/* ==========================================
   Google Map Review - 企业级声誉管理官网
   Design System & Global Styles
   ========================================== */

/* === 1. DESIGN TOKENS === */
:root {
    --primary: #1a73e8;
    --primary-dark: #1557b0;
    --primary-light: #e8f0fe;
    --primary-rgb: 26, 115, 232;
    --secondary: #34a853;
    --secondary-dark: #1e8e3e;
    --accent-red: #ea4335;
    --accent-yellow: #fbbc04;
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --text-tertiary: #80868b;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #202124;
    --border: #dadce0;
    --border-light: #e8eaed;

    --shadow-sm: 0 1px 3px rgba(60,64,67,0.08), 0 1px 2px rgba(60,64,67,0.04);
    --shadow-md: 0 4px 12px rgba(60,64,67,0.12);
    --shadow-lg: 0 8px 30px rgba(60,64,67,0.1);
    --shadow-xl: 0 16px 48px rgba(60,64,67,0.12);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 50px;

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.25rem;

    --section-py: 80px;
    --section-py-sm: 60px;
    --max-width: 1200px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === 2. RESET & BASE === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
    font-family: var(--font-family);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-white);
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--text-primary); }
h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
ul, ol { list-style: none; }

/* === 3. LAYOUT UTILITIES === */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section-py) 0; }
.section-sm { padding: var(--section-py-sm) 0; }
.section-bg { background: var(--bg-light); }
.section-dark { background: var(--bg-dark); color: #fff; }
.section-primary { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: #fff; }

.section-header { text-align: center; max-width: 720px; margin: 0 auto 50px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { color: var(--text-secondary); font-size: var(--text-lg); }
.section-header .section-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: 12px;
}
.section-dark .section-header p { color: rgba(255,255,255,0.7); }
.section-dark .section-header .section-tag { background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.9); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.text-center { text-align: center; }

/* === 4. TOP BAR === */
.top-bar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    padding: 10px 0;
    font-size: var(--text-sm);
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-bar-left { display: flex; align-items: center; gap: 24px; }
.top-bar-left a, .top-bar-left span { color: rgba(255,255,255,0.9); display: flex; align-items: center; gap: 6px; }
.top-bar-left a:hover { color: #fff; }
.top-bar-left i { font-size: 12px; }
.top-bar-right { display: flex; align-items: center; gap: 16px; }

.lang-switch {
    display: flex; align-items: center; gap: 2px;
    background: rgba(255,255,255,0.15); border-radius: var(--radius-full); padding: 2px;
}
.lang-switch a {
    color: rgba(255,255,255,0.7); padding: 4px 12px; border-radius: var(--radius-full);
    font-size: var(--text-xs); font-weight: 600; transition: var(--transition);
}
.lang-switch a.active { background: #fff; color: var(--primary); }
.lang-switch a:hover:not(.active) { color: #fff; }

/* === 5. NAVBAR === */
.navbar {
    position: sticky; top: 0; z-index: 1000;
    background: var(--bg-white); box-shadow: var(--shadow-sm); transition: var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-md); }
.navbar .container { display: flex; align-items: center; justify-content: space-between; height: 70px; }

.logo a { display: flex; align-items: center; gap: 10px; color: var(--text-primary); }
.logo a:hover { opacity: 0.85; }
.logo-icon { display: flex; gap: 3px; }
.logo-icon span { display: block; width: 4px; height: 24px; border-radius: 2px; }
.logo-icon span:nth-child(1) { background: var(--primary); }
.logo-icon span:nth-child(2) { background: var(--accent-red); }
.logo-icon span:nth-child(3) { background: var(--accent-yellow); }
.logo-icon span:nth-child(4) { background: var(--secondary); }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-cn { font-size: var(--text-base); font-weight: 700; }
.logo-en { font-size: var(--text-xs); color: var(--text-secondary); font-weight: 500; }

.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }
.nav-item > a {
    display: flex; align-items: center; gap: 4px; padding: 8px 14px;
    color: var(--text-secondary); font-size: var(--text-sm); font-weight: 500;
    border-radius: var(--radius-sm); transition: var(--transition);
}
.nav-item > a:hover, .nav-item.active > a { color: var(--primary); background: var(--primary-light); }
.nav-item > a .dropdown-arrow { font-size: 10px; transition: transform 0.2s; }
.nav-item:hover > a .dropdown-arrow { transform: rotate(180deg); }

.dropdown-menu {
    position: absolute; top: calc(100% + 4px); left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 240px; background: var(--bg-white); border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg); border: 1px solid var(--border-light);
    opacity: 0; visibility: hidden; transition: var(--transition); padding: 8px; z-index: 200;
}
.nav-item:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown-menu li a {
    display: flex; align-items: center; gap: 10px; padding: 10px 14px;
    color: var(--text-secondary); font-size: var(--text-sm); border-radius: var(--radius-sm); transition: var(--transition);
}
.dropdown-menu li a:hover { background: var(--primary-light); color: var(--primary); padding-left: 18px; }
.dropdown-menu li a i { width: 18px; text-align: center; font-size: 14px; color: var(--primary); opacity: 0.7; }

.nav-phone {
    display: flex; align-items: center; gap: 8px;
    background: var(--primary); color: #fff; padding: 10px 20px;
    border-radius: var(--radius-full); font-size: var(--text-sm); font-weight: 600; transition: var(--transition);
}
.nav-phone:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.4); }

.nav-toggle {
    display: none; width: 44px; height: 44px; align-items: center; justify-content: center;
    cursor: pointer; border-radius: var(--radius-sm); transition: var(--transition);
}
.nav-toggle:hover { background: var(--bg-light); }
.nav-toggle i { font-size: 22px; color: var(--text-primary); }

/* === 6. MOBILE MENU === */
.mobile-menu {
    display: none; position: fixed; top: 0; right: -100%; width: 300px; height: 100vh;
    background: var(--bg-white); z-index: 2000; box-shadow: var(--shadow-xl);
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1); overflow-y: auto;
}
.mobile-menu.active { right: 0; }
.mobile-overlay {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5); z-index: 1999; opacity: 0; transition: opacity 0.3s;
}
.mobile-overlay.active { display: block; opacity: 1; }

.mobile-menu-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px; border-bottom: 1px solid var(--border-light);
}
.mobile-menu-close {
    width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm); cursor: pointer; transition: var(--transition);
}
.mobile-menu-close:hover { background: var(--bg-light); }

.mobile-nav { padding: 12px 0; }
.mobile-nav-item > a {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 20px; color: var(--text-primary); font-size: var(--text-base);
    font-weight: 500; transition: var(--transition);
}
.mobile-nav-item > a:hover { background: var(--primary-light); color: var(--primary); }
.mobile-nav-item > a .mobile-dropdown-arrow { font-size: 12px; transition: transform 0.2s; }
.mobile-nav-item.open > a .mobile-dropdown-arrow { transform: rotate(180deg); }
.mobile-nav-item.open > a { color: var(--primary); }

.mobile-dropdown {
    max-height: 0; overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1); background: var(--bg-light);
}
.mobile-nav-item.open .mobile-dropdown { max-height: 500px; }
.mobile-dropdown a {
    display: block; padding: 10px 20px 10px 40px; color: var(--text-secondary);
    font-size: var(--text-sm); border-bottom: 1px solid var(--border-light); transition: var(--transition);
}
.mobile-dropdown a:last-child { border-bottom: none; }
.mobile-dropdown a:hover { color: var(--primary); padding-left: 46px; }

.mobile-menu-footer { padding: 20px; border-top: 1px solid var(--border-light); margin-top: 12px; }
.mobile-menu-footer .mobile-phone {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    background: var(--primary); color: #fff; padding: 14px; border-radius: var(--radius-full); font-weight: 600; margin-bottom: 12px;
}
.mobile-menu-footer .mobile-phone:hover { color: #fff; background: var(--primary-dark); }
.mobile-menu-footer .mobile-lang { display: flex; justify-content: center; gap: 8px; }

/* === 7. HERO === */
.hero {
    background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 50%, #fff 100%);
    padding: 80px 0 60px; overflow: hidden; position: relative;
}
.hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-content h1 { font-size: var(--text-5xl); line-height: 1.15; margin-bottom: 20px; }
.hero-content h1 .text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-content p { font-size: var(--text-lg); color: var(--text-secondary); margin-bottom: 32px; line-height: 1.8; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-badges { display: flex; gap: 24px; margin-top: 40px; }
.hero-badge { display: flex; align-items: center; gap: 8px; color: var(--text-secondary); font-size: var(--text-sm); }
.hero-badge i { color: var(--secondary); }

.hero-visual { position: relative; }
.hero-image { border-radius: var(--radius-lg); box-shadow: var(--shadow-xl); overflow: hidden; }
.hero-image img { width: 100%; height: auto; display: block; }

.hero-float-card {
    position: absolute; background: var(--bg-white); border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg); padding: 14px 18px;
    display: flex; align-items: center; gap: 10px; animation: floatUpDown 3s ease-in-out infinite;
}
.hero-float-card.card-1 { top: -10px; right: -10px; }
.hero-float-card.card-2 { bottom: 20px; left: -20px; animation-delay: 1.5s; }
.hero-float-card .stars { color: var(--accent-yellow); font-size: 14px; }
.hero-float-card .card-text { font-size: var(--text-sm); font-weight: 600; }
.hero-float-card .card-sub { font-size: var(--text-xs); color: var(--text-tertiary); }

@keyframes floatUpDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* === 8. PAGE HEADER === */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 50px 0 40px; color: #fff; position: relative; overflow: hidden;
}
.page-header::before {
    content: ''; position: absolute; top: -50%; right: -20%;
    width: 500px; height: 500px; background: rgba(255,255,255,0.05); border-radius: 50%;
}
.page-header h1 { font-size: var(--text-4xl); margin-bottom: 12px; }
.page-header p { font-size: var(--text-lg); opacity: 0.9; max-width: 600px; }

.breadcrumb { padding: 14px 0; background: var(--bg-light); border-bottom: 1px solid var(--border-light); }
.breadcrumb-nav { display: flex; align-items: center; gap: 0; font-size: var(--text-sm); color: var(--text-tertiary); }
.breadcrumb-nav a { color: var(--text-secondary); }
.breadcrumb-nav a:hover { color: var(--primary); }
.breadcrumb-sep { margin: 0 8px; }

/* === 9. BUTTONS === */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px; border-radius: var(--radius-full);
    font-size: var(--text-base); font-weight: 600; border: 2px solid transparent;
    cursor: pointer; transition: var(--transition); text-align: center; justify-content: center; line-height: 1.4;
}
.btn-lg { padding: 16px 36px; font-size: var(--text-lg); }
.btn-sm { padding: 8px 20px; font-size: var(--text-sm); }

.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.4); }
.btn-secondary { background: var(--secondary); color: #fff; border-color: var(--secondary); }
.btn-secondary:hover { background: var(--secondary-dark); border-color: var(--secondary-dark); color: #fff; transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-white { background: #fff; color: var(--primary); border-color: #fff; }
.btn-white:hover { background: rgba(255,255,255,0.9); color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline-white { background: transparent; color: #fff; border-color: rgba(255,255,255,0.6); }
.btn-outline-white:hover { background: #fff; color: var(--primary); transform: translateY(-2px); }

/* === 10. STATS BAR === */
.stats-bar { background: var(--bg-dark); padding: 40px 0; }
.stats-bar .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.stat-item { text-align: center; }
.stat-number { font-size: var(--text-4xl); font-weight: 800; color: #fff; line-height: 1; }
.stat-number .stat-suffix { font-size: var(--text-2xl); }
.stat-label { color: rgba(255,255,255,0.7); font-size: var(--text-sm); margin-top: 6px; }

/* === 11. SERVICE CARDS === */
.service-card {
    background: var(--bg-white); border: 1px solid var(--border-light);
    border-radius: var(--radius-lg); padding: 32px; transition: var(--transition); display: flex; flex-direction: column;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.service-card-icon {
    width: 56px; height: 56px; background: var(--primary-light); border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px; font-size: 24px; color: var(--primary); transition: var(--transition);
}
.service-card:hover .service-card-icon { background: var(--primary); color: #fff; }
.service-card h3 { font-size: var(--text-xl); margin-bottom: 10px; }
.service-card p { color: var(--text-secondary); font-size: var(--text-sm); line-height: 1.7; flex: 1; }
.service-card .card-link {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--primary); font-size: var(--text-sm); font-weight: 600;
    margin-top: 16px; transition: var(--transition);
}
.service-card .card-link:hover { gap: 10px; }

/* === 12. FEATURE SECTION === */
.feature-section { padding: var(--section-py) 0; }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.feature-grid.reversed .feature-image { order: 2; }
.feature-grid.reversed .feature-content { order: 1; }
.feature-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.feature-image img { width: 100%; display: block; }
.feature-content .feature-tag {
    display: inline-block; background: var(--primary-light); color: var(--primary);
    padding: 6px 14px; border-radius: var(--radius-full); font-size: var(--text-sm); font-weight: 600; margin-bottom: 16px;
}
.feature-content h2 { font-size: var(--text-3xl); margin-bottom: 16px; }
.feature-content p { color: var(--text-secondary); margin-bottom: 24px; line-height: 1.8; }
.feature-list { margin-bottom: 28px; }
.feature-list li { display: flex; align-items: flex-start; gap: 12px; padding: 8px 0; color: var(--text-secondary); }
.feature-list li i { color: var(--secondary); margin-top: 4px; flex-shrink: 0; }

/* === 13. PROCESS STEPS === */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; position: relative; }
.process-steps::before {
    content: ''; position: absolute; top: 35px; left: 12.5%; right: 12.5%; height: 2px; background: var(--border);
}
.process-step { text-align: center; position: relative; }
.process-step-num {
    width: 70px; height: 70px; background: var(--primary); color: #fff; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: var(--text-2xl); font-weight: 800; margin: 0 auto 20px;
    position: relative; z-index: 1; box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.3);
}
.process-step h3 { font-size: var(--text-lg); margin-bottom: 8px; }
.process-step p { color: var(--text-secondary); font-size: var(--text-sm); }

/* === 14. INDUSTRY CARDS === */
.industry-card {
    background: var(--bg-white); border: 1px solid var(--border-light);
    border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition);
}
.industry-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.industry-card-image { height: 200px; overflow: hidden; position: relative; }
.industry-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.industry-card:hover .industry-card-image img { transform: scale(1.05); }
.industry-card-image .industry-icon {
    position: absolute; bottom: -25px; right: 20px; width: 50px; height: 50px;
    background: var(--primary); color: #fff; border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center; font-size: 22px; box-shadow: var(--shadow-md); z-index: 2;
}
.industry-card-body { padding: 32px 24px 24px; }
.industry-card h3 { font-size: var(--text-xl); margin-bottom: 8px; }
.industry-card p { color: var(--text-secondary); font-size: var(--text-sm); margin-bottom: 16px; }

/* === 15. CASE STUDY CARDS === */
.case-card {
    background: var(--bg-white); border: 1px solid var(--border-light);
    border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition);
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-card-header {
    padding: 24px; background: linear-gradient(135deg, var(--primary-light) 0%, #fff 100%);
    border-bottom: 1px solid var(--border-light);
}
.case-card-industry { font-size: var(--text-xs); color: var(--primary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.case-card h3 { font-size: var(--text-lg); }
.case-card-body { padding: 24px; }
.case-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 16px; }
.case-metric { text-align: center; }
.case-metric-value { font-size: var(--text-2xl); font-weight: 800; color: var(--secondary); }
.case-metric-label { font-size: var(--text-xs); color: var(--text-tertiary); }
.case-card-body p { color: var(--text-secondary); font-size: var(--text-sm); }

/* === 16. TOOL PAGES === */
.tool-hero {
    background: linear-gradient(135deg, #f0f4ff 0%, var(--primary-light) 100%); padding: 60px 0;
}
.tool-hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.tool-hero h1 { font-size: var(--text-4xl); margin-bottom: 16px; }
.tool-hero p { color: var(--text-secondary); font-size: var(--text-lg); }

.tool-container {
    background: var(--bg-white); border: 1px solid var(--border-light); border-radius: var(--radius-xl);
    padding: 40px; box-shadow: var(--shadow-md); max-width: 800px; margin: 0 auto;
}
.tool-progress { display: flex; gap: 6px; margin-bottom: 30px; justify-content: center; }
.tool-progress-dot { width: 40px; height: 6px; border-radius: 3px; background: var(--border); transition: var(--transition); }
.tool-progress-dot.active { background: var(--primary); width: 60px; }
.tool-progress-dot.done { background: var(--secondary); }

.tool-step { display: none; }
.tool-step.active { display: block; }
.tool-step h3 { text-align: center; margin-bottom: 24px; }

.tool-options { display: grid; gap: 12px; }
.tool-option {
    display: flex; align-items: center; gap: 14px; padding: 16px 20px;
    border: 2px solid var(--border); border-radius: var(--radius-md); cursor: pointer; transition: var(--transition);
}
.tool-option:hover { border-color: var(--primary-light); background: var(--primary-light); }
.tool-option.selected { border-color: var(--primary); background: var(--primary-light); }
.tool-option input[type="radio"] { display: none; }
.tool-option .option-indicator {
    width: 22px; height: 22px; border: 2px solid var(--border); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: var(--transition);
}
.tool-option.selected .option-indicator { border-color: var(--primary); background: var(--primary); }
.tool-option.selected .option-indicator::after { content: ''; width: 8px; height: 8px; background: #fff; border-radius: 50%; }
.tool-option-text { font-weight: 500; }
.tool-actions { display: flex; justify-content: space-between; margin-top: 30px; }
.tool-actions .btn-back { visibility: hidden; }
.tool-actions .btn-back.visible { visibility: visible; }

.tool-result { text-align: center; padding: 30px 0; }
.score-ring {
    width: 160px; height: 160px; border-radius: 50%;
    margin: 0 auto 24px; display: flex; flex-direction: column; align-items: center; justify-content: center;
    position: relative; border: 8px solid var(--border-light);
}
.score-ring.grade-a { border-color: var(--secondary); }
.score-ring.grade-b { border-color: var(--primary); }
.score-ring.grade-c { border-color: var(--accent-yellow); }
.score-ring.grade-d { border-color: var(--accent-red); }
.score-ring .score-value { font-size: var(--text-4xl); font-weight: 800; }
.score-ring .score-label { font-size: var(--text-sm); color: var(--text-tertiary); }
.score-grade { font-size: var(--text-sm); font-weight: 700; padding: 4px 16px; border-radius: var(--radius-full); display: inline-block; margin-bottom: 20px; }
.score-grade.grade-a { background: #e6f7ed; color: var(--secondary); }
.score-grade.grade-b { background: var(--primary-light); color: var(--primary); }
.score-grade.grade-c { background: #fef3e0; color: #e37400; }
.score-grade.grade-d { background: #fde7e7; color: var(--accent-red); }

.tool-recommendations { text-align: left; margin-top: 24px; }
.tool-rec-item {
    display: flex; align-items: flex-start; gap: 12px; padding: 14px;
    background: var(--bg-light); border-radius: var(--radius-sm); margin-bottom: 10px;
}
.tool-rec-item i { color: var(--primary); margin-top: 3px; flex-shrink: 0; }

.template-output {
    background: var(--bg-light); border: 1px solid var(--border); border-radius: var(--radius-md);
    padding: 20px; margin-top: 20px; position: relative; text-align: left; white-space: pre-wrap; line-height: 1.8; min-height: 120px;
}
.copy-btn {
    position: absolute; top: 10px; right: 10px; background: var(--primary); color: #fff;
    border: none; padding: 8px 16px; border-radius: var(--radius-sm); font-size: var(--text-sm); cursor: pointer; transition: var(--transition);
}
.copy-btn:hover { background: var(--primary-dark); }
.copy-btn.copied { background: var(--secondary); }

.checklist-progress { background: var(--bg-light); border-radius: var(--radius-full); height: 8px; margin-bottom: 24px; overflow: hidden; }
.checklist-progress-bar { height: 100%; background: linear-gradient(90deg, var(--primary), var(--secondary)); border-radius: var(--radius-full); transition: width 0.4s ease; width: 0%; }
.checklist-item {
    display: flex; align-items: flex-start; gap: 14px; padding: 14px 0;
    border-bottom: 1px solid var(--border-light); transition: var(--transition);
}
.checklist-item:last-child { border-bottom: none; }
.checklist-item input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--primary); margin-top: 2px; flex-shrink: 0; cursor: pointer; }
.checklist-item.checked { opacity: 0.6; }
.checklist-item.checked .checklist-text { text-decoration: line-through; }

.link-output {
    display: flex; align-items: center; gap: 10px;
    background: var(--bg-light); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 14px 16px; margin-top: 16px;
}
.link-output input { flex: 1; background: transparent; border: none; font-size: var(--text-sm); color: var(--text-primary); outline: none; font-family: monospace; }

.tool-card {
    background: var(--bg-white); border: 1px solid var(--border-light); border-radius: var(--radius-lg);
    padding: 28px; transition: var(--transition); text-align: center;
}
.tool-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.tool-card-icon {
    width: 64px; height: 64px; background: linear-gradient(135deg, var(--primary-light), #d2e3fc);
    border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center;
    margin: 0 auto 18px; font-size: 28px; color: var(--primary);
}
.tool-card h3 { font-size: var(--text-lg); margin-bottom: 8px; }
.tool-card p { color: var(--text-secondary); font-size: var(--text-sm); margin-bottom: 16px; }
.tool-card .badge { display: inline-block; background: var(--secondary); color: #fff; padding: 3px 10px; border-radius: var(--radius-full); font-size: var(--text-xs); font-weight: 600; }

/* === 17. CTA SECTIONS === */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 60px 0; text-align: center; color: #fff; position: relative; overflow: hidden;
}
.cta-section::before {
    content: ''; position: absolute; top: -100px; right: -100px;
    width: 400px; height: 400px; background: rgba(255,255,255,0.05); border-radius: 50%;
}
.cta-section h2 { font-size: var(--text-3xl); margin-bottom: 16px; }
.cta-section p { font-size: var(--text-lg); opacity: 0.9; margin-bottom: 30px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* === 18. CONTACT FORM === */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; }
.contact-info h2 { margin-bottom: 20px; }
.contact-info > p { color: var(--text-secondary); margin-bottom: 30px; }
.contact-info-item { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 24px; }
.contact-info-icon {
    width: 44px; height: 44px; background: var(--primary-light); border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center; color: var(--primary); flex-shrink: 0;
}
.contact-info-text h4 { font-size: var(--text-base); margin-bottom: 4px; }
.contact-info-text p, .contact-info-text a { color: var(--text-secondary); font-size: var(--text-sm); }
.contact-info-text a:hover { color: var(--primary); }

.contact-hours { background: var(--bg-light); border-radius: var(--radius-md); padding: 20px; margin-top: 10px; }
.contact-hours h4 { font-size: var(--text-base); margin-bottom: 12px; }
.hours-row { display: flex; justify-content: space-between; padding: 6px 0; font-size: var(--text-sm); color: var(--text-secondary); }
.hours-row:not(:last-child) { border-bottom: 1px solid var(--border-light); }

.contact-form-wrap {
    background: var(--bg-white); border: 1px solid var(--border-light); border-radius: var(--radius-lg);
    padding: 36px; box-shadow: var(--shadow-md);
}
.contact-form-wrap h3 { margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: var(--text-sm); font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.form-group label .required { color: var(--accent-red); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    font-size: var(--text-base); font-family: var(--font-family); transition: var(--transition); background: var(--bg-white);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}
.form-group textarea { min-height: 120px; resize: vertical; }

/* === 19. FAQ ACCORDION === */
.faq-grid { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border-light); border-radius: var(--radius-md); margin-bottom: 10px; overflow: hidden; transition: var(--transition); }
.faq-item.active { border-color: var(--primary-light); box-shadow: var(--shadow-sm); }
.faq-question {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 24px; cursor: pointer; transition: var(--transition);
}
.faq-question:hover { background: var(--bg-light); }
.faq-question h4 { font-size: var(--text-base); font-weight: 600; flex: 1; }
.faq-question i { color: var(--text-tertiary); transition: transform 0.3s; font-size: 14px; }
.faq-item.active .faq-question i { transform: rotate(180deg); color: var(--primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1); }
.faq-answer-inner { padding: 0 24px 20px; color: var(--text-secondary); line-height: 1.8; }
.faq-item.active .faq-answer { max-height: 500px; }

/* === 20. PRICING TABLE === */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.pricing-card {
    background: var(--bg-white); border: 2px solid var(--border-light); border-radius: var(--radius-xl);
    padding: 36px; text-align: center; transition: var(--transition); position: relative;
}
.pricing-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.pricing-card.featured { border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-8px); z-index: 1; }
.pricing-card.featured::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary)); border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}
.pricing-badge { display: inline-block; background: var(--primary); color: #fff; padding: 4px 14px; border-radius: var(--radius-full); font-size: var(--text-xs); font-weight: 700; margin-bottom: 16px; }
.pricing-name { font-size: var(--text-xl); font-weight: 700; margin-bottom: 8px; }
.pricing-desc { color: var(--text-secondary); font-size: var(--text-sm); margin-bottom: 20px; }
.pricing-price { font-size: var(--text-5xl); font-weight: 800; color: var(--primary); line-height: 1; margin-bottom: 4px; }
.pricing-period { color: var(--text-tertiary); font-size: var(--text-sm); margin-bottom: 24px; }
.pricing-features { text-align: left; margin-bottom: 28px; }
.pricing-features li { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; font-size: var(--text-sm); color: var(--text-secondary); }
.pricing-features li i { color: var(--secondary); margin-top: 3px; }
.pricing-features li.disabled { opacity: 0.4; }
.pricing-features li.disabled i { color: var(--text-tertiary); }
.pricing-card .btn { width: 100%; }

/* === 21. TESTIMONIALS === */
.testimonial-card {
    background: var(--bg-white); border: 1px solid var(--border-light); border-radius: var(--radius-lg);
    padding: 28px; transition: var(--transition);
}
.testimonial-card:hover { box-shadow: var(--shadow-md); }
.testimonial-stars { color: var(--accent-yellow); font-size: 16px; margin-bottom: 14px; }
.testimonial-text { color: var(--text-secondary); font-style: italic; margin-bottom: 18px; line-height: 1.7; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
    width: 44px; height: 44px; background: var(--primary-light); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; color: var(--primary); font-weight: 700; font-size: var(--text-lg);
}
.testimonial-name { font-weight: 600; font-size: var(--text-sm); }
.testimonial-role { color: var(--text-tertiary); font-size: var(--text-xs); }

/* === 22. MAP === */
.map-container { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.map-container iframe { width: 100%; height: 400px; border: none; display: block; }

/* === 23. BLOG CARDS === */
.blog-card {
    background: var(--bg-white); border: 1px solid var(--border-light); border-radius: var(--radius-lg);
    overflow: hidden; transition: var(--transition);
}
.blog-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.blog-card-image { height: 200px; overflow: hidden; }
.blog-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.blog-card:hover .blog-card-image img { transform: scale(1.05); }
.blog-card-image .blog-icon-placeholder {
    width: 100%; height: 100%; background: linear-gradient(135deg, var(--primary-light), #d2e3fc);
    display: flex; align-items: center; justify-content: center; font-size: 48px; color: var(--primary);
}
.blog-card-body { padding: 24px; }
.blog-card-meta { display: flex; gap: 16px; font-size: var(--text-xs); color: var(--text-tertiary); margin-bottom: 10px; }
.blog-card-meta span { display: flex; align-items: center; gap: 4px; }
.blog-card h3 { font-size: var(--text-lg); margin-bottom: 8px; }
.blog-card h3 a { color: var(--text-primary); }
.blog-card h3 a:hover { color: var(--primary); }
.blog-card p { color: var(--text-secondary); font-size: var(--text-sm); margin-bottom: 14px; }
.blog-card .read-more { font-size: var(--text-sm); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.blog-card .read-more:hover { gap: 10px; }

/* === 24. LOCATION PAGES === */
.location-hero {
    background: linear-gradient(135deg, var(--primary) 0%, #1e88e5 50%, var(--secondary) 100%);
    padding: 60px 0; color: #fff;
}
.location-details { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.location-card {
    background: var(--bg-white); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-md);
}
.location-card h3 { font-size: var(--text-xl); margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.location-card h3 i { color: var(--primary); }

/* === 25. FOOTER === */
.footer { background: var(--bg-dark); color: rgba(255,255,255,0.8); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 40px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo a { color: #fff; }
.footer-brand .logo-cn { color: #fff; }
.footer-brand .logo-en { color: rgba(255,255,255,0.6); }
.footer-brand p { font-size: var(--text-sm); line-height: 1.7; color: rgba(255,255,255,0.6); margin-bottom: 16px; }

.footer-col h4 { color: #fff; font-size: var(--text-base); margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--primary); }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.6); font-size: var(--text-sm); transition: var(--transition); }
.footer-col ul li a:hover { color: #fff; padding-left: 4px; }

.footer-contact li {
    display: flex; align-items: flex-start; gap: 10px; margin-bottom: 14px;
    font-size: var(--text-sm); color: rgba(255,255,255,0.6);
}
.footer-contact li i { color: var(--primary); margin-top: 3px; width: 16px; text-align: center; }
.footer-contact li a { color: rgba(255,255,255,0.6); }
.footer-contact li a:hover { color: #fff; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0;
    display: flex; justify-content: space-between; align-items: center;
    font-size: var(--text-xs); color: rgba(255,255,255,0.4); flex-wrap: wrap; gap: 10px;
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: #fff; }
.footer-legal { display: flex; gap: 16px; }

.footer-designer {
    text-align: center; padding: 12px 0; border-top: 1px solid rgba(255,255,255,0.05);
    font-size: var(--text-xs); color: rgba(255,255,255,0.3);
}
.footer-designer a { color: rgba(255,255,255,0.4); }
.footer-designer a:hover { color: rgba(255,255,255,0.7); }

/* === 26. SCROLL REVEAL === */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* === 27. COMPLIANCE === */
.compliance-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: #e6f7ed; color: var(--secondary-dark); padding: 8px 16px;
    border-radius: var(--radius-full); font-size: var(--text-sm); font-weight: 600;
}
.compliance-notice {
    background: var(--bg-light); border-left: 4px solid var(--primary);
    padding: 20px 24px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 24px 0;
}
.compliance-notice h4 { margin-bottom: 8px; font-size: var(--text-base); }
.compliance-notice p { color: var(--text-secondary); font-size: var(--text-sm); }

/* === 28. MISC === */
.tag { display: inline-block; background: var(--bg-light); color: var(--text-secondary); padding: 4px 12px; border-radius: var(--radius-full); font-size: var(--text-xs); font-weight: 500; }
.tag-primary { background: var(--primary-light); color: var(--primary); }
.divider { width: 60px; height: 3px; background: var(--primary); margin: 16px 0; }
.divider-center { margin-left: auto; margin-right: auto; }
.icon-circle { width: 48px; height: 48px; background: var(--primary-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 20px; }

.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.why-item { text-align: center; padding: 24px 16px; }
.why-item .icon-circle { margin: 0 auto 16px; }
.why-item h4 { font-size: var(--text-base); margin-bottom: 8px; }
.why-item p { color: var(--text-secondary); font-size: var(--text-sm); }

.service-detail-content { padding: var(--section-py) 0; }
.service-overview { max-width: 800px; margin: 0 auto 50px; text-align: center; }
.service-overview h2 { margin-bottom: 16px; }
.service-overview p { color: var(--text-secondary); font-size: var(--text-lg); }

.scenarios-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 50px; }
.scenario-card { background: var(--bg-light); border-radius: var(--radius-md); padding: 24px; transition: var(--transition); }
.scenario-card:hover { background: var(--primary-light); }
.scenario-card i { color: var(--primary); font-size: 24px; margin-bottom: 12px; display: block; }
.scenario-card h4 { font-size: var(--text-base); margin-bottom: 6px; }
.scenario-card p { color: var(--text-secondary); font-size: var(--text-sm); }

.deliverables-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 24px 0; }
.deliverable-item {
    display: flex; align-items: center; gap: 10px; padding: 12px 16px;
    background: var(--bg-light); border-radius: var(--radius-sm); font-size: var(--text-sm);
}
.deliverable-item i { color: var(--secondary); }

/* Mobile Bottom Bar */
.mobile-bottom-bar {
    display: none; position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--bg-white); box-shadow: 0 -2px 10px rgba(0,0,0,0.1); z-index: 900;
    padding: 8px 0;
}
.mobile-bottom-bar .container { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.mobile-bar-btn {
    display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 8px;
    border-radius: var(--radius-sm); color: var(--text-secondary); font-size: var(--text-xs); transition: var(--transition);
}
.mobile-bar-btn i { font-size: 18px; }
.mobile-bar-btn.call { color: var(--primary); }
.mobile-bar-btn.consult { color: var(--secondary); }

/* === 29. LEGAL PAGES === */
.legal-content { max-width: 800px; margin: 0 auto; padding: var(--section-py) 0; }
.legal-content h2 { font-size: var(--text-2xl); margin: 36px 0 16px; padding-top: 16px; border-top: 1px solid var(--border-light); }
.legal-content h2:first-of-type { border-top: none; margin-top: 0; padding-top: 0; }
.legal-content h3 { font-size: var(--text-xl); margin: 24px 0 12px; }
.legal-content p { color: var(--text-secondary); margin-bottom: 16px; line-height: 1.8; }
.legal-content ul { padding-left: 24px; margin-bottom: 16px; }
.legal-content ul li { color: var(--text-secondary); margin-bottom: 8px; list-style: disc; line-height: 1.7; }
.legal-content .last-updated { color: var(--text-tertiary); font-size: var(--text-sm); font-style: italic; margin-bottom: 32px; }

/* === 30. RESOURCE/GUIDE CARDS === */
.resource-card {
    background: var(--bg-white); border: 1px solid var(--border-light); border-radius: var(--radius-lg);
    padding: 32px; transition: var(--transition); display: flex; flex-direction: column;
}
.resource-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.resource-card-icon {
    width: 64px; height: 64px; background: linear-gradient(135deg, var(--primary-light), #d2e3fc);
    border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px; font-size: 28px; color: var(--primary);
}
.resource-card h3 { font-size: var(--text-lg); margin-bottom: 8px; }
.resource-card p { color: var(--text-secondary); font-size: var(--text-sm); flex: 1; margin-bottom: 16px; }

/* === 31. COMPARISON TABLE === */
.comparison-table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.comparison-table th { background: var(--primary); color: #fff; padding: 14px 16px; text-align: left; font-size: var(--text-sm); }
.comparison-table th:first-child { border-radius: var(--radius-sm) 0 0 0; }
.comparison-table th:last-child { border-radius: 0 var(--radius-sm) 0 0; }
.comparison-table td { padding: 12px 16px; border-bottom: 1px solid var(--border-light); font-size: var(--text-sm); color: var(--text-secondary); }
.comparison-table tr:hover td { background: var(--bg-light); }
.comparison-table .check { color: var(--secondary); }
.comparison-table .cross { color: var(--text-tertiary); }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    h1 { font-size: var(--text-4xl); }
    h2 { font-size: var(--text-3xl); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .hero .container { grid-template-columns: 1fr; gap: 40px; }
    .hero-visual { max-width: 500px; margin: 0 auto; }
    .nav-menu { display: none; }
    .nav-phone { display: none; }
    .nav-toggle { display: flex; }
    .mobile-menu { display: block; }
    .feature-grid { grid-template-columns: 1fr; gap: 40px; }
    .feature-grid.reversed .feature-image { order: 1; }
    .feature-grid.reversed .feature-content { order: 2; }
    .contact-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-card.featured { transform: translateY(0); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .process-steps { grid-template-columns: repeat(2, 1fr); }
    .process-steps::before { display: none; }
    .stats-bar .container { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .scenarios-grid { grid-template-columns: repeat(2, 1fr); }
    .location-details { grid-template-columns: 1fr; }
    .tool-hero .container { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    :root { --section-py: 50px; --section-py-sm: 40px; }
    h1 { font-size: var(--text-3xl); }
    h2 { font-size: var(--text-2xl); }
    .container { padding: 0 16px; }
    .top-bar { display: none; }
    .navbar .container { height: 60px; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .hero { padding: 40px 0 30px; }
    .hero-content h1 { font-size: var(--text-3xl); }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
    .hero-badges { flex-direction: column; gap: 12px; }
    .hero-float-card { display: none; }
    .stats-bar .container { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .stat-number { font-size: var(--text-3xl); }
    .process-steps { grid-template-columns: 1fr; gap: 24px; }
    .pricing-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .form-row { grid-template-columns: 1fr; }
    .tool-container { padding: 24px; }
    .page-header h1 { font-size: var(--text-3xl); }
    .deliverables-list { grid-template-columns: 1fr; }
    .scenarios-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: 1fr; }
    .case-metrics { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .mobile-bottom-bar { display: block; }
    body { padding-bottom: 70px; }
}

@media (max-width: 480px) {
    h1 { font-size: var(--text-2xl); }
    .container { padding: 0 12px; }
    .section-header h2 { font-size: var(--text-2xl); }
    .stat-number { font-size: var(--text-2xl); }
    .tool-container { padding: 16px; }
    .service-card { padding: 24px; }
}

/* ==========================================
   V2 VISUAL UPGRADE - 视觉升级层
   ========================================== */

/* --- Hero升级：动态渐变 + 装饰元素 --- */
.hero {
    background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 30%, #dbeafe 60%, #eff6ff 100%);
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -150px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(26,115,232,0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: heroGlow 8s ease-in-out infinite alternate;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(52,168,83,0.06) 0%, transparent 70%);
    border-radius: 50%;
    animation: heroGlow 6s ease-in-out infinite alternate-reverse;
}
@keyframes heroGlow {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.15) translate(20px, -10px); }
}
.hero .container { position: relative; z-index: 1; }

.hero-content h1 {
    letter-spacing: -0.02em;
}
.text-gradient {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 40%, #ea4335 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Stats Bar升级：渐变 + 发光分隔线 --- */
.stats-bar {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    position: relative;
    overflow: hidden;
}
.stats-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent-yellow), var(--accent-red));
}
.stat-item {
    position: relative;
}
.stat-item::after {
    content: '';
    position: absolute;
    right: 0;
    top: 20%;
    height: 60%;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(255,255,255,0.15), transparent);
}
.stat-item:last-child::after { display: none; }
.stat-number {
    background: linear-gradient(180deg, #fff 0%, rgba(255,255,255,0.85) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Section Header升级：下划线装饰 --- */
.section-header h2 {
    position: relative;
    display: inline-block;
}
.section-header h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
    margin: 16px auto 0;
}
.section-dark .section-header h2::after {
    background: linear-gradient(90deg, rgba(255,255,255,0.6), rgba(255,255,255,0.2));
}

/* --- Service Card升级：渐变边框 + 光效hover --- */
.service-card {
    border: 1px solid transparent;
    background: linear-gradient(var(--bg-white), var(--bg-white)) padding-box,
                linear-gradient(135deg, var(--border-light), var(--border)) border-box;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(26,115,232,0.03), transparent);
    transition: left 0.6s ease;
}
.service-card:hover::before {
    left: 100%;
}
.service-card:hover {
    border: 1px solid transparent;
    background: linear-gradient(var(--bg-white), var(--bg-white)) padding-box,
                linear-gradient(135deg, var(--primary), var(--secondary)) border-box;
    box-shadow: 0 12px 40px rgba(26,115,232,0.12);
}
.service-card-icon {
    background: linear-gradient(135deg, var(--primary-light) 0%, #d2e3fc 100%);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.service-card:hover .service-card-icon {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    transform: scale(1.08) rotate(-3deg);
}

/* --- Case Card升级：顶部行业色条 --- */
.case-card {
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.case-card-header {
    position: relative;
    background: linear-gradient(135deg, #f0f4ff 0%, var(--primary-light) 100%);
}
.case-card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}
.case-card:nth-child(2) .case-card-header::before {
    background: linear-gradient(90deg, #ec4899, #f59e0b);
}
.case-card:nth-child(3) .case-card-header::before {
    background: linear-gradient(90deg, var(--secondary), #06b6d4);
}
.case-metric-value {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.case-card:hover {
    box-shadow: 0 16px 48px rgba(26,115,232,0.15);
}

/* --- Testimonial Card升级：引号装饰 + 边框 --- */
.testimonial-card {
    position: relative;
    border: 1px solid var(--border-light);
    transition: all 0.4s ease;
    overflow: hidden;
}
.testimonial-card::before {
    content: '\201C';
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 72px;
    line-height: 1;
    font-family: Georgia, serif;
    color: var(--primary-light);
    z-index: 0;
    pointer-events: none;
}
.testimonial-card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 30px rgba(26,115,232,0.1);
    transform: translateY(-4px);
}
.testimonial-text { position: relative; z-index: 1; }

/* --- Scenario Card升级 --- */
.scenario-card {
    border: 1px solid transparent;
    transition: all 0.35s ease;
}
.scenario-card:hover {
    background: var(--primary-light);
    border-color: rgba(26,115,232,0.15);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(26,115,232,0.08);
}
.scenario-card i {
    transition: transform 0.35s ease;
}
.scenario-card:hover i {
    transform: scale(1.2);
}

/* --- Process Steps升级：连接线渐变 --- */
.process-steps::before {
    background: linear-gradient(90deg, var(--primary), var(--secondary)) !important;
    height: 3px !important;
    opacity: 0.3;
}
.process-step-num {
    background: linear-gradient(135deg, var(--primary) 0%, #0d47a1 100%);
    box-shadow: 0 6px 20px rgba(26,115,232,0.35);
    transition: all 0.35s ease;
}
.process-step:hover .process-step-num {
    transform: scale(1.12);
    box-shadow: 0 8px 28px rgba(26,115,232,0.45);
}

/* --- CTA Section升级 --- */
.cta-section {
    background: linear-gradient(135deg, #1a56db 0%, #1e40af 40%, #312e81 100%);
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
    border-radius: 50%;
}
.cta-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(52,168,83,0.08) 0%, transparent 70%);
    border-radius: 50%;
}
.cta-section .container { position: relative; z-index: 1; }

/* --- Pricing Card升级 --- */
.pricing-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.pricing-card.featured {
    border-color: transparent;
    background: linear-gradient(var(--bg-white), var(--bg-white)) padding-box,
                linear-gradient(135deg, var(--primary), var(--secondary)) border-box;
}
.pricing-card.featured::before {
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--primary));
    height: 4px;
}
.pricing-card:hover {
    box-shadow: 0 20px 60px rgba(26,115,232,0.15);
}
.pricing-price {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Tool Card升级 --- */
.tool-card {
    transition: all 0.4s ease;
}
.tool-card:hover {
    border-color: transparent;
    background: linear-gradient(var(--bg-white), var(--bg-white)) padding-box,
                linear-gradient(135deg, var(--primary-light), #d2e3fc) border-box;
}
.tool-card-icon {
    background: linear-gradient(135deg, var(--primary-light) 0%, #c3dafe 50%, #dbeafe 100%);
    transition: transform 0.4s ease;
}
.tool-card:hover .tool-card-icon {
    transform: scale(1.1) rotate(-5deg);
}

/* --- Footer升级 --- */
.footer {
    background: linear-gradient(180deg, #1a1a2e 0%, #0f0f1a 100%);
}
.footer-col h4::after {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

/* --- Page Header升级 --- */
.page-header {
    background: linear-gradient(135deg, #1a56db 0%, #1e40af 40%, #312e81 100%);
    position: relative;
    overflow: hidden;
}
.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
    border-radius: 50%;
}
.page-header::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -15%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(52,168,83,0.06) 0%, transparent 70%);
    border-radius: 50%;
}
.page-header .container { position: relative; z-index: 1; }

/* --- Comparison Table升级 --- */
.comparison-table td:last-child {
    background: rgba(26,115,232,0.04);
}
.comparison-table tr:hover td {
    background: rgba(26,115,232,0.03);
}
.comparison-table tr:hover td:last-child {
    background: rgba(26,115,232,0.08);
}

/* --- FAQ升级：左边色条 --- */
.faq-item {
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
}
.faq-item.active {
    border-left-color: var(--primary);
    background: var(--primary-light);
}
.faq-item:hover:not(.active) {
    border-left-color: var(--border);
}

/* --- Scroll Reveal升级：多方向动画 --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- 增加section间距呼吸感 --- */
.section { padding: 100px 0; }
.section-sm { padding: 70px 0; }

/* --- 按钮升级：更丰富的hover --- */
.btn-primary {
    box-shadow: 0 2px 8px rgba(26,115,232,0.25);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(26,115,232,0.4);
    transform: translateY(-3px);
}
.btn-outline {
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn-outline:hover {
    box-shadow: 0 4px 14px rgba(26,115,232,0.2);
}

/* --- Nav升级：底部线条指示 --- */
.nav-item.active > a {
    position: relative;
}
.nav-item.active > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

/* --- Hero浮动卡片升级 --- */
.hero-float-card {
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,0.9);
    border: 1px solid rgba(255,255,255,0.5);
}

/* --- Badge升级 --- */
.badge, .tool-card .badge {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    box-shadow: 0 2px 8px rgba(52,168,83,0.3);
}

/* --- 移动端适配 --- */
@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .section-sm { padding: 45px 0; }
    .hero::before, .hero::after { display: none; }
    .section-header h2::after { margin-top: 12px; width: 40px; }
}