .price-amount {
    color: var(--accent);
    font-size: 2rem;
    font-weight: 900;
}

.service-detail-header .header-price .price-unit {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ---------- 服务概述 ---------- */
.service-overview {
    padding: 5rem 2rem;
    background: var(--bg-white);
}

.overview-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.overview-text h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 1.2rem;
}

.overview-text .overview-lead {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.overview-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.overview-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.2rem;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary);
}

.overview-feature-item .of-icon {
    width: 36px;
    height: 36px;
    min-width: 36px;
    background: var(--gradient-tech);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #ffffff;
}

.overview-feature-item .of-text h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.2rem;
}

.overview-feature-item .of-text p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.overview-image {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    border: 1px solid #e2e8f0;
}

.overview-image .ov-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.overview-image h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
}

.overview-image p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.overview-image .ov-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e2e8f0;
}

.overview-image .ov-stat {
    text-align: center;
}

.overview-image .ov-stat .ov-num {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--primary);
}

.overview-image .ov-stat .ov-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ---------- 服务流程 ---------- */
.service-process {
    padding: 5rem 2rem;
    background: var(--bg-light);
}

.process-header {
    text-align: center;
    margin-bottom: 4rem;
}

.process-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
}

.process-header p {
    color: var(--text-muted);
    font-size: 1rem;
}

.process-steps {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(to right, var(--primary), var(--primary-light), var(--secondary));
    z-index: 0;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.process-step .step-number {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 900;
    color: #ffffff;
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
    position: relative;
}

.process-step .step-number::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(0, 212, 255, 0.3);
}

.process-step h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.process-step p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
    max-width: 220px;
    margin: 0 auto;
}

/* ---------- 服务优势 ---------- */
.service-advantages {
    padding: 5rem 2rem;
    background: var(--bg-white);
}

.advantages-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.advantages-container .section-header {
    margin-bottom: 3rem;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.advantage-card {
    background: var(--bg-light);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.advantage-card .adv-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-tech);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.advantage-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
}

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

/* ---------- 价格方案 ---------- */
.pricing-section {
    padding: 5rem 2rem;
    background: var(--bg-light);
}

.pricing-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: var(--bg-white);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

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

.pricing-card.featured {
    border-color: var(--primary);
    border-width: 2px;
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.12);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-6px);
}

.pricing-card .pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-tech);
    color: #ffffff;
    padding: 0.3rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-card .pricing-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.pricing-card .pricing-sub {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.pricing-card .pricing-amount {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 0.3rem;
}

.pricing-card .pricing-amount .currency {
    font-size: 1.2rem;
}

.pricing-card .pricing-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.pricing-card .pricing-features {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
    text-align: left;
}

.pricing-card .pricing-features li {
    padding: 0.6rem 0;
    font-size: 0.9rem;
    color: var(--text-dark);
    border-bottom: 1px solid #f1f5f9;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pricing-card .pricing-features li::before {
    content: '✓';
    color: var(--accent);
    font-weight: 700;
    min-width: 20px;
}

.pricing-card .pricing-cta {
    display: inline-block;
    padding: 0.8rem 2.5rem;
    background: var(--primary);
    color: #ffffff;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: background 0.3s ease;
}

.pricing-card .pricing-cta:hover {
    background: var(--primary-dark);
}

.pricing-card.featured .pricing-cta {
    background: var(--gradient-tech);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.pricing-note {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ---------- CTA区域 ---------- */
.cta-section {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, var(--dark) 0%, #1a1f4e 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
}

.cta-container {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.cta-section .cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 3rem;
    background: var(--gradient-tech);
    color: #ffffff;
    border-radius: var(--radius-full);
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.25);
}

.cta-section .cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.35);
}

.cta-section .cta-hint {
    margin-top: 1.2rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ---------- FAQ ---------- */
.faq-section {
    padding: 5rem 2rem;
    background: var(--bg-white);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-container .section-header {
    margin-bottom: 3rem;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    padding: 1.2rem 1.5rem;
    background: var(--bg-light);
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    text-align: left;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: #eef3f9;
}

.faq-question .faq-toggle {
    font-size: 1.2rem;
    color: var(--primary);
    transition: transform 0.3s ease;
    min-width: 24px;
    text-align: center;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.2rem;
    max-height: 300px;
}

.faq-answer p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ---------- 服务详情页响应式 ---------- */
@media (max-width: 968px) {
    .service-detail-header {
        padding: 6rem 2rem 4rem;
    }
    .service-detail-header h1 {
        font-size: 2.2rem;
    }
    .overview-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .overview-image {
        order: -1;
    }
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }
    .process-steps::before {
        display: none;
    }
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin: 2rem auto 0;
    }
    .pricing-card.featured {
        transform: none;
    }
    .pricing-card.featured:hover {
        transform: translateY(-6px);
    }
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .service-detail-header {
        padding: 5rem 1.5rem 3rem;
    }
    .service-detail-header h1 {
        font-size: 1.8rem;
    }
    .service-detail-header .header-desc {
        font-size: 1rem;
    }
    .service-detail-header .header-price {
        flex-wrap: wrap;
        justify-content: center;
    }
    .service-detail-header .header-price .price-amount {
        font-size: 1.6rem;
    }
    .service-overview,
    .service-process,
    .service-advantages,
    .pricing-section,
    .faq-section {
        padding: 3rem 1rem;
    }
    .overview-text h2 {
        font-size: 1.5rem;
    }
    .process-header h2 {
        font-size: 1.5rem;
    }
    .process-steps {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .process-step {
        display: flex;
        align-items: center;
        gap: 1.5rem;
        text-align: left;
    }
    .process-step .step-number {
        margin: 0;
        min-width: 60px;
        width: 60px;
        height: 60px;
        font-size: 1.4rem;
    }
    .process-step p {
        margin: 0;
        max-width: none;
    }
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    .cta-section {
        padding: 3rem 1.5rem;
    }
    .cta-section h2 {
        font-size: 1.6rem;
    }
    .cta-section .cta-btn {
        width: 100%;
        justify-content: center;
    }
    .pricing-card {
        padding: 2rem 1.5rem;
    }
    .faq-question {
        padding: 1rem;
        font-size: 0.95rem;
    }
}