/* ==================== CSS Variables ==================== */
:root {
    --primary: #0052D9;
    --primary-dark: #003BB5;
    --secondary: #FF6B35;
    --accent: #FF8C5A;
    --dark: #1A1A2E;
    --gray-900: #111827;
    --gray-700: #374151;
    --gray-500: #6B7280;
    --gray-300: #D1D5DB;
    --gray-100: #F3F4F6;
    --white: #FFFFFF;
    --gradient-primary: linear-gradient(135deg, #0052D9 0%, #4364E7 100%);
    --gradient-hero: linear-gradient(135deg, #0A1628 0%, #1E3A5F 50%, #0052D9 100%);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --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", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-700);
    background: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0;
}

/* ==================== Typography ==================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--gray-900);
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.5rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

.text-gradient {
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-muted { color: var(--gray-500); }

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(0, 82, 217, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 82, 217, 0.5);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-large {
    padding: 20px 40px;
    font-size: 1.125rem;
}

.btn-orange {
    background: var(--secondary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(255, 107, 53, 0.4);
}

.btn-orange:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.5);
}

.btn-icon {
    width: 20px;
    height: 20px;
}

/* ==================== Navigation ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon svg {
    width: 24px;
    height: 24px;
    color: var(--white);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
}

.logo-sub {
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 500;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-900);
    transition: var(--transition);
}

/* ==================== Hero Section ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    color: var(--white);
    overflow: hidden;
    padding-top: 72px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 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-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50px;
    font-size: 0.875rem;
    margin-bottom: 24px;
    width: fit-content;
}

.hero-badge svg {
    width: 16px;
    height: 16px;
}

.hero h1 {
    color: var(--white);
    margin-bottom: 20px;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 32px;
    max-width: 560px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.trust-icon {
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.trust-icon svg {
    width: 24px;
    height: 24px;
    color: var(--secondary);
}

.trust-text {
    display: flex;
    flex-direction: column;
}

.trust-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.trust-label {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.hero-card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.hero-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.hero-card-dot.red { background: #FF5F56; }
.hero-card-dot.yellow { background: #FFBD2E; }
.hero-card-dot.green { background: #27CA40; }

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.hero-stat {
    text-align: center;
    padding: 20px;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-sm);
}

.hero-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary);
}

.hero-stat-label {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
    margin-top: 4px;
}

/* ==================== Section Headers ==================== */
.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 64px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(0, 82, 217, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    margin-bottom: 16px;
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray-500);
}

/* ==================== Problem Section ==================== */
.problems {
    background: var(--gray-100);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.problem-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-300);
    transition: var(--transition);
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.problem-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #FEE2E2, #FECACA);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.problem-icon svg {
    width: 28px;
    height: 28px;
    color: #DC2626;
}

.problem-card h4 {
    margin-bottom: 12px;
}

.problem-card p {
    color: var(--gray-500);
    font-size: 0.9375rem;
}

/* ==================== Solutions Section ==================== */
.solutions {
    background: var(--white);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.solution-card {
    position: relative;
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-300);
    transition: var(--transition);
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.solution-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

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

.solution-number {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 3rem;
    font-weight: 700;
    color: var(--gray-100);
    line-height: 1;
}

.solution-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(0, 82, 217, 0.1), rgba(67, 100, 231, 0.1));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.solution-icon svg {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

.solution-card h4 {
    margin-bottom: 12px;
}

.solution-card p {
    color: var(--gray-500);
    font-size: 0.9375rem;
    margin-bottom: 16px;
}

.solution-result {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(22, 163, 74, 0.1));
    color: #16A34A;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* ==================== Industries Section ==================== */
.industries {
    background: var(--dark);
    color: var(--white);
}

.industries .section-title {
    color: var(--white);
}

.industries .section-description {
    color: rgba(255,255,255,0.7);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.industry-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: var(--transition);
}

.industry-card:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--secondary);
}

.industry-icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 107, 53, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.industry-icon svg {
    width: 32px;
    height: 32px;
    color: var(--secondary);
}

.industry-card h4 {
    color: var(--white);
    margin-bottom: 16px;
}

.industry-case {
    background: rgba(0,0,0,0.3);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-top: 16px;
}

.industry-case-title {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.6);
    margin-bottom: 8px;
}

.industry-case-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary);
}

/* ==================== Trust Section ==================== */
.trust {
    background: var(--white);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.trust-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.trust-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.trust-card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.trust-card-icon svg {
    width: 40px;
    height: 40px;
    color: var(--white);
}

.trust-card h4 {
    margin-bottom: 8px;
}

.trust-card p {
    color: var(--gray-500);
    font-size: 0.9375rem;
}

/* ==================== Stats Section ==================== */
.stats {
    background: var(--gradient-primary);
    padding: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.stat-item {
    text-align: center;
    color: var(--white);
}

.stat-value {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 1.125rem;
    opacity: 0.85;
}

/* ==================== Cases Section ==================== */
.cases {
    background: var(--gray-100);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.case-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.case-image::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
}

.case-image svg {
    width: 64px;
    height: 64px;
    color: rgba(255,255,255,0.8);
    position: relative;
    z-index: 1;
}

.case-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 12px;
    background: var(--secondary);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.case-content {
    padding: 24px;
}

.case-content h4 {
    margin-bottom: 8px;
}

.case-content p {
    color: var(--gray-500);
    font-size: 0.9375rem;
    margin-bottom: 16px;
}

.case-results {
    display: flex;
    gap: 16px;
}

.case-result {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    color: var(--primary);
    font-weight: 600;
}

.case-result svg {
    width: 16px;
    height: 16px;
}

/* ==================== Social Feeds Section ==================== */
.social-feeds {
    background: var(--gray-50);
    padding: 80px 0;
}

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

/* Tabs */
.social-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
}

.social-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border: 2px solid var(--gray-200);
    border-radius: 100px;
    background: white;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.25s;
}

.social-tab svg {
    width: 18px;
    height: 18px;
}

.social-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.social-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Panels */
.social-panel {
    display: none;
}

.social-panel.active {
    display: block;
}

/* Feed List */
.feed-list {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
    align-items: start;
}

.feed-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--gray-100);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
}

.feed-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.feed-thumb {
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.feed-thumb.wechat {
    background: linear-gradient(135deg, #07c160 0%, #4caf50 100%);
}

.feed-thumb.video {
    background: linear-gradient(135deg, #ff6b35 0%, #f7c948 100%);
}

.feed-thumb svg {
    width: 48px;
    height: 48px;
    color: white;
    opacity: 0.9;
}

.feed-thumb-tag {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255, 255, 255, 0.25);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 100px;
    letter-spacing: 0.5px;
    backdrop-filter: blur(4px);
}

.feed-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.feed-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
}

.feed-source {
    background: rgba(7, 193, 96, 0.1);
    color: #07c160;
    padding: 2px 8px;
    border-radius: 100px;
    font-weight: 600;
}

.feed-source.video {
    background: rgba(255, 107, 53, 0.1);
    color: #ff6b35;
}

.feed-date {
    color: var(--gray-400);
}

.feed-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.5;
    margin: 0;
}

.feed-excerpt {
    font-size: 0.8rem;
    color: var(--gray-500);
    line-height: 1.6;
    margin: 0;
    flex: 1;
}

.feed-link {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.2s;
}

.feed-link:hover {
    gap: 8px;
}

.feed-link-video {
    color: #ff6b35;
}

/* QR Code Sidebar */
.feed-qr {
    display: flex;
    align-items: center;
    justify-content: center;
}

.feed-qr-box {
    background: white;
    border-radius: 16px;
    border: 1px solid var(--gray-100);
    padding: 32px 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 100%;
}

.feed-qr-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #07c160, #4caf50);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.feed-qr-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.feed-qr-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.feed-qr-sub {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin: 0;
}

.feed-qr-placeholder {
    margin-top: 12px;
    width: 100px;
    height: 100px;
    background: var(--gray-50);
    border: 2px dashed var(--gray-200);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: var(--gray-400);
}

/* Mobile */
@media (max-width: 768px) {
    .social-feeds {
        padding: 48px 0;
    }

    .feed-list {
        grid-template-columns: 1fr;
    }

    .feed-qr-box {
        padding: 24px;
    }
}

/* ==================== FAQ Section ==================== */
.faq {
    background: var(--white);
}

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

.faq-item {
    border-bottom: 1px solid var(--gray-300);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    cursor: pointer;
    transition: var(--transition);
}

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

.faq-question h4 {
    flex: 1;
    padding-right: 20px;
}

.faq-icon {
    width: 24px;
    height: 24px;
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer-content {
    padding-bottom: 24px;
    color: var(--gray-500);
}

/* ==================== CTA Section ==================== */
.cta {
    background: var(--gradient-hero);
    padding: 100px 0;
    text-align: center;
    color: var(--white);
}

.cta-content {
    max-width: 720px;
    margin: 0 auto;
}

.cta h2 {
    color: var(--white);
    margin-bottom: 16px;
}

.cta-description {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 32px;
}

.cta-form {
    display: flex;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto 24px;
}

.cta-form input {
    flex: 1;
    padding: 16px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
}

.cta-form input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255,107,53,0.3);
}

.cta-gift {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(255,255,255,0.1);
    border: 1px dashed rgba(255,255,255,0.3);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.9);
}

.cta-gift svg {
    width: 20px;
    height: 20px;
    color: var(--secondary);
}

/* ==================== Footer ==================== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand .logo-main {
    color: var(--white);
}

.footer-brand p {
    font-size: 0.9375rem;
    margin-bottom: 16px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
}

.footer-social svg {
    width: 20px;
    height: 20px;
    color: var(--white);
}

.footer-column h5 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1rem;
}

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

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}

.footer-certifications {
    display: flex;
    gap: 24px;
}

.footer-certification {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
}

.footer-certification svg {
    width: 20px;
    height: 20px;
    color: var(--secondary);
}

/* ==================== Floating CTA ==================== */
.floating-cta {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.floating-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.floating-btn:hover {
    transform: scale(1.1);
}

.floating-btn.wechat {
    background: #07C160;
    color: var(--white);
}

.floating-btn.phone {
    background: var(--primary);
    color: var(--white);
}

.floating-btn svg {
    width: 24px;
    height: 24px;
}

/* ==================== Responsive ==================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-badge {
        margin: 0 auto 24px;
    }

    .hero-description {
        margin: 0 auto 32px;
    }

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

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

    .hero-visual {
        display: none;
    }

    .problems-grid,
    .solutions-grid,
    .industries-grid,
    .trust-grid,
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    section {
        padding: 64px 0;
    }

    .nav-links {
        display: none;
    }

    .nav-cta .btn {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .problems-grid,
    .solutions-grid,
    .industries-grid,
    .trust-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .cta-form {
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
    }

    .floating-cta {
        bottom: 16px;
        right: 16px;
    }
}

/* ==================== Animations ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
/* ===== GEO FORM SECTION ===== */
.geo-section {
  background: var(--gradient-hero);
  padding: 80px 0;
  color: white;
}

.geo-form-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  margin-top: 48px;
}

.geo-form-inner {
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-lg);
  padding: 40px;
  color: var(--gray-900);
  box-shadow: var(--shadow-xl);
}

.geo-form-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 28px;
  text-align: center;
  color: var(--gray-900);
}

.geo-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.geo-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.geo-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.geo-form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
}

.geo-form-group input,
.geo-form-group select {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  color: var(--gray-900);
  background: white;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  width: 100%;
}

.geo-form-group input:focus,
.geo-form-group select:focus {
  box-shadow: 0 0 0 3px rgba(0, 82, 217, 0.15);
}

.geo-form-group input::placeholder {
  color: var(--gray-500);
}

.geo-form-note {
  font-size: 0.75rem;
  color: var(--gray-500);
  text-align: center;
  margin-top: 8px;
}

/* GEO features panel */
.geo-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.geo-feature-item {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 24px;
}

.geo-feature-title {
  font-size: 1rem;
  font-weight: 700;
  color: white;
  margin-bottom: 6px;
}

.geo-feature-desc {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 16px;
}

/* Progress bar */
.geo-feature-bar {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.geo-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.8);
}

.geo-bar-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  overflow: hidden;
}

.geo-bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 999px;
  transition: width 1s ease;
}

/* Pie chart */
.geo-pie {
  display: flex;
  justify-content: center;
  padding: 8px 0;
}

.geo-pie-circle {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 6px solid #22C55E;
  border-top-color: #EF4444;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(-45deg);
}

.geo-pie-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: rotate(45deg);
  text-align: center;
}

/* Sites */
.geo-sites {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.geo-site {
  padding: 10px 16px;
  background: rgba(0, 82, 217, 0.3);
  border: 1px solid rgba(0, 82, 217, 0.5);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: white;
  font-weight: 500;
}

.geo-site-active {
  background: rgba(0, 82, 217, 0.4);
  border-color: var(--primary);
}

/* Responsive */
@media (max-width: 1024px) {
  .geo-form-wrapper {
    grid-template-columns: 1fr;
  }
}

/* ===== GEO FORM SECTION — Fixes ===== */

/* Fix 1: 标题/描述在深色背景上强制白色 */
.geo-section-title {
  color: white !important;
  text-align: center;
}

.geo-section-desc {
  color: rgba(255, 255, 255, 0.8) !important;
  text-align: center;
}

/* Fix 1: "遗忘"金色高亮，独立 span 不受 section-title 干扰 */
.geo-highlight-wang {
  display: inline-block;
  color: #FFD700;
  /* 微光 + 轻微上浮效果 */
  text-shadow: 0 0 20px rgba(255, 215, 0, 0.6), 0 0 40px rgba(255, 165, 0, 0.3);
  animation: wang-glow 2.5s ease-in-out infinite alternate;
}

@keyframes wang-glow {
  from { text-shadow: 0 0 10px rgba(255, 215, 0, 0.5), 0 0 20px rgba(255, 165, 0, 0.2); }
  to   { text-shadow: 0 0 24px rgba(255, 215, 0, 0.9), 0 0 48px rgba(255, 165, 0, 0.5); }
}

/* Fix 2: 输入框边框加粗加深，提高对比度 */
.geo-form-group input,
.geo-form-group select {
  border: 2px solid #9CA3AF;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 1rem;
  color: var(--gray-900);
  background: white;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  width: 100%;
}

.geo-form-group input:focus,
.geo-form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 82, 217, 0.15);
}

.geo-form-group input::placeholder {
  color: var(--gray-500);
}

/* Fix 3: 隐私协议 → 超链接样式 */
.geo-privacy-link {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 600;
  transition: color 0.2s;
}

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

/* Fix 4: 提交按钮 + "每日仅剩" 紧迫感 */
.geo-submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 15px 20px;
  background: var(--secondary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.4);
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  position: relative;
  overflow: hidden;
}

.geo-submit-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
  pointer-events: none;
}

.geo-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.5);
  background: var(--accent);
}

.geo-submit-btn:active {
  transform: translateY(0);
}

/* 每日限额：醒目橙红徽章，紧迫感 */
.geo-quota {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  border-radius: 50px;
  padding: 2px 10px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  color: #FFD700;
  text-shadow: 0 0 8px rgba(255, 215, 0, 0.5);
  /* 呼吸动画 */
  animation: quota-pulse 1.8s ease-in-out infinite;
}

@keyframes quota-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.75; transform: scale(1.04); }
}

/* Fix 5: 移动端对齐一致性 */
.geo-form-wrapper {
  align-items: start;
}

/* PC：表单左对齐，features 靠右（原有） */
@media (min-width: 1025px) {
  .geo-form-wrapper {
    align-items: start;
  }
}

/* 平板 & 移动：两者均居中，宽度适配 */
@media (max-width: 1024px) {
  .geo-form-wrapper {
    grid-template-columns: 1fr;
    align-items: stretch;      /* stretch 保持全宽 */
  }

  .geo-form-inner {
    width: 100%;
  }

  .geo-features {
    width: 100%;
  }
}

/* 移动端更窄：表单内部元素左对齐（与 PC 保持一致） */
@media (max-width: 480px) {
  .geo-form-inner {
    padding: 28px 20px;
  }

  .geo-form-row {
    grid-template-columns: 1fr; /* 窄屏上下排列，与 PC row 内对齐方式一致 */
  }
}