/* ===== 基础样式 ===== */
:root {
    --primary: #4f46e5;
    --primary-light: #818cf8;
    --primary-dark: #3730a3;
    --secondary: #0d9488;
    --secondary-light: #14b8a6;
    --accent: #d97706;
    --accent-light: #f59e0b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    --white: #ffffff;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.08);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== 顶部通知栏 ===== */
.top-notice {
    background: linear-gradient(135deg, var(--warning), #fb923c);
    color: var(--white);
    padding: 12px 0;
    font-size: 14px;
    text-align: center;
}
.top-notice strong { font-weight: 700; }

/* ===== 导航栏 ===== */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
}
.logo { 
    display: flex; 
    align-items: center; 
    gap: 14px;
    text-decoration: none;
}
.logo-img { 
    height: 56px; 
    width: 56px;
    min-width: 56px;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
    border-radius: 8px;
}
.logo-text { display: flex; flex-direction: column; }
.logo-text h1 { 
    font-size: 22px; 
    font-weight: 700; 
    color: var(--gray-900); 
    margin: 0;
    line-height: 1.3; 
}
.logo-text .logo-title { 
    font-size: 22px; 
    font-weight: 700; 
    color: var(--gray-900); 
    line-height: 1.3; 
}
.logo-text .tagline { 
    font-size: 13px; 
    color: var(--gray-500); 
    line-height: 1.3;
    margin: 0;
}

.nav { display: flex; gap: 24px; }
.nav a {
    color: var(--gray-700);
    font-size: 15px;
    font-weight: 500;
    padding: 8px 0;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}
.nav a:hover, .nav a.active { color: var(--primary-dark); border-bottom-color: var(--primary); }

.header-actions { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.phone-link { color: var(--gray-700); font-weight: 500; }
.phone-link:hover { color: var(--primary); }

/* 移动端汉堡菜单按钮 */
.hamburger {
    display: none;
    background: none; border: none; cursor: pointer;
    padding: 8px; z-index: 1001;
}
.hamburger span {
    display: block; width: 24px; height: 2px;
    background: var(--gray-700); margin: 5px 0;
    transition: var(--transition); border-radius: 2px;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* 移动端导航遮罩 */
.mobile-nav {
    display: none;
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5); z-index: 999;
    opacity: 0; transition: opacity 0.3s ease;
}
.mobile-nav.show { display: block; opacity: 1; }
.mobile-nav-inner {
    position: fixed; top: 0; right: -280px; width: 280px; height: 100%;
    background: var(--white); padding: 80px 24px 24px;
    transition: right 0.3s ease; z-index: 1000;
    box-shadow: -4px 0 20px rgba(0,0,0,0.1);
}
.mobile-nav.show .mobile-nav-inner { right: 0; }
.mobile-nav-inner a {
    display: block; padding: 14px 0; font-size: 16px; font-weight: 500;
    color: var(--gray-700); border-bottom: 1px solid var(--gray-100);
    transition: var(--transition);
}
.mobile-nav-inner a:hover, .mobile-nav-inner a:active { color: var(--primary); padding-left: 8px; }
.mobile-nav-inner .mobile-phone {
    display: block; margin-top: 24px; padding: 12px;
    background: var(--gray-50); border-radius: var(--radius);
    text-align: center; font-size: 18px; font-weight: 700; color: var(--primary);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-block; padding: 10px 24px; border-radius: var(--radius);
    font-size: 15px; font-weight: 600; text-align: center; cursor: pointer; border: none;
    transition: var(--transition);
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: var(--white); }
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}
.btn-secondary { background: var(--white); color: var(--primary-dark); border: 2px solid var(--primary); }
.btn-secondary:hover { background: var(--primary); color: var(--white); transform: translateY(-2px); }
.btn-accent { background: linear-gradient(135deg, var(--accent), var(--accent-light)); color: white; }
.btn-accent:hover { background: linear-gradient(135deg, #b45309, var(--accent)); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-block { width: 100%; }

/* ===== Hero横幅 ===== */
.hero {
    background:
        radial-gradient(ellipse at 15% 30%, rgba(124,58,237,0.3), transparent 50%),
        radial-gradient(ellipse at 85% 70%, rgba(79,70,229,0.25), transparent 50%),
        linear-gradient(135deg, #1e1b4b 0%, #312e81 30%, #4338ca 60%, #4f46e5 100%);
    color: #ffffff;
    padding: 140px 0 120px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}
.hero::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 120px;
    background: linear-gradient(to top, #ffffff, transparent);
}
.hero .container { position: relative; z-index: 1; text-align: center; }
.hero h1 {
    font-size: 54px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: 0;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #ffffff, #c4b5fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero h2 {
    font-size: 26px;
    font-weight: 600;
    margin-bottom: 16px;
    opacity: 0.95;
    letter-spacing: 0;
}
.hero-subtitle { font-size: 18px; margin-bottom: 4px; opacity: 0.9; }
.hero-desc { font-size: 15px; opacity: 0.75; margin-bottom: 32px; }
.hero-tags {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}
.hero-tag {
    background: rgba(255,255,255,0.1);
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 14px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.08);
    transition: all 0.3s ease;
}
.hero-tag:hover {
    background: rgba(255,255,255,0.18);
    transform: translateY(-2px);
}
.hero-buttons { display: flex; gap: 14px; justify-content: center; margin-bottom: 56px; }
.hero-stats {
    display: inline-flex;
    align-items: center;
    gap: 0;
    padding: 20px 36px;
    background: rgba(255,255,255,0.06);
    border-radius: 16px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
}
.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 28px;
}
.stat-number { font-size: 26px; font-weight: 800; }
.stat-label { font-size: 13px; opacity: 0.75; margin-top: 4px; white-space: nowrap; }
.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.15);
}
.hero {
    background:
        radial-gradient(circle at 15% 20%, rgba(168,85,247,0.4), transparent 45%),
        radial-gradient(circle at 85% 80%, rgba(79,70,229,0.4), transparent 45%),
        linear-gradient(135deg, #312e81 0%, #4338ca 30%, #4f46e5 60%, #6d28d9 100%);
    color: var(--white);
    padding: 120px 0 100px;
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: linear-gradient(to top, var(--white), transparent);
}
.hero .container { position: relative; z-index: 1; text-align: center; }
.hero h1 {
    font-size: 52px;
    font-weight: 800;
    margin-bottom: 12px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.2);
    letter-spacing: -1px;
    line-height: 1.2;
}
.hero h2 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 16px;
    opacity: 0.95;
    letter-spacing: -0.5px;
}
.hero-subtitle { font-size: 20px; margin-bottom: 8px; opacity: 0.9; }
.hero-desc { font-size: 16px; opacity: 0.85; margin-bottom: 28px; }
.hero-tags { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-tags span {
    background: rgba(255,255,255,0.15);
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 14px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition);
}
.hero-tags span:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-2px);
}
.hero-buttons { display: flex; gap: 16px; justify-content: center; margin-bottom: 48px; }
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding: 24px 40px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.15);
    max-width: 600px;
    margin: 0 auto;
}
.stat-item { text-align: center; }
.stat-number { font-size: 28px; font-weight: 800; color: var(--white); }
.stat-label { font-size: 13px; opacity: 0.8; margin-top: 4px; }
/* ===== 通用Section ===== */
.section {
    padding: 100px 0;
    position: relative;
}
.section-alt {
    background: #f9fafb;
    position: relative;
}
.section-plans {
    background: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
}
.section-title {
    text-align: center;
    font-size: 34px;
    font-weight: 800;
    color: #111827;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
    position: relative;
    padding-bottom: 20px;
}
.section-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 56px;
    height: 3px;
    background: linear-gradient(90deg, #4f46e5, #7c3aed);
    border-radius: 2px;
}
.section-subtitle {
    text-align: center;
    font-size: 17px;
    color: #6b7280;
    margin-top: 20px;
    margin-bottom: 52px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}
.section {
    padding: 100px 0;
    position: relative;
}
.section::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    max-width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gray-300), transparent);
}
.section:last-of-type::after {
    display: none;
}
.section-alt {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
}
.section-alt::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), #7c3aed, var(--primary-light));
    opacity: 0.3;
}
.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
    position: relative;
    padding-bottom: 20px;
}
.section-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), #7c3aed);
    border-radius: 2px;
}
.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--gray-500);
    margin-top: 24px;
    margin-bottom: 56px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}
/* ===== 服务项目 ===== */
.services-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}
.service-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 36px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-100);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}
.featured-service {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 100%);
    border: 2px solid #e9d5ff;
}
.service-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.service-icon {
    font-size: 48px;
    line-height: 1;
}
.service-badge {
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    color: var(--white);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}
.service-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--gray-900);
}
.service-card > p {
    color: var(--gray-600);
    margin-bottom: 20px;
    line-height: 1.6;
}
.service-features {
    list-style: none;
    padding: 0;
}
.service-features li {
    padding: 8px 0;
    color: var(--gray-700);
    font-size: 15px;
    border-bottom: 1px solid var(--gray-100);
}
.service-features li:last-child {
    border-bottom: none;
}
.geo-channels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.channel-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px;
    background: rgba(255,255,255,0.8);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}
.channel-item:hover {
    background: var(--white);
    transform: translateX(4px);
}
.channel-icon {
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}
.channel-item strong {
    display: block;
    font-size: 14px;
    color: var(--gray-800);
    margin-bottom: 2px;
}
.channel-item small {
    display: block;
    font-size: 13px;
    color: var(--gray-500);
}
/* ===== 服务流程 ===== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    position: relative;
}
.process-step {
    background: #ffffff;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    border: 1px solid #f3f4f6;
    transition: all 0.3s ease;
    position: relative;
}
.process-step:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(0,0,0,0.08);
    border-color: #e0e7ff;
}
.step-number {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    margin: 0 auto 16px;
    box-shadow: 0 4px 12px rgba(79,70,229,0.2);
}
.process-step h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; color: #111827; }
.process-step p { font-size: 14px; color: #6b7280; line-height: 1.6; }
@media (max-width: 768px) {
    .process-steps { grid-template-columns: 1fr; }
}
.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
}
.process-step {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-100);
    transition: all 0.4s ease;
    position: relative;
}
.process-step:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}
.step-number {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin: 0 auto 16px;
}
.process-step h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--gray-900);
}
.process-step p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
}
/* ===== 技术体系 ===== */
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.tech-card {
    background: var(--white); border-radius: var(--radius-lg); padding: 28px;
    box-shadow: var(--shadow); text-align: center; transition: var(--transition);
    border: 1px solid #e8e6f5;
}
.tech-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.tech-icon { font-size: 48px; margin-bottom: 16px; }
.tech-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 8px; color: var(--gray-900); }
.tech-desc { font-size: 14px; color: var(--primary); font-weight: 600; margin-bottom: 8px; }
.tech-card p { font-size: 14px; color: var(--gray-600); }

/* ===== 关于我们（全新设计） ===== */

/* 企业简介双列布局 */
.about-intro {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: start;
    margin-bottom: 40px;
}
.about-highlight-tag {
    display: inline-block;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: #fff;
    padding: 4px 14px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 16px;
}
.about-intro-left h3 {
    font-size: 30px;
    font-weight: 800;
    color: #111827;
    line-height: 1.3;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}
.about-intro-left p {
    font-size: 15px;
    color: #4b5563;
    line-height: 1.8;
    margin-bottom: 16px;
}

/* 数据行 */
.about-stats-row {
    display: flex;
    gap: 0;
    margin-top: 28px;
    background: #f9fafb;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #f3f4f6;
}
.about-stat {
    flex: 1;
    text-align: center;
    padding: 20px 12px;
    position: relative;
}
.about-stat:not(:last-child)::after {
    content: "";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 32px;
    background: #e5e7eb;
}
.about-stat-num {
    display: block;
    font-size: 24px;
    font-weight: 800;
    color: #4f46e5;
}
.about-stat-lbl {
    display: block;
    font-size: 13px;
    color: #6b7280;
    margin-top: 4px;
}

/* 右侧品牌卡片 */
.about-logo-card {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
    border-radius: 20px;
    padding: 40px 32px;
    color: #fff;
    text-align: center;
}
.about-logo-icon {
    font-size: 56px;
    margin-bottom: 12px;
}
.about-logo-card h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}
.about-logo-card p {
    font-size: 14px;
    opacity: 0.8;
    line-height: 1.6;
    margin-bottom: 24px;
}
.about-contact-card {
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 13px;
    opacity: 0.9;
}

/* 行业标签 */
.about-industries {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    padding: 20px 32px;
    background: linear-gradient(135deg, #f5f3ff, #ede9fe);
    border-radius: 16px;
    flex-wrap: wrap;
}
.industry-label {
    font-size: 16px;
    font-weight: 700;
    color: #1e1b4b;
    white-space: nowrap;
}
.industry-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.industry-tag {
    background: #fff;
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 14px;
    color: #374151;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    transition: all 0.2s ease;
}
.industry-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* 使命愿景价值观 */
.mvv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}
.mvv-card {
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
}
.mvv-card:hover {
    transform: translateY(-6px);
}
.mvv-mission {
    background: linear-gradient(180deg, #eff6ff, #dbeafe);
    border: 1px solid #bfdbfe;
}
.mvv-vision {
    background: linear-gradient(180deg, #faf5ff, #f3e8ff);
    border: 1px solid #e9d5ff;
}
.mvv-value {
    background: linear-gradient(180deg, #ecfdf5, #d1fae5);
    border: 1px solid #a7f3d0;
}
.mvv-icon {
    font-size: 40px;
    margin-bottom: 12px;
}
.mvv-card h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
}
.mvv-mission h4 { color: #1e40af; }
.mvv-vision h4 { color: #6d28d9; }
.mvv-value h4 { color: #047857; }
.mvv-card p {
    font-size: 14px;
    line-height: 1.7;
}
.mvv-mission p { color: #1e40af; opacity: 0.8; }
.mvv-vision p { color: #6d28d9; opacity: 0.8; }
.mvv-value p { color: #047857; opacity: 0.8; }

/* 主体声明 */
.about-disclaimer {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: linear-gradient(135deg, #fffbeb, #fef3c7);
    border: 1px solid #fcd34d;
    border-radius: 16px;
    padding: 24px 28px;
}
.disclaimer-icon {
    font-size: 28px;
    flex-shrink: 0;
    margin-top: 2px;
}
.disclaimer-body h4 {
    font-size: 15px;
    font-weight: 700;
    color: #92400e;
    margin-bottom: 6px;
}
.disclaimer-body p {
    font-size: 14px;
    color: #78350f;
    line-height: 1.6;
    margin-bottom: 4px;
}

/* 响应式 */
@media (max-width: 768px) {
    .about-intro {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .about-intro-left h3 { font-size: 24px; }
    .mvv-grid { grid-template-columns: 1fr; }
    .about-stats-row { flex-wrap: wrap; }
    .about-stat { flex: 1 1 45%; }
    .about-stat:nth-child(2)::after { display: none; }
    .about-industries { flex-direction: column; text-align: center; }
}


.featured-tech {
    grid-column: span 3;
    background: linear-gradient(135deg, #eef2ff, #f5f3ff);
    border: 2px solid var(--primary-light);
    text-align: center;
}
.tech-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    color: white; padding: 4px 14px; border-radius: 12px; font-size: 12px; font-weight: 700;
    margin-bottom: 16px;
}
.tech-features { list-style: none; padding: 0; max-width: 600px; margin: 16px auto; }
.tech-features li {
    font-size: 14px; padding: 10px 0;
    border-bottom: 1px solid rgba(59,130,246,0.1); color: var(--gray-700);
}
.tech-features li:last-child { border-bottom: none; }
.tech-247 {
    font-size: 16px; font-weight: 600; color: var(--primary-dark) !important;
    padding: 12px; background: rgba(59,130,246,0.1); border-radius: var(--radius);
    max-width: 400px; margin: 8px auto 0;
}

/* ===== 服务案例 ===== */
.cases-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.case-card {
    background: var(--white); border-radius: var(--radius-lg); padding: 24px;
    box-shadow: 0 1px 3px rgba(79,70,229,0.06), 0 1px 2px rgba(79,70,229,0.04); transition: var(--transition);
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.case-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.case-tag {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white); padding: 4px 12px; border-radius: 12px; font-size: 12px; font-weight: 600;
}
.case-date { font-size: 12px; color: var(--gray-500); }
.case-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--gray-900); }
.case-desc { font-size: 14px; color: var(--gray-600); line-height: 1.6; margin-bottom: 16px; }
.case-metrics {
    display: flex; gap: 24px; margin-bottom: 16px;
    padding: 12px; background: var(--gray-50); border-radius: var(--radius);
}
.case-metrics .metric-value { font-size: 24px; font-weight: 700; color: var(--primary-dark); }
.case-metrics .metric-label { font-size: 12px; color: var(--gray-500); }
.case-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.case-tags span { background: var(--gray-100); color: var(--gray-600); padding: 4px 10px; border-radius: 4px; font-size: 12px; }
.cases-cta { text-align: center; margin-top: 32px; padding: 24px; background: var(--gray-50); border-radius: var(--radius); }
.cases-cta p { font-size: 16px; margin-bottom: 16px; color: var(--gray-600); }

/* ===== 服务保障 ===== */
.guarantee-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.guarantee-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    border: 1px solid #f3f4f6;
    transition: all 0.3s ease;
}
.guarantee-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(0,0,0,0.08);
}
.guarantee-icon { font-size: 38px; margin-bottom: 14px; display: block; }
.guarantee-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; color: #111827; }
.guarantee-card p { font-size: 14px; color: #6b7280; line-height: 1.6; }
@media (max-width: 768px) {
    .guarantee-grid { grid-template-columns: 1fr; }
}
.guarantee-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.guarantee-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-100);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.guarantee-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}
.guarantee-icon {
    font-size: 40px;
    margin-bottom: 16px;
    display: block;
}
.guarantee-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--gray-900);
}
.guarantee-card p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
}
/* ===== 联系我们 ===== */
.contact-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 60px; max-width: 1100px; margin: 0 auto; }
.contact-form-wrapper { background: var(--white); padding: 40px; border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); }
.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; color: var(--gray-700); }
input, select, textarea {
    width: 100%; padding: 14px 18px; border: 2px solid var(--gray-200);
    border-radius: 10px; font-size: 15px; transition: var(--transition);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,70,229,0.1); }
.contact-info { display: flex; flex-direction: column; gap: 32px; }
.contact-info-item { display: flex; gap: 20px; align-items: flex-start; padding: 20px; background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); transition: var(--transition); }
.contact-info-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.info-icon { font-size: 36px; flex-shrink: 0; width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #eef2ff, #f8faff); border-radius: 12px; }
.contact-info-item h4 { font-size: 16px; font-weight: 700; margin-bottom: 6px; color: var(--gray-900); }
.contact-info-item p { font-size: 16px; color: var(--gray-700); margin: 0; line-height: 1.6; }

/* 微信二维码 */
.wechat-item { 
    align-items: center !important;
    background: var(--gray-50);
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid #e8e6f5;
    gap: 20px;
}
.wechat-qr { 
    flex-shrink: 0;
    width: 200px;
    height: 200px;
    background: white;
    padding: 10px;
    border-radius: 14px;
    box-shadow: 0 4px 20px rgba(79,70,229,0.15);
}
.wechat-qr .qr-img {
    width: 100%; 
    height: 100%;
    border-radius: 8px;
    object-fit: contain;
    display: block;
}
.wechat-item h4 { font-size: 20px; font-weight: 700; color: var(--primary-dark); }
.wechat-item p { font-size: 17px; line-height: 1.7; }

/* (2026-07-07 已删除 AI 引擎选择器样式 — 改为纯前端演示模式，无需后端/API) */

/* ===== 页脚 ===== */
.footer { background: #0f0d2e; color: var(--white); padding: 60px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 40px; }
.footer-brand h3 { font-size: 20px; margin-bottom: 12px; }
.footer-tagline { font-size: 14px; line-height: 1.6; margin-bottom: 16px; opacity: 0.8; }
.footer-contact { font-size: 14px; line-height: 1.8; opacity: 0.8; }
.footer-contact a { color: rgba(255,255,255,0.8); }
.footer-links h4, .footer-disclaimer h4 { font-size: 16px; font-weight: 600; margin-bottom: 16px; }
.footer-links a { display: block; color: rgba(255,255,255,0.7); font-size: 14px; padding: 6px 0; }
.footer-links a:hover { color: var(--white); }
.footer-disclaimer p { font-size: 13px; line-height: 1.6; opacity: 0.7; margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; }
.footer-bottom p { font-size: 13px; opacity: 0.7; margin-bottom: 4px; }
.footer-bottom a { color: rgba(255,255,255,0.7); }

/* 独立页面上线后，桌面导航在较窄屏幕切换为菜单，避免文字重叠。 */
@media (max-width: 1100px) {
    .header .nav,
    .header .header-actions { display: none; }
    .header .hamburger { display: block; }
}

@media (max-width: 520px) {
    .header .container { padding: 12px 16px; }
    .logo-img { width: 44px; height: 44px; min-width: 44px; }
    .logo-text .logo-title { font-size: 17px; }
    .logo-text .tagline { font-size: 11px; }
    .top-notice { font-size: 12px; padding: 9px 0; }
}


/* ===== 联系表单=提交按钮放大 ===== */
.contact-form .btn-block {
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 700;
    border-radius: 10px;
    margin-top: 8px;
}

/* ===== 合作套餐（全新设计） ===== */
.section-plans {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}
.plans-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    align-items: stretch;
}
.plan-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: 1px solid var(--gray-200);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}
.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 24px 48px rgba(0,0,0,0.12);
    border-color: var(--primary-light);
}
.plan-card-inner {
    padding: 36px 24px;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.plan-icon {
    font-size: 44px;
    margin-bottom: 16px;
    text-align: center;
}
.plan-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 6px;
}
.plan-desc {
    font-size: 14px;
    color: var(--gray-500);
    text-align: center;
    margin-bottom: 20px;
}





.plan-badge-free {
    display: inline-block;
    background: linear-gradient(135deg, #10b981, #059669);
    color: #ffffff;
    padding: 6px 24px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 700;
    margin: 0 auto 20px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(16,185,129,0.25);
}
.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    flex: 1;
}
.plan-features li {
    padding: 10px 0;
    font-size: 15px;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px dashed var(--gray-100);
}
.plan-features li:last-child {
    border-bottom: none;
}
.check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background: #ecfdf5;
    color: #10b981;
    border-radius: 50%;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}
.plan-btn {
    display: block;
    text-align: center;
    padding: 14px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
}
.plan-btn-primary {
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    color: var(--white);
}
.plan-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(79,70,229,0.35);
    color: var(--white);
}
.plan-btn-outline {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--gray-200);
}
.plan-btn-outline:hover {
    border-color: var(--primary);
    background: var(--gray-50);
    transform: translateY(-2px);
}

/* 推荐卡片 */
.featured-plan {
    border: 2px solid var(--primary);
    transform: scale(1.05);
    z-index: 2;
    box-shadow: 0 8px 32px rgba(79,70,229,0.15);
}
.featured-plan:hover {
    transform: scale(1.05) translateY(-10px);
    box-shadow: 0 24px 48px rgba(79,70,229,0.2);
}
.featured-plan .plan-card-inner {
    padding: 40px 24px;
}
.plan-badge {
    position: absolute;
    top: -13px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    padding: 5px 22px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    z-index: 3;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(245,158,11,0.3);
}

/* ===== 响应式：套餐 ===== */
@media (max-width: 1100px) {
    .plans-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 700px;
        margin: 0 auto;
    }
    .featured-plan {
        transform: none;
    }
    .featured-plan:hover {
        transform: translateY(-10px);
    }
}
@media (max-width: 640px) {
    .plans-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    .plan-card-inner {
        padding: 28px 20px;
    }
    .plan-amount {
        font-size: 28px;
    }
}
/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    .plan-grid {
        grid-template-columns: 1fr 1fr;
    }
    .process-steps {
        grid-template-columns: 1fr 1fr;
    }
    .geo-channels {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .section-title { font-size: 28px; }
    .section-subtitle { font-size: 16px; margin-bottom: 36px; }
    .plan-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .plan-card:nth-child(2) { transform: none; }
    .plan-card:nth-child(2):hover { transform: translateY(-8px); }
    .process-steps { grid-template-columns: 1fr; }
    .services-grid { gap: 20px; }
    .service-card { padding: 24px; }
    .hero { padding: 60px 0; }
    .hero h1 { font-size: 32px; }
    .hero h2 { font-size: 22px; }
    .hero-stats { gap: 20px; }
}
@media (max-width: 480px) {
    .section { padding: 40px 0; }
    .section-title { font-size: 24px; }
    .hero h1 { font-size: 26px; }
    .hero-subtitle { font-size: 15px; }
    .step-number { width: 44px; height: 44px; font-size: 16px; }
}
/* ===== 免费GEO检测（演示模式 · 纯前端 · 无需后端/API） ===== */
.geocheck-result-hidden { display: none; }

.result-loaded { animation: fadeIn 0.5s ease; }
.result-header { text-align: center; margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid rgba(59,130,246,0.2); }
.result-header h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; color: var(--gray-900); }

.score-ring { position: relative; width: 120px; height: 120px; margin: 0 auto 16px; }
.score-ring svg { transform: rotate(-90deg); }
.score-ring .bg { fill: none; stroke: var(--gray-200); stroke-width: 8; }
.score-ring .progress { fill: none; stroke-width: 8; stroke-linecap: round; transition: stroke-dashoffset 1s ease; }
.score-value { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-size: 32px; font-weight: 800; color: var(--gray-900); }
.score-label { font-size: 14px; color: var(--gray-500); }

.grade-badge { display: inline-block; padding: 4px 16px; border-radius: 16px; font-size: 14px; font-weight: 700; color: white; margin-top: 8px; }
.grade-a { background: var(--success); }
.grade-b { background: #22c55e; }
.grade-c { background: var(--warning); }
.grade-d { background: #f97316; }
.grade-e { background: var(--danger); }

.dimensions-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin: 24px 0; }
.dimension-item { text-align: center; padding: 16px 8px; background: var(--white); border-radius: var(--radius); border: 1px solid #e8e6f5; }
.dimension-score { font-size: 24px; font-weight: 800; margin-bottom: 4px; }
.dimension-label { font-size: 12px; color: var(--gray-500); }
.score-high { color: var(--success); }
.score-mid { color: var(--warning); }
.score-low { color: var(--danger); }

.result-overview { padding: 16px; background: var(--gray-50); border-radius: var(--radius); margin: 16px 0; font-size: 14px; line-height: 1.8; color: var(--gray-700); }
.result-overview p { margin-bottom: 8px; }
.result-overview p:last-child { margin-bottom: 0; }

.result-suggestions { margin: 16px 0; }
.result-suggestions h4 { font-size: 15px; font-weight: 600; margin-bottom: 12px; color: var(--gray-800); }
.suggestion-item { display: flex; gap: 10px; align-items: flex-start; padding: 10px 14px; background: var(--white); border-radius: var(--radius); margin-bottom: 8px; border-left: 3px solid var(--primary-light); }
.suggestion-num { flex-shrink: 0; width: 24px; height: 24px; background: var(--primary); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; }
.suggestion-item p { font-size: 13px; color: var(--gray-700); line-height: 1.6; }

.result-error { padding: 20px; background: #fef2f2; border: 1px solid #fecaca; border-radius: var(--radius); text-align: center; color: var(--danger); }

.result-loading { text-align: center; padding: 40px; }
.spinner { width: 40px; height: 40px; border: 4px solid var(--gray-200); border-top: 4px solid var(--primary); border-radius: 50%; animation: spin 1s linear infinite; margin: 0 auto 16px; }
@keyframes spin { to { transform: rotate(360deg); } }

.geocheck-cta { text-align: center; margin-top: 24px; padding-top: 20px; border-top: 1px solid rgba(59,130,246,0.2); }
.geocheck-cta p { font-size: 14px; color: var(--gray-600); margin-bottom: 12px; }

/* ===== 回到顶部 ===== */
.back-to-top {
    position: fixed; bottom: 40px; right: 40px; z-index: 999;
    width: 48px; height: 48px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white; font-size: 24px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-lg); cursor: pointer;
    opacity: 0; visibility: hidden;
    transition: all 0.3s ease;
    text-decoration: none;
}
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    color: white;
}
@media (max-width: 768px) {
    .back-to-top { bottom: 24px; right: 24px; width: 42px; height: 42px; font-size: 20px; }
}

/* ===== GEO 自检 V3 改版 ===== */
.geocheck-v3 {
    padding: 100px 0 80px;
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(79,70,229,0.08), transparent),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(168,85,247,0.06), transparent),
        linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
}

/* Header */
.geocheck-v3-header {
    text-align: center;
    margin-bottom: 40px;
}
.geocheck-v3-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, rgba(79,70,229,.08), rgba(168,85,247,.06));
    color: #4f46e5;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: 24px;
    margin-bottom: 20px;
    border: 1px solid rgba(79,70,229,.15);
}
.geocheck-v3-title {
    font-size: 36px;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}
.geocheck-v3-subtitle {
    font-size: 16px;
    color: #64748b;
    max-width: 480px;
    margin: 0 auto;
}

/* Main Card */
.geocheck-v3-main {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 28px;
    padding: 36px 40px 32px;
    box-shadow:
        0 4px 6px -1px rgba(0,0,0,0.02),
        0 12px 24px -6px rgba(79,70,229,0.08),
        0 24px 48px -12px rgba(79,70,229,0.12);
    border: 1px solid rgba(226, 232, 240, 0.8);
}

/* 5大维度 - 彩色胶囊 */
.geocheck-v3-dims {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 28px;
}
.dim-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    border: 1.5px solid;
    transition: all 0.2s ease;
    cursor: default;
}
.dim-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.dim-icon { font-size: 15px; }

.dim-baidu {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
    border-color: #93c5fd;
}
.dim-ai {
    background: linear-gradient(135deg, #f3e8ff 0%, #e9d5ff 100%);
    color: #6b21a8;
    border-color: #c4b5fd;
}
.dim-video {
    background: linear-gradient(135deg, #fce7f3 0%, #fbcfe8 100%);
    color: #9d174d;
    border-color: #f9a8d4;
}
.dim-map {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
    border-color: #6ee7b7;
}
.dim-content {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
    border-color: #fcd34d;
}

/* 搜索框区域 */
.geocheck-v3-search {
    margin-bottom: 20px;
}
.search-box {
    display: flex;
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 6px;
    transition: all 0.2s ease;
}
.search-box:focus-within {
    background: white;
    border-color: #4f46e5;
    box-shadow: 0 0 0 4px rgba(79,70,229,0.1);
}
.search-input {
    flex: 1;
    min-width: 0;
    padding: 14px 18px;
    border: none;
    background: transparent;
    font-size: 16px;
    color: #1e293b;
    outline: none;
}
.search-input::placeholder {
    color: #94a3b8;
}
.search-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    color: white;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}
.search-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px -4px rgba(79,70,229,0.5);
}
.search-btn:active {
    transform: translateY(0);
}
.search-hint {
    text-align: center;
    margin-top: 12px;
    font-size: 13px;
    color: #64748b;
}

/* 快速试用 */
.geocheck-v3-quick {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
.quick-label {
    font-size: 13px;
    color: #64748b;
    font-weight: 500;
}
.quick-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.quick-chip {
    padding: 8px 16px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    font-size: 13px;
    color: #475569;
    cursor: pointer;
    transition: all 0.15s ease;
}
.quick-chip:hover {
    border-color: #4f46e5;
    color: #4f46e5;
    background: rgba(79,70,229,0.04);
    transform: translateY(-1px);
}

/* 专业检测 CTA */
.geocheck-v3-pro {
    max-width: 800px;
    margin: 32px auto 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    border-radius: 20px;
    padding: 28px 36px;
    box-shadow: 0 20px 40px -12px rgba(15,23,42,0.4);
}
.pro-content {
    display: flex;
    align-items: center;
    gap: 20px;
}
.pro-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    flex-shrink: 0;
}
.pro-text {
    flex: 1;
}
.pro-text h4 {
    color: white;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
}
.pro-text p {
    color: #94a3b8;
    font-size: 14px;
    margin: 0;
}
.pro-btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 28px;
    background: white;
    color: #0f172a;
    font-size: 15px;
    font-weight: 600;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.2s ease;
    flex-shrink: 0;
}
.pro-btn:hover {
    background: #f1f5f9;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px -4px rgba(0,0,0,0.3);
}

/* 响应式 */
@media (max-width: 768px) {
    .geocheck-v3 { padding: 60px 0 50px; }
    .geocheck-v3-title { font-size: 28px; }
    .geocheck-v3-main { padding: 28px 24px 24px; margin: 0 16px; }
    .geocheck-v3-dims { gap: 8px; }
    .dim-tag { padding: 8px 14px; font-size: 13px; }
    .search-box { flex-direction: column; }
    .search-btn { width: 100%; justify-content: center; }
    .geocheck-v3-pro { margin: 24px 16px 0; padding: 24px; }
    .pro-content { flex-direction: column; text-align: center; }
    .pro-icon { width: 48px; height: 48px; font-size: 24px; }
}

@media (max-width: 480px) {
    .geocheck-v3-title { font-size: 24px; }
    .dim-tag { padding: 6px 12px; font-size: 12px; }
    .quick-chip { padding: 6px 12px; font-size: 12px; }
}


/* ===== 视觉增强 ===== */

/* 卡片统一悬浮效果 */
.card, .service-card, .plan-card, .case-card, .tech-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.card:hover, .service-card:hover, .plan-card:hover, .case-card:hover, .tech-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}

/* 按钮微交互 */
.btn:active {
    transform: scale(0.97);
}

/* 主按钮渐变 */
.btn-primary {
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    border: none;
    position: relative;
    overflow: hidden;
}
.btn-primary::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.6s ease;
}
.btn-primary:hover::before {
    left: 100%;
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79,70,229,0.35);
}

/* 页面淡入 */
body {
    animation: pageIn 0.5s ease-out;
}
@keyframes pageIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Hero 淡入 */
.hero {
    animation: heroFadeIn 0.8s ease-out;
}
@keyframes heroFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 特色区域卡片样式 */
.section-alt .service-card,
.section-alt .case-card,
.section-alt .process-step {
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 1px solid var(--gray-200);
}

/* 微信二维码 */
.wechat-item {
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    border-radius: var(--radius-lg);
    padding: 20px;
    border: 1px solid #a7f3d0;
}
.qr-img {
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.qr-img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}
/* ===== 新增：浮动咨询按钮 ===== */
.float-consult {
    position: fixed;
    bottom: 100px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.float-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
    text-decoration: none;
    color: white;
}
.float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}
.float-phone { background: linear-gradient(135deg, #22c55e, #16a34a); }
.float-wechat { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.float-form { background: linear-gradient(135deg, var(--primary), #7c3aed); }

/* ===== 新增：案例卡片增强 ===== */
.case-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-100);
    transition: all 0.4s ease;
}
.case-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}
.case-metrics {
    display: flex;
    gap: 24px;
    margin: 16px 0;
}
.metric {
    text-align: center;
    background: var(--gray-50);
    padding: 12px 16px;
    border-radius: var(--radius);
    flex: 1;
}
.metric-value {
    display: block;
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
}
.metric-label {
    display: block;
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 2px;
}

/* ===== 新增：联系区地图 ===== */
.contact-map {
    margin-top: 24px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
}

}
@media (max-width: 768px) {
    .plans-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .plans-grid .featured-plan { transform: none; }
    .plans-grid .featured-plan:hover { transform: translateY(-8px); }
    .float-consult { bottom: 80px; right: 12px; }
    .float-btn { width: 44px; height: 44px; font-size: 20px; }
}

/* ===== FAQ 简约列表 ===== */
.faq-simple {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-row {
    display: flex;
    gap: 20px;
    padding: 24px;
    border: 1px dashed #cbd5e1;
    border-radius: 10px;
    background-color: #ffffff;
}

.faq-num {
    font-size: 13px;
    font-weight: 700;
    color: #7c3aed;
    background-color: #f3f0ff;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    flex-shrink: 0;
}

.faq-content { flex: 1; }
.faq-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 8px;
    line-height: 1.5;
}
.faq-content p {
    font-size: 14px;
    line-height: 1.8;
    color: #64748b;
}

@media (max-width: 768px) {
    .faq-row { gap: 14px; padding: 18px; }
    .faq-num { width: 30px; height: 30px; font-size: 11px; }
    .faq-content h4 { font-size: 14px; }
    .faq-content p { font-size: 13px; }
}


/* ===== 联系区信任徽章 ===== */
.contact-trust {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 40px;
}
.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 18px 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    transition: all 0.3s ease;
}
.trust-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(79,70,229,0.12);
    border-color: var(--primary-light);
}
.trust-icon {
    font-size: 26px;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(79,70,229,0.1), rgba(168,85,247,0.08));
    border-radius: 12px;
}
.trust-text { display: flex; flex-direction: column; }
.trust-text strong { font-size: 15px; color: var(--gray-900); font-weight: 700; }
.trust-text span { font-size: 12px; color: var(--gray-500); margin-top: 2px; }

/* 微信二维码增强 */
.qr-img { width: 150px; height: 150px; }
.qr-tip {
    display: inline-block;
    margin-top: 8px;
    font-size: 12px;
    color: #059669;
    background: rgba(16,185,129,0.1);
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: 600;
}
.form-note {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 12px;
    text-align: center;
    line-height: 1.6;
}

/* 信任徽章响应式 */
@media (max-width: 900px) {
    .contact-trust { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .contact-trust { grid-template-columns: 1fr; }
}
.float-form { background: linear-gradient(135deg, var(--primary), #7c3aed); }



/* ===== 行业百科 · 知识库 ===== */
.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}
.knowledge-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 36px 28px;
    text-align: center;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    border: 1px solid #f3f4f6;
    transition: all 0.3s ease;
}
.knowledge-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 32px rgba(0,0,0,0.08);
}
.placeholder-card {
    border: 1px dashed #cbd5e1;
    background: linear-gradient(180deg, #fafafa, #ffffff);
}
.add-card {
    border: 1px dashed #a78bfa;
    background: linear-gradient(180deg, #f5f3ff, #ffffff);
    cursor: pointer;
}
.add-card:hover {
    border-color: #7c3aed;
}
.k-card-icon {
    font-size: 42px;
    margin-bottom: 12px;
}
.knowledge-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 10px;
}
.knowledge-card p {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 16px;
}
.k-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 100px;
    background: #f3f4f6;
    color: #6b7280;
}
.link-tag {
    background: #ede9fe;
    color: #6d28d9;
}
@media (max-width: 768px) {
    .knowledge-grid { grid-template-columns: 1fr; }
}