:root {
    --bg-main: #f4f5f9;
    --bg-alt: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --primary: #4f46e5;
    --primary-light: #6366f1;
    --accent: #22d3ee;
    --success: #10b981;
    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --shadow-soft: 0 24px 45px rgba(15, 23, 42, 0.12);
    --shadow-strong: 0 35px 80px rgba(15, 23, 42, 0.18);
    --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #3b82f6 50%, #22d3ee 100%);
    --gradient-secondary: linear-gradient(135deg, rgba(99, 102, 241, 0.12) 0%, rgba(79, 70, 229, 0.08) 48%, rgba(14, 165, 233, 0.12) 100%);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    background: var(--bg-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

button {
    font: inherit;
    color: inherit;
    background: none;
    border: none;
    cursor: pointer;
}

:focus-visible {
    outline: 2px dashed var(--accent);
    outline-offset: 4px;
}

.zh_page {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(241, 245, 249, 1) 0%, rgba(244, 246, 252, 1) 45%, #f8fafc 100%);
}

.zh_container {
    width: min(1200px, 92%);
    margin: 0 auto;
    position: relative;
}

.zh_section {
    position: relative;
    padding: 120px 0;
}

.zh_section_header {
    max-width: 720px;
    margin: 0 auto 60px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.zh_section_badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--primary);
    background: rgba(99, 102, 241, 0.12);
    border-radius: 999px;
    padding: 8px 18px;
    width: fit-content;
    margin: 0 auto;
}

.zh_section_title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.6px;
}

.zh_section_intro {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Hero */

.zh_hero_section {
    position: relative;
    padding: 160px 0 140px;
    min-height: 92vh;
    color: rgba(248, 250, 252, 0.96);
    overflow: hidden;
}

.zh_hero_background {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.25), transparent 55%),
                radial-gradient(circle at bottom right, rgba(244, 114, 182, 0.18), transparent 50%),
                linear-gradient(135deg, #111827 0%, #1e1b4b 60%, #1f2937 100%);
}

.zh_hero_background::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.35;
    background-image: linear-gradient(rgba(148, 163, 255, 0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(148, 163, 255, 0.08) 1px, transparent 1px);
    background-size: 120px 120px;
}

.zh_hero_overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(15, 23, 42, 0.35), transparent 65%);
}

.zh_hero_glow {
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.7;
}

.zh_hero_glow--purple {
    top: 20%;
    left: 12%;
    background: #6366f1;
}

.zh_hero_glow--blue {
    bottom: 12%;
    right: 18%;
    background: #22d3ee;
}

.zh_hero_inner {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 60px;
    align-items: center;
}

.zh_hero_copy {
    display: flex;
    flex-direction: column;
    gap: 26px;
}

.zh_hero_badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(148, 163, 255, 0.18);
    color: rgba(224, 231, 255, 0.98);
    padding: 10px 20px;
    border-radius: 999px;
    font-size: 14px;
    letter-spacing: 0.8px;
    width: fit-content;
}

.zh_hero_badge i {
    color: #38bdf8;
}

.zh_hero_title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: 1px;
    color: #ffffff;
}

.zh_hero_summary {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(226, 232, 240, 0.85);
}

.zh_hero_stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.zh_stat_item {
    background: rgba(15, 23, 42, 0.45);
    border: 1px solid rgba(99, 102, 241, 0.35);
    border-radius: 18px;
    padding: 20px 22px;
    box-shadow: 0 18px 35px rgba(15, 23, 42, 0.35);
}

.zh_stat_value {
    font-size: 30px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.8px;
}

.zh_stat_label {
    font-size: 13px;
    color: rgba(226, 232, 240, 0.65);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.zh_hero_actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.zh_btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border-radius: 999px;
    padding: 14px 26px;
    font-weight: 600;
    letter-spacing: 0.4px;
    border: 1px solid transparent;
    transition: all 0.35s ease;
}

.zh_btn--primary {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: 0 20px 45px rgba(59, 130, 246, 0.35);
}

.zh_btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 30px 60px rgba(59, 130, 246, 0.35);
}

.zh_btn--ghost {
    background: rgba(15, 23, 42, 0.4);
    color: rgba(226, 232, 240, 0.9);
    border-color: rgba(148, 163, 255, 0.35);
}

.zh_btn--ghost:hover {
    background: rgba(59, 130, 246, 0.25);
    transform: translateY(-3px);
}

.zh_btn--outline {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}

.zh_btn--outline:hover {
    background: rgba(99, 102, 241, 0.1);
}

.zh_hero_visual {
    position: relative;
    display: grid;
    gap: 28px;
    justify-items: end;
}

.zh_visual_panel {
    width: 320px;
    background: rgba(15, 23, 42, 0.65);
    border: 1px solid rgba(99, 102, 241, 0.35);
    border-radius: 22px;
    padding: 24px;
    box-shadow: 0 25px 45px rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(12px);
    color: rgba(226, 232, 240, 0.95);
}

.zh_visual_header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    font-size: 14px;
    letter-spacing: 0.5px;
}

.zh_visual_status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #38bdf8;
    font-weight: 600;
}

.zh_visual_metrics {
    list-style: none;
    display: grid;
    gap: 14px;
}

.zh_visual_metrics li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 14px;
    color: rgba(226, 232, 240, 0.78);
}

.zh_visual_metrics strong {
    font-size: 18px;
    color: #ffffff;
}

.zh_visual_progress {
    margin-top: 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 13px;
    color: rgba(226, 232, 240, 0.7);
}

.zh_progress_bar {
    width: 100%;
    height: 8px;
    background: rgba(148, 163, 255, 0.18);
    border-radius: 999px;
    overflow: hidden;
}

.zh_progress_bar span {
    display: block;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: inherit;
    box-shadow: 0 0 18px rgba(59, 130, 246, 0.45);
}

.zh_visual_card {
    position: absolute;
    top: 55%;
    right: 10px;
    transform: translateY(-50%);
    width: 280px;
    background: rgba(15, 23, 42, 0.7);
    border-radius: 20px;
    border: 1px solid rgba(148, 163, 255, 0.3);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    color: rgba(226, 232, 240, 0.92);
    box-shadow: 0 25px 45px rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(16px);
}

.zh_visual_badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #a5b4fc;
    background: rgba(99, 102, 241, 0.18);
    padding: 6px 12px;
    border-radius: 999px;
    width: fit-content;
}

.zh_visual_card h4 {
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
}

.zh_visual_card p {
    font-size: 13px;
    line-height: 1.6;
    color: rgba(226, 232, 240, 0.75);
}

.zh_visual_tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.zh_visual_tags span {
    font-size: 12px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(148, 163, 255, 0.18);
    color: rgba(224, 231, 255, 0.95);
}

.zh_visual_floating {
    position: absolute;
    bottom: -40px;
    left: 40px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: 18px;
    background: rgba(244, 114, 182, 0.18);
    color: #fdf2f8;
    border: 1px solid rgba(244, 114, 182, 0.35);
    box-shadow: 0 18px 35px rgba(244, 114, 182, 0.35);
    font-size: 13px;
}

.zh_visual_floating i {
    color: #fbcfe8;
    font-size: 16px;
}

.zh_scroll_indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: rgba(226, 232, 240, 0.7);
    letter-spacing: 0.5px;
}

.zh_scroll_indicator i {
    font-size: 16px;
    animation: zh-scroll 1.8s infinite;
}

@keyframes zh-scroll {
    0%, 100% {
        transform: translateY(0);
        opacity: 0.6;
    }
    50% {
        transform: translateY(8px);
        opacity: 1;
    }
}

/* Highlights */

.zh_highlights_grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
}

.zh_highlight_card {
    background: var(--bg-alt);
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(148, 163, 184, 0.18);
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.zh_highlight_card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.zh_highlight_card:hover::after {
    opacity: 1;
}

.zh_highlight_card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-strong);
}

.zh_card_icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: rgba(79, 70, 229, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 20px;
    box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.18);
}

.zh_highlight_card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.zh_highlight_card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Info cards */

.zh_info_section {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.02) 0%, rgba(99, 102, 241, 0.08) 100%);
}

.zh_info_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.zh_info_card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(148, 163, 184, 0.15);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.zh_info_card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-strong);
}

.zh_info_link {
    display: flex;
    flex-direction: column;
    height: 100%;
    color: inherit;
}

.zh_card_media {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.zh_card_media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.zh_info_card:hover .zh_card_media img {
    transform: scale(1.05);
}

.zh_card_flag {
    position: absolute;
    top: 18px;
    left: 18px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(99, 102, 241, 0.92);
    color: #ffffff;
    font-size: 12px;
    letter-spacing: 0.5px;
}

.zh_card_body {
    padding: 28px 26px 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.zh_card_body h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.zh_card_body p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.75;
}

.zh_card_meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
    font-size: 13px;
    color: var(--text-muted);
}

.zh_card_meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.zh_card_linktip {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--primary);
}

.zh_card_linktip i {
    transition: transform 0.3s ease;
}

.zh_info_card:hover .zh_card_linktip i {
    transform: translateX(4px);
}

/* Services */

.zh_services_section {
    background: var(--bg-alt);
}

.zh_services_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.zh_service_card {
    position: relative;
    border-radius: var(--radius-md);
    padding: 32px 28px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(236, 245, 255, 0.9) 100%);
    border: 1px solid rgba(148, 163, 184, 0.18);
    box-shadow: 0 24px 45px rgba(148, 163, 184, 0.15);
    display: flex;
    flex-direction: column;
    gap: 18px;
    overflow: hidden;
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.zh_service_card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), transparent 60%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.zh_service_card:hover::after {
    opacity: 1;
}

.zh_service_card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
}

.zh_service_icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.12);
    color: var(--primary);
    font-size: 20px;
}

.zh_service_card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.zh_service_card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.zh_service_number {
    position: absolute;
    right: 22px;
    bottom: 20px;
    font-size: 36px;
    font-weight: 700;
    color: rgba(79, 70, 229, 0.12);
}

/* Process */

.zh_process_section {
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.08) 0%, rgba(236, 254, 255, 0.2) 100%);
}

.zh_process_timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.zh_process_step {
    position: relative;
    background: rgba(255, 255, 255, 0.92);
    border-radius: var(--radius-md);
    padding: 32px 28px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(148, 163, 184, 0.15);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.zh_process_step::before {
    content: '';
    position: absolute;
    top: 18px;
    left: 28px;
    width: 52px;
    height: 4px;
    border-radius: 999px;
    background: var(--gradient-primary);
    opacity: 0.4;
}

.zh_step_index {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--primary);
}

.zh_process_step h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.zh_process_step p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* About */

.zh_about_section {
    background: var(--bg-alt);
}

.zh_about_layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
}

.zh_about_copy {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.zh_about_copy h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
}

.zh_about_copy p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.zh_about_list {
    list-style: none;
    display: grid;
    gap: 14px;
}

.zh_about_list li {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-secondary);
}

.zh_about_list li i {
    color: var(--primary);
}

.zh_about_card {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 64, 175, 0.85) 100%);
    color: rgba(226, 232, 240, 0.95);
    border-radius: var(--radius-md);
    padding: 36px 32px;
    box-shadow: 0 35px 60px rgba(15, 23, 42, 0.35);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.zh_about_card_header {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.zh_about_card_header span {
    font-size: 13px;
    color: rgba(203, 213, 225, 0.76);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.zh_about_card_header h3 {
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
}

.zh_about_details {
    display: flex;
    flex-direction: column;
    gap: 16px;
    font-size: 14px;
}

.zh_about_details div {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: rgba(226, 232, 240, 0.88);
}

.zh_about_details i {
    color: #38bdf8;
}

.zh_about_card .zh_btn--outline {
    border-color: rgba(224, 231, 255, 0.4);
    color: rgba(244, 247, 255, 0.95);
}

.zh_about_card .zh_btn--outline:hover {
    background: rgba(96, 165, 250, 0.15);
}

/* CTA */

.zh_cta_section {
    position: relative;
    padding: 120px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.95) 0%, rgba(14, 165, 233, 0.85) 100%);
    overflow: hidden;
}

.zh_cta_section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.18), transparent 55%);
    opacity: 0.6;
}

.zh_cta_inner {
    position: relative;
    z-index: 1;
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 24px;
    color: #f8fafc;
}

.zh_cta_title {
    font-size: 34px;
    font-weight: 800;
}

.zh_cta_intro {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(226, 232, 240, 0.85);
}

.zh_cta_actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.zh_cta_section .zh_btn--ghost {
    border-color: rgba(226, 232, 240, 0.45);
    color: rgba(248, 250, 252, 0.96);
    background: rgba(255, 255, 255, 0.08);
}

.zh_cta_section .zh_btn--ghost:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

/* Responsive */

@media (max-width: 1024px) {
    .zh_section {
        padding: 100px 0;
    }

    .zh_hero_inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .zh_hero_visual {
        justify-items: center;
    }

    .zh_visual_panel {
        width: min(360px, 90%);
    }

    .zh_visual_card {
        position: relative;
        top: auto;
        right: auto;
        transform: none;
        margin-top: -20px;
        width: min(320px, 90%);
    }

    .zh_visual_floating {
        position: relative;
        bottom: auto;
        left: auto;
        margin-top: 18px;
    }

    .zh_highlights_grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .zh_services_grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .zh_about_layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .zh_section {
        padding: 90px 0;
    }

    .zh_section_title {
        font-size: 26px;
    }

    .zh_hero_title {
        font-size: 32px;
    }

    .zh_hero_stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .zh_stat_item {
        padding: 18px;
    }

    .zh_highlights_grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .zh_services_grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .zh_cta_title {
        font-size: 28px;
    }
}

@media (max-width: 560px) {
    .zh_container {
        width: 92vw;
    }

    .zh_section {
        padding: 80px 0;
    }

    .zh_section_header {
        margin-bottom: 40px;
    }

    .zh_section_title {
        font-size: 24px;
    }

    .zh_hero_section {
        padding: 140px 0 100px;
    }

    .zh_hero_badge {
        font-size: 12px;
    }

    .zh_hero_title {
        font-size: 28px;
    }

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

    .zh_highlights_grid,
    .zh_services_grid {
        grid-template-columns: 1fr;
    }

    .zh_card_body {
        padding: 24px 22px 28px;
    }

    .zh_visual_panel,
    .zh_visual_card,
    .zh_visual_floating {
        width: 100%;
    }

    .zh_cta_title {
        font-size: 26px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}