/* ===========================
   微盟GEO - 全站样式表
   =========================== */

/* --- Reset & Base --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #4B6BFB;
    --primary-dark: #2D4ED8;
    --primary-light: #6B8AFC;
    --accent: #00D4AA;
    --accent-dark: #00B894;
    --dark: #0F1535;
    --dark-2: #1A2151;
    --dark-3: #232B5E;
    --text-main: #1F2330;
    --text-sub: #5C6378;
    --text-light: #8A92A6;
    --bg-light: #F5F7FC;
    --bg-card: #FFFFFF;
    --border: #E8EBF3;
    --gradient-1: linear-gradient(135deg, #4B6BFB 0%, #2D4ED8 100%);
    --gradient-2: linear-gradient(135deg, #6B8AFC 0%, #4B6BFB 100%);
    --gradient-dark: linear-gradient(160deg, #0F1535 0%, #1A2151 50%, #232B5E 100%);
    --gradient-hero: linear-gradient(135deg, #0F1535 0%, #1E2870 40%, #2D4ED8 100%);
    --shadow-sm: 0 2px 8px rgba(15, 21, 53, 0.06);
    --shadow-md: 0 6px 24px rgba(15, 21, 53, 0.08);
    --shadow-lg: 0 12px 48px rgba(15, 21, 53, 0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --container: 1200px;
    --transition: 0.3s ease;
}

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

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--text-main);
    background: #FFFFFF;
    line-height: 1.7;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Header / Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 21, 53, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: #FFFFFF;
    transition: color var(--transition);
}

.header.scrolled .nav-logo {
    color: var(--dark);
}

.nav-logo .logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-2);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    font-weight: 700;
}

.nav-logo .logo-text {
    background: linear-gradient(90deg, #6B8AFC, #00D4AA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header.scrolled .nav-logo .logo-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-menu a {
    display: block;
    padding: 8px 18px;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    position: relative;
}

.header.scrolled .nav-menu a {
    color: var(--text-sub);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #FFFFFF;
}

.header.scrolled .nav-menu a:hover,
.header.scrolled .nav-menu a.active {
    color: var(--primary);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

.nav-cta {
    padding: 8px 22px;
    background: var(--gradient-1);
    color: #FFFFFF !important;
    border-radius: 22px;
    font-size: 14px;
    font-weight: 600;
    transition: transform var(--transition), box-shadow var(--transition);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(75, 107, 251, 0.4);
}

/* Nav phone link */
.nav-phone {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background: var(--gradient-1);
    color: #FFFFFF !important;
    border-radius: 22px;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    transition: transform var(--transition), box-shadow var(--transition);
}

.nav-phone::before {
    content: '\260E';
    font-size: 16px;
}

.nav-phone:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(75, 107, 251, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all var(--transition);
}

.header.scrolled .nav-toggle span {
    background: var(--dark);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 620px;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 0 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(75, 107, 251, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 212, 170, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero-bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #FFFFFF;
    max-width: 760px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 28px;
}

.hero-badge .badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
    font-size: 46px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.hero h1 .highlight {
    background: linear-gradient(90deg, #6B8AFC, #00D4AA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 28px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-1);
    color: #FFFFFF;
    box-shadow: 0 4px 20px rgba(75, 107, 251, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(75, 107, 251, 0.5);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.btn-light {
    background: #FFFFFF;
    color: var(--primary);
}

.btn-light:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* --- Section Common --- */
.section {
    padding: 80px 0;
}

.section-dark {
    background: var(--gradient-dark);
    color: #FFFFFF;
}

.section-gray {
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-block;
    padding: 4px 16px;
    background: rgba(75, 107, 251, 0.1);
    color: var(--primary);
    border-radius: 16px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-dark .section-tag {
    background: rgba(0, 212, 170, 0.15);
    color: var(--accent);
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.3;
    margin-bottom: 12px;
}

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

.section-desc {
    font-size: 16px;
    color: var(--text-sub);
    max-width: 640px;
    margin: 0 auto;
}

.section-dark .section-desc {
    color: rgba(255, 255, 255, 0.6);
}

/* --- Feature Tags Scroller (standalone band below hero) --- */
.feature-scroller {
    position: relative;
    overflow: hidden;
    padding: 26px 0;
    background: linear-gradient(180deg, #1E2870 0%, #232B5E 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.feature-scroller::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(75, 107, 251, 0.5), transparent);
    pointer-events: none;
}

.feature-scroller-track {
    display: flex;
    gap: 12px;
    animation: scrollLeft 40s linear infinite;
    width: max-content;
}

.feature-scroller:hover .feature-scroller-track {
    animation-play-state: paused;
}

@keyframes scrollLeft {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.feature-tag-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 20px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
    white-space: nowrap;
}

.feature-tag-item .dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    flex-shrink: 0;
}

/* --- Value Cards --- */
.value-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.value-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    border: 1px solid var(--border);
    transition: all var(--transition);
}

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

.value-card .icon-wrap {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    background: var(--bg-light);
    transition: all var(--transition);
}

.value-card:hover .icon-wrap {
    background: var(--gradient-1);
    transform: scale(1.05);
}

.value-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-main);
}

.value-card p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.6;
}

/* --- Capability Cards (Three Pillars) --- */
.capability-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.capability-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.capability-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-2);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.capability-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-6px);
    border-color: rgba(75, 107, 251, 0.3);
}

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

.capability-card .cap-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    margin-bottom: 24px;
}

.capability-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 12px;
}

.capability-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    margin-bottom: 20px;
}

.capability-card .cap-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.capability-card .cap-features span {
    padding: 5px 12px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}

/* --- Case Studies --- */
.case-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.case-tab {
    padding: 8px 22px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 22px;
    font-size: 14px;
    color: var(--text-sub);
    cursor: pointer;
    transition: all var(--transition);
}

.case-tab.active,
.case-tab:hover {
    background: var(--gradient-1);
    color: #FFFFFF;
    border-color: transparent;
}

.case-content {
    display: none;
}

.case-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.case-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.case-left .case-metric {
    font-size: 48px;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: 8px;
}

.case-left .case-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 12px;
}

.case-left .case-desc {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.7;
    margin-bottom: 20px;
}

.case-right .case-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.case-right .case-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.case-right .case-item .item-icon {
    width: 32px;
    height: 32px;
    background: rgba(75, 107, 251, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--primary);
    flex-shrink: 0;
}

.case-right .case-item p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.6;
}

/* --- Service Flow --- */
.flow-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    position: relative;
}

.flow-card {
    text-align: center;
    position: relative;
}

.flow-card .flow-num {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: #FFFFFF;
    position: relative;
    z-index: 2;
}

.flow-card::after {
    content: '';
    position: absolute;
    top: 24px;
    right: -50%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), transparent);
    z-index: 1;
}

.flow-card:last-child::after {
    display: none;
}

.flow-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.flow-card p {
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.6;
}

/* --- Advantage Cards --- */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.advantage-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 36px;
    display: flex;
    gap: 20px;
    transition: all var(--transition);
}

.advantage-card:hover {
    background: rgba(255, 255, 255, 0.07);
    transform: translateY(-4px);
}

.advantage-card .adv-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    flex-shrink: 0;
}

.advantage-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 8px;
}

.advantage-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.7;
}

/* Light section variant: dark text on white card */
.section-gray .advantage-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
}

.section-gray .advantage-card:hover {
    background: #FFFFFF;
    box-shadow: var(--shadow-lg);
}

.section-gray .advantage-card h3 {
    color: var(--text-main);
}

.section-gray .advantage-card p {
    color: var(--text-sub);
}

/* --- Monitoring Grid --- */
.monitor-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.monitor-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    border: 1px solid var(--border);
    transition: all var(--transition);
    position: relative;
}

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

.monitor-card .monitor-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 20px;
    background: rgba(75, 107, 251, 0.08);
    color: var(--primary);
}

.monitor-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 14px;
}

.monitor-card .monitor-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.monitor-card .monitor-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-sub);
}

.monitor-card .monitor-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    flex-shrink: 0;
}

/* --- FAQ --- */
.faq-list {
    max-width: 820px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    overflow: hidden;
    transition: all var(--transition);
}

.faq-item.active {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.faq-question {
    padding: 22px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    transition: color var(--transition);
}

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

.faq-toggle {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--text-light);
    transition: transform var(--transition);
    flex-shrink: 0;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 28px;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 28px 22px;
}

.faq-answer p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.8;
}

/* --- CTA Banner --- */
.cta-banner {
    position: relative;
    background: var(--gradient-hero);
    padding: 64px 0;
    text-align: center;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 50%, rgba(75, 107, 251, 0.3) 0%, transparent 60%),
        radial-gradient(circle at 70% 50%, rgba(0, 212, 170, 0.15) 0%, transparent 60%);
}

.cta-banner .container {
    position: relative;
    z-index: 2;
}

.cta-banner h2 {
    font-size: 32px;
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 16px;
}

.cta-banner p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
}

/* --- Footer --- */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.6);
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 16px;
}

.footer-brand .footer-logo .logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-2);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    font-weight: 700;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    max-width: 320px;
}

.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: #FFFFFF;
    margin-bottom: 18px;
}

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

.footer-col ul li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition);
}

.footer-col ul li a:hover {
    color: var(--accent);
}

/* Footer contact column */
.footer-contact h4 {
    font-size: 15px;
    font-weight: 600;
    color: #FFFFFF;
    margin-bottom: 18px;
}

.footer-phone-link {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 20px;
}

.footer-phone-link .phone-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-phone-link .phone-num {
    font-size: 22px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 1px;
}

.footer-phone-link:hover .phone-num {
    text-decoration: underline;
}

.footer-qr {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-qr img {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    background: #fff;
    padding: 6px;
    flex-shrink: 0;
}

.footer-qr p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
}

/* --- Contact Modal --- */
.contact-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.contact-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.contact-modal {
    background: #fff;
    border-radius: 20px;
    width: 420px;
    max-width: 90vw;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: translateY(20px) scale(0.95);
    transition: transform 0.3s;
    overflow: hidden;
}

.contact-modal-overlay.active .contact-modal {
    transform: translateY(0) scale(1);
}

.contact-modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    font-size: 22px;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s;
    z-index: 2;
    line-height: 1;
}

.contact-modal-close:hover {
    background: rgba(255, 255, 255, 0.35);
    color: #fff;
}

.contact-modal-header {
    background: var(--gradient-hero);
    padding: 36px 32px 26px;
    text-align: center;
}

.contact-modal-header h3 {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
}

.contact-modal-header p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

.contact-modal-body {
    padding: 30px 32px 36px;
    text-align: center;
}

.contact-modal-phone {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    border-radius: 14px;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.contact-modal-phone:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(75, 107, 251, 0.35);
}

.contact-modal-phone-icon {
    font-size: 28px;
    color: #333;
    line-height: 1;
}

.contact-modal-phone-label {
    display: block;
    font-size: 20px;
    color: #333;
    margin-bottom: 2px;
}

.contact-modal-phone-num {
    display: block;
    font-size: 30px;
    font-weight: 700;
    color: #333;
    letter-spacing: 1px;
}

.contact-modal-qr img {
    width: 160px;
    height: 160px;
    border-radius: 12px;
    border: 1px solid #e8e8e8;
	margin:0 auto;
}

.contact-modal-qr p {
    margin-top: 10px;
    font-size: 14px;
    color: #666;
}

/* --- Sub Page Banner --- */
.sub-hero {
    position: relative;
    background: var(--gradient-hero);
    padding: 140px 0 80px;
    text-align: center;
    overflow: hidden;
}

.sub-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 40%, rgba(75, 107, 251, 0.25) 0%, transparent 55%),
        radial-gradient(circle at 70% 60%, rgba(0, 212, 170, 0.12) 0%, transparent 55%);
}

.sub-hero .container {
    position: relative;
    z-index: 2;
}

.sub-hero .breadcrumb {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 20px;
}

.sub-hero .breadcrumb a {
    color: rgba(255, 255, 255, 0.5);
}

.sub-hero .breadcrumb a:hover {
    color: #fff;
}

.sub-hero h1 {
    font-size: 40px;
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 16px;
}

.sub-hero .sub-hero-desc {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.65);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Product Feature Section --- */
.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.feature-row:last-child {
    margin-bottom: 0;
}

.feature-row.reverse .feature-row-content {
    order: 2;
}

.feature-row.reverse .feature-row-visual {
    order: 1;
}

.feature-row-content .feature-label {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(75, 107, 251, 0.1);
    color: var(--primary);
    border-radius: 14px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
}

.feature-row-content h2 {
    font-size: 30px;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 16px;
    line-height: 1.3;
}

.feature-row-content > p {
    font-size: 15px;
    color: var(--text-sub);
    line-height: 1.8;
    margin-bottom: 24px;
}

.feature-row-content .feature-points {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.feature-row-content .feature-points li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.feature-row-content .feature-points li .point-icon {
    width: 24px;
    height: 24px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 12px;
    flex-shrink: 0;
    margin-top: 2px;
}

.feature-row-content .feature-points li .point-text strong {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 2px;
}

.feature-row-content .feature-points li .point-text span {
    font-size: 13px;
    color: var(--text-light);
}

.feature-row-visual {
    position: relative;
}

.feature-visual-box {
    background: var(--gradient-dark);
    border-radius: var(--radius-lg);
    padding: 40px;
    min-height: 340px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    overflow: hidden;
}

.feature-visual-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 20%, rgba(75, 107, 251, 0.2) 0%, transparent 60%);
}

.visual-metric {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.visual-metric .vm-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.visual-metric .vm-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--accent);
}

.visual-bar {
    position: relative;
    z-index: 1;
}

.visual-bar .vb-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 6px;
}

.visual-bar .vb-track {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.visual-bar .vb-fill {
    height: 100%;
    background: var(--gradient-2);
    border-radius: 3px;
    transition: width 1s ease;
}

/* --- News Grid --- */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.news-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all var(--transition);
    cursor: pointer;
}

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

.news-card .news-image {
    width: 100%;
    height: 200px;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.news-card .news-image .news-image-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 30%, rgba(75, 107, 251, 0.4) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(0, 212, 170, 0.2) 0%, transparent 50%);
}

.news-card .news-image .news-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 4px 12px;
    background: rgba(75, 107, 251, 0.9);
    color: #fff;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    z-index: 2;
}

.news-card .news-body {
    padding: 24px;
}

.news-card .news-date {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 10px;
}

.news-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card .news-excerpt {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
}

.news-card .news-more {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap var(--transition);
}

.news-card:hover .news-more {
    gap: 8px;
}

/* --- Stats Section --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

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

.stat-item .stat-number {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(90deg, #6B8AFC, #00D4AA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: 8px;
}

.stat-item .stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
}

/* --- Global Service Cards --- */
.global-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.global-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 1px solid var(--border);
    transition: all var(--transition);
}

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

.global-card .gc-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
    background: var(--gradient-1);
    color: #fff;
}

.global-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 12px;
}

.global-card p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.7;
    margin-bottom: 16px;
}

.global-card .gc-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.global-card .gc-tags span {
    padding: 5px 12px;
    background: var(--bg-light);
    border-radius: 14px;
    font-size: 12px;
    color: var(--text-sub);
}

/* --- Platform Showcase --- */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    margin-top: 40px;
}

.platform-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 20px 12px;
    text-align: center;
    transition: all var(--transition);
}

.platform-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
}

.platform-item .platform-name {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 8px;
}

.platform-item .platform-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--accent);
}

/* --- Animation: Reveal on Scroll --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
    .value-grid,
    .monitor-grid,
    .news-grid,
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .capability-grid,
    .global-grid,
    .advantage-grid {
        grid-template-columns: 1fr;
    }

    .flow-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 12px;
    }

    .platform-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .feature-row,
    .case-card {
        grid-template-columns: 1fr;
    }

    .feature-row.reverse .feature-row-content {
        order: 1;
    }

    .feature-row.reverse .feature-row-visual {
        order: 2;
    }

    .hero h1 {
        font-size: 34px;
    }

    .section-title {
        font-size: 28px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 68px;
        left: 0;
        right: 0;
        background: rgba(15, 21, 53, 0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 20px;
        gap: 4px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-menu a {
        width: 100%;
        padding: 14px 18px;
        border-radius: var(--radius-sm);
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        min-height: 520px;
        padding: 80px 0 60px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 15px;
    }

    .value-grid,
    .monitor-grid,
    .news-grid,
    .stats-grid,
    .platform-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .flow-card::after {
        display: none;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .section {
        padding: 56px 0;
    }

    .section-title {
        font-size: 24px;
    }

    .cta-banner h2 {
        font-size: 24px;
    }

    .contact-modal {
        width: 92vw;
    }

    .contact-modal-header {
        padding: 28px 24px 20px;
    }

    .contact-modal-header h3 {
        font-size: 19px;
    }

    .contact-modal-body {
        padding: 24px 24px 28px;
    }

    .contact-modal-phone {
        padding: 14px 24px;
    }

    .contact-modal-phone-num {
        font-size: 20px;
    }

    .contact-modal-qr img {
        width: 140px;
        height: 140px;
    }
}