:root {
    --primary-color: #c2410c;
    --secondary-color: #9a3412;
    --accent-color: #0ea5e9;
    --accent-hover: #0284c7;
    --text-color: #334155;
    --text-muted: #64748B;
    --light-bg: #fff7ed;
    --surface: #FFFFFF;
    --dark-bg: #0f172a;
    --hero-dark: #0b1220;
    --gray-100: #F8FAFC;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 22px;
    --card-padding: 1.5rem;
    --card-border: 1px solid var(--gray-200);
    --section-padding-y: 72px;
    --shadow-sm: 0 2px 12px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 12px 32px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.12);
    --transition-speed: 0.3s;
    --transition-easing: cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-color);
    line-height: 1.7;
    background: var(--surface);
}

body.zd200ehome,
body.zd200ehome-atlas {
    overflow-x: hidden;
}

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

/* ===== 导航栏 ===== */
.zd200enavbar {
    padding: 0.75rem 0;
    transition: background var(--transition-speed), box-shadow var(--transition-speed);
}

.zd200enavbar-glass,
.zd200enavbar-atlas {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(194, 65, 12, 0.12);
    box-shadow: var(--shadow-sm);
}

.zd200enavbar-brand img {
    height: 45px;
}

.zd200enav-link {
    color: var(--gray-700) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0.85rem !important;
    border-radius: var(--radius-sm);
    transition: color var(--transition-speed), background var(--transition-speed);
}

.zd200enav-link:hover {
    color: var(--primary-color) !important;
    background: rgba(194, 65, 12, 0.06);
}

.navbar-toggler {
    border: none;
    padding: 0.5rem;
}

.navbar-collapse {
    background: white;
    padding: 1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

@media (min-width: 992px) {
    .navbar-collapse {
        background: transparent;
        padding: 0;
        box-shadow: none;
    }
}

/* ===== 通用区块 ===== */
.zd200esection {
    padding: var(--section-padding-y) 0;
}

.zd200ehome .container {
    max-width: 1140px;
    padding-left: 1rem;
    padding-right: 1rem;
}

.zd200ehome .row > [class*="col-"],
.zd200ehome .row > [class~="col"] {
    min-width: 0;
}

.zd200ehome-atlas .row > [class*="col-"],
.zd200ehome-atlas .row > [class~="col"] {
    min-width: 0;
}

.zd200ehome .zd200eabout-card,
.zd200ehome .zd200efeature-card,
.zd200ehome .zd200eproduct-card,
.zd200ehome .zd200esecurity-card,
.zd200ehome .zd200ecertificate-card,
.zd200ehome .zd200edownload-card,
.zd200ehome .zd200eregister-panel,
.zd200ehome .zd200eabout-banner,
.zd200ehome .zd200earticle-card {
    border: var(--card-border);
    border-radius: var(--radius-md);
    box-sizing: border-box;
}

.zd200ehome .row.g-4 > [class*="col-"],
.zd200ehome .row.g-3 > [class*="col-"],
.zd200ehome .zd200edownload-row > [class*="col-"],
.zd200ehome .zd200esecurity-row > [class*="col-"],
.zd200ehome .zd200esecurity-certificates .row > [class*="col-"] {
    display: flex;
    flex-direction: column;
}

.zd200ehome .row.g-4 > [class*="col-"] > .zd200eabout-card,
.zd200ehome .row.g-4 > [class*="col-"] > .zd200efeature-card,
.zd200ehome .row.g-4 > [class*="col-"] > .zd200eproduct-card,
.zd200ehome .row.g-4 > [class*="col-"] > .zd200esecurity-card,
.zd200ehome .row.g-4 > [class*="col-"] > .zd200ecertificate-card,
.zd200ehome .row.g-3 > [class*="col-"] > .zd200eabout-card,
.zd200ehome .row.g-3 > [class*="col-"] > .zd200eproduct-card,
.zd200ehome .zd200edownload-row > [class*="col-"] > .zd200edownload-card,
.zd200ehome .zd200esecurity-row > [class*="col-"] > .zd200esecurity-card,
.zd200ehome .zd200esecurity-certificates .row > [class*="col-"] > .zd200ecertificate-card {
    flex: 1;
    width: 100%;
    min-height: 0;
}

/* row-cols 使用纯 .col 时匹配 col- 失败，单独拉齐文章卡高度 */
.zd200ehome #article .row > .col {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.zd200ehome #article .row > .col > .zd200earticle-card {
    flex: 1;
    width: 100%;
    min-height: 0;
}

.zd200esection-header {
    max-width: 720px;
    margin: 0 auto 3rem;
}

.zd200esection-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 1rem;
    line-height: 1.3;
    word-break: break-word;
}

.zd200esection-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--primary-color);
    background: rgba(194, 65, 12, 0.1);
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    margin-bottom: 0.75rem;
}

.zd200esection-lead {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 0;
    line-height: 1.75;
}

/* ===== 英雄区域 ===== */
.zd200ehero-section {
    position: relative;
    color: white;
    padding: 100px 0 80px;
    overflow: hidden;
    background: var(--hero-dark);
}

.zd200ehero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 90% 70% at 10% 20%, rgba(194, 65, 12, 0.28) 0%, transparent 55%),
        radial-gradient(ellipse 70% 60% at 90% 80%, rgba(14, 165, 233, 0.18) 0%, transparent 50%),
        linear-gradient(165deg, var(--hero-dark) 0%, #111827 45%, #0a0f18 100%);
}

.zd200ehero-content {
    position: relative;
    z-index: 2;
    min-width: 0;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zd200ehero-badge {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 500;
    color: #bae6fd;
    background: rgba(14, 165, 233, 0.12);
    border: 1px solid rgba(14, 165, 233, 0.28);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    margin-bottom: 1.25rem;
}

.zd200ehero-title {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.zd200ehero-subtitle {
    font-size: 1.15rem;
    margin-bottom: 1rem;
    opacity: 0.92;
    line-height: 1.65;
}

.zd200ehero-desc {
    font-size: 0.95rem;
    opacity: 0.78;
    line-height: 1.75;
    margin-bottom: 1.75rem;
}

.zd200ehero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-bottom: 2rem;
}

.zd200ehero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.zd200etrust-item {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.88rem;
    opacity: 0.85;
}

.zd200etrust-item i {
    color: var(--accent-color);
    font-size: 1.1rem;
}

.zd200ehero-image-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    z-index: 2;
}

.zd200ehero-glow {
    position: absolute;
    width: min(280px, 80%);
    height: min(280px, 80%);
    background: radial-gradient(circle, rgba(194, 65, 12, 0.45) 0%, transparent 72%);
    border-radius: 50%;
    filter: blur(40px);
    pointer-events: none;
}

.zd200ehero-image {
    position: relative;
    width: 100%;
    max-width: 320px;
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
    object-fit: contain;
}

.zd200ehero-image-shadow {
    display: none;
}

/* ===== Atlas 首页视觉扩展 ===== */
.zd200ehome-atlas .zd200ehero-section {
    padding-top: 88px;
}

.zd200ehero-grid {
    position: absolute;
    inset: 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: 48px 48px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 20%, transparent 75%);
    pointer-events: none;
    z-index: 1;
}

.zd200ehero-kicker {
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.zd200ehero-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem 0 2rem;
    z-index: 2;
    width: 100%;
    max-width: 100%;
    min-width: 0;
}

.zd200ehero-frame {
    position: relative;
    padding: 12px;
    border-radius: var(--radius-xl);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
    max-width: min(340px, 100%);
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
}

.zd200ehero-frame .zd200ehero-image {
    border-radius: var(--radius-md);
    max-width: 100%;
    width: 100%;
}

.zd200ehero-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1.25rem;
}

.zd200echip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.88);
}

.zd200echip i {
    color: var(--accent-color);
}

.zd200esection-title-left {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--gray-800);
    line-height: 1.25;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    word-break: break-word;
    overflow-wrap: anywhere;
}

.zd200esection-lead-left {
    text-align: left;
    margin-bottom: 1.25rem;
}

.zd200echecklist {
    list-style: none;
    padding: 0;
    margin: 0;
}

.zd200echecklist li {
    display: flex;
    gap: 0.65rem;
    align-items: flex-start;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.zd200echecklist i {
    color: var(--primary-color);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.zd200eabout-card-tall {
    min-height: 100%;
}

.zd200eabout-banner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, rgba(194, 65, 12, 0.06), rgba(14, 165, 233, 0.05));
    box-shadow: var(--shadow-sm);
}

.zd200eabout-banner > div:first-child {
    flex: 1 1 200px;
    min-width: 0;
}

.zd200eabout-banner strong {
    display: block;
    font-size: 1rem;
    color: var(--gray-800);
    margin-bottom: 0.35rem;
}

.zd200einsight-band {
    padding: 48px 0;
    background: var(--gray-900);
    color: #e2e8f0;
}

.zd200einsight-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.zd200einsight-lead {
    color: #94a3b8;
    font-size: 0.95rem;
}

.zd200einsight-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

@media (min-width: 768px) {
    .zd200einsight-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

.zd200einsight-cell {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    min-width: 0;
    min-height: 4.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.zd200einsight-cell span {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #94a3b8;
    margin-bottom: 0.35rem;
}

.zd200einsight-cell p {
    margin: 0;
    font-size: 0.88rem;
    color: #f1f5f9;
    line-height: 1.45;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zd200ehome-atlas .zd200efooter {
    background: linear-gradient(180deg, #0f172a 0%, #020617 100%);
}

.zd200edownload-tip {
    text-align: left;
}

/* ===== 按钮 ===== */
.btn {
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-speed) var(--transition-easing);
    position: relative;
    overflow: hidden;
}

.btn:active {
    transform: scale(0.98);
}

.btn-accent,
.zd200ebtn-accent {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    color: white;
    border: none;
}

.btn-accent:hover,
.zd200ebtn-accent:hover {
    background: linear-gradient(135deg, var(--accent-hover), #0369a1);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(14, 165, 233, 0.35);
}

.zd200ebtn-outline {
    border: 1.5px solid rgba(255, 255, 255, 0.5);
    color: white;
    background: transparent;
}

.zd200ebtn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    color: white;
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(194, 65, 12, 0.28);
    color: white;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

/* ===== 平台介绍 ===== */
.zd200eabout-section {
    background: var(--light-bg);
}

.zd200eabout-card {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: var(--card-padding);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.zd200eabout-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.zd200eabout-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(194, 65, 12, 0.1), rgba(14, 165, 233, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 1.25rem;
}

.zd200eabout-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 0.75rem;
}

.zd200eabout-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 0;
    line-height: 1.7;
}

/* ===== 特点卡片 ===== */
.zd200efeatures-section {
    background: var(--surface);
}

.zd200efeature-card {
    border-radius: var(--radius-md);
    padding: var(--card-padding);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), border-color var(--transition-speed);
}

.zd200efeature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(194, 65, 12, 0.22);
}

.zd200efeature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.zd200efeature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 0.65rem;
}

.zd200efeature-card p {
    color: var(--text-muted);
    font-size: 0.92rem;
    margin-bottom: 0;
    line-height: 1.65;
}

/* ===== 产品矩阵 ===== */
.zd200eproducts-section {
    background: linear-gradient(180deg, var(--light-bg) 0%, var(--surface) 100%);
}

.zd200eproduct-card {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: var(--card-padding);
    text-align: center;
    transition: all var(--transition-speed);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

.zd200eproduct-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.zd200eproduct-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: block;
}

.zd200eproduct-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.zd200eproduct-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 0;
    line-height: 1.6;
}

/* ===== 统计数据 ===== */
.zd200estats-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 56px 0;
    position: relative;
    overflow: hidden;
}

.zd200estats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%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");
}

.zd200ehome .zd200estats-section .row > [class*="col-"] {
    display: flex;
    flex-direction: column;
}

.zd200ehome .zd200estat-item {
    flex: 1;
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.04);
    padding: 1rem 0.65rem;
    min-height: 96px;
    box-sizing: border-box;
}

.zd200estat-item {
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 0.75rem 0.5rem;
    min-height: 88px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.zd200estat-number {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    margin-bottom: 0.35rem;
    letter-spacing: -0.02em;
}

.zd200estat-label {
    font-size: 0.95rem;
    opacity: 0.88;
}

/* ===== 注册引导 ===== */
.zd200eregister-section {
    background: var(--surface);
}

.zd200eregister-title {
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

.zd200eregister-desc {
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.75;
}

.zd200eregister-steps {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
}

.zd200eregister-steps li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.zd200estep-num {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    font-weight: 700;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.zd200eregister-steps strong {
    display: block;
    color: var(--gray-800);
    margin-bottom: 0.25rem;
}

.zd200eregister-steps p {
    color: var(--text-muted);
    font-size: 0.92rem;
    margin-bottom: 0;
}

.zd200eregister-panel {
    background: linear-gradient(135deg, rgba(194, 65, 12, 0.06), rgba(14, 165, 233, 0.06));
    border-radius: var(--radius-md);
    padding: var(--card-padding);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.zd200eregister-panel h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 1.25rem;
}

.zd200eregister-panel ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.zd200eregister-panel li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.85rem;
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.65;
}

.zd200eregister-panel li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-color);
}

/* ===== 下载区域 ===== */
.zd200edownload-section {
    padding: var(--section-padding-y) 0;
    background: var(--light-bg);
}

.zd200edownload-header {
    max-width: 680px;
    margin: 0 auto 3rem;
}

.zd200edownload-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

.zd200edownload-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

.zd200edownload-card {
    border-radius: var(--radius-md);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.zd200edownload-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.zd200edownload-card .card-body {
    padding: var(--card-padding);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.zd200edownload-card-head {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    margin-bottom: 1rem;
    min-width: 0;
}

.zd200edownload-card-head > div:last-child {
    min-width: 0;
    flex: 1;
}

.zd200edownload-card-head h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 0.15rem;
}

.zd200eplatform-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.zd200eios-icon {
    background: linear-gradient(135deg, #1C1C1E, #3A3A3C);
    color: white;
}

.zd200eandroid-icon {
    background: linear-gradient(135deg, #3DDC84, #2BB673);
    color: white;
}

.zd200epc-icon {
    background: linear-gradient(135deg, #0078D4, #005A9E);
    color: white;
}

.zd200edownload-info {
    background: rgba(194, 65, 12, 0.05);
    padding: 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    flex: 1;
}

.zd200einfo-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin-bottom: 0.6rem;
    font-size: 0.9rem;
    color: var(--gray-600);
}

.zd200einfo-item:last-child {
    margin-bottom: 0;
}

.zd200einfo-item i {
    color: var(--primary-color);
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.zd200edownload-action {
    margin-top: auto;
}

.zd200edownload-action .btn {
    width: 100%;
    justify-content: center;
    display: inline-flex;
    align-items: center;
    white-space: normal;
    text-align: center;
    line-height: 1.4;
    min-height: 44px;
}

.zd200edownload-tip {
    margin-top: 2rem;
    padding: 0.875rem 1.25rem;
    background: rgba(14, 165, 233, 0.08);
    border: 1px solid rgba(14, 165, 233, 0.22);
    border-radius: var(--radius-sm);
    color: var(--gray-600);
    font-size: 0.875rem;
    line-height: 1.65;
    word-break: break-word;
}

/* ===== 安全保障 ===== */
.zd200esecurity-section {
    padding: var(--section-padding-y) 0;
    background: var(--surface);
}

.zd200esecurity-header {
    max-width: 640px;
    margin: 0 auto 3rem;
}

.zd200esecurity-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

.zd200esecurity-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
}

.zd200esecurity-card {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: var(--card-padding);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    display: flex;
    flex-direction: column;
}

.zd200esecurity-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.zd200esecurity-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1.25rem;
}

.zd200esecurity-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

.zd200esecurity-features {
    background: rgba(194, 65, 12, 0.05);
    padding: 0.875rem;
    border-radius: var(--radius-sm);
    flex: 1;
}

.zd200efeature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.88rem;
    color: var(--gray-600);
}

.zd200efeature-item:last-child {
    margin-bottom: 0;
}

.zd200efeature-item i {
    color: var(--primary-color);
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.zd200esecurity-certificates {
    margin-top: 3.5rem;
}

.zd200ecertificate-card {
    background: var(--light-bg);
    border-radius: var(--radius-md);
    padding: var(--card-padding);
    text-align: center;
    transition: transform var(--transition-speed);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.zd200ecertificate-card:hover {
    transform: translateY(-4px);
}

.zd200ecertificate-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1.25rem;
}

.zd200ecertificate-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.zd200ecertificate-card p {
    color: var(--text-muted);
    font-size: 0.88rem;
    margin-bottom: 0;
}

/* ===== FAQ ===== */
.zd200efaq-section {
    background: var(--light-bg);
}

.zd200efaq-accordion {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.zd200efaq-accordion .accordion-item {
    border: var(--card-border);
    border-radius: var(--radius-md) !important;
    margin-bottom: 0;
    overflow: hidden;
    background: var(--surface);
    box-sizing: border-box;
}

.zd200efaq-accordion .accordion-button {
    font-weight: 600;
    font-size: 0.975rem;
    color: var(--gray-800);
    background: var(--surface);
    padding: 1rem 1.25rem;
    box-shadow: none;
    white-space: normal;
    text-align: left;
    line-height: 1.5;
}

.zd200efaq-accordion .accordion-button:not(.collapsed) {
    color: var(--primary-color);
    background: rgba(194, 65, 12, 0.05);
}

.zd200efaq-accordion .accordion-button:focus {
    box-shadow: none;
    border-color: transparent;
}

.zd200efaq-accordion .accordion-body {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.75;
    padding: 0 1.25rem 1.15rem;
}

/* ===== 文章区域 ===== */
.zd200earticle-section {
    background: var(--surface);
}

.zd200earticle-card {
    border: var(--card-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    margin-bottom: 0;
}

.zd200ehome #article .card-body {
    padding: 0.875rem;
}

.zd200ehome #article .zd200ethumb-home {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.zd200earticle-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.zd200earticle-link {
    color: var(--gray-800);
    transition: color var(--transition-speed);
}

.zd200earticle-link:hover {
    color: var(--primary-color);
}

/* ===== 页脚 ===== */
.zd200efooter {
    background: var(--gray-900);
    padding: 60px 0 30px;
    color: var(--gray-400);
}

.zd200efooter-brand img {
    max-width: 100%;
    height: auto;
}

.zd200efooter-title {
    color: white;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.zd200efooter-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.zd200efooter-links li {
    margin-bottom: 0.6rem;
}

.zd200efooter-link {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.92rem;
    transition: color var(--transition-speed);
}

.zd200efooter-link:hover {
    color: var(--accent-color);
}

.zd200efriend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.zd200efriend-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.88rem;
    transition: color var(--transition-speed);
}

.zd200efriend-links a:hover {
    color: var(--accent-color);
}

.zd200efooter-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 1.5rem;
    color: var(--gray-500);
    font-size: 0.88rem;
}

.zd200efooter-bottom a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.zd200efooter-bottom a:hover {
    color: var(--accent-color);
}

.zd200efooter-inline-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1rem;
}

.zd200efooter-inline-links a {
    white-space: nowrap;
}

/* ===== 表单 ===== */
input, select, textarea {
    transition: border-color var(--transition-speed);
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(194, 65, 12, 0.2);
}

/* ===== 列表/内容页兼容 ===== */
.pagebar .pagelist {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.pagebar .pagelist li {
    display: inline-flex;
    margin: 0;
}

.card {
    margin-bottom: 1rem;
}

.zd200ehome .row .card {
    margin-bottom: 0;
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.form-control {
    width: 100%;
}

/* 文章正文与自定义字段：CMS 常见宽图、表格、代码块 */
.zd200earticle-content,
.zd200ediyfield {
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zd200earticle-content img,
.zd200earticle-content video,
.zd200earticle-content iframe,
.zd200ediyfield img,
.zd200ediyfield video,
.zd200ediyfield iframe {
    max-width: 100%;
    height: auto;
}

.zd200earticle-content table,
.zd200ediyfield table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.zd200earticle-content pre,
.zd200ediyfield pre {
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.zd200ehome-atlas article.card .card-body > header .small {
    display: flex;
    flex-wrap: wrap;
    column-gap: 1rem;
    row-gap: 0.35rem;
}

.zd200ehome-atlas .card .list-unstyled li.d-flex {
    align-items: flex-start;
}

.zd200ehome-atlas .card .list-unstyled li.d-flex > a:last-of-type {
    flex: 1 1 auto;
    min-width: 0;
    overflow-wrap: anywhere;
    line-height: 1.45;
}

.zd200emeta-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.5rem;
}

.zd200emeta-tags .list-inline-item {
    margin-right: 0 !important;
}

.zd200ehome-atlas .zd200emb-4 h1 {
    word-break: break-word;
    overflow-wrap: anywhere;
}

.zd200ehome-atlas article.card .card-body > header h1 {
    word-break: break-word;
    overflow-wrap: anywhere;
}

.modal-dialog {
    margin: 1rem auto;
}

/* ===== 响应式 ===== */
@media (max-width: 991px) {
    :root {
        --section-padding-y: 56px;
        --card-padding: 1.25rem;
    }

    .zd200esection {
        padding: var(--section-padding-y) 0;
    }

    .zd200edownload-section,
    .zd200esecurity-section {
        padding: var(--section-padding-y) 0;
    }

    .zd200ehero-section {
        padding: 80px 0 60px;
    }

    .zd200ehero-image-container,
    .zd200ehero-visual {
        margin-top: 1rem;
        padding: 1rem;
    }

    .zd200ehero-image {
        max-width: 260px;
    }

    .zd200esection-header h2,
    .zd200edownload-header h2,
    .zd200esecurity-header h2 {
        font-size: 1.65rem;
    }

    .zd200efooter {
        text-align: center;
    }

    .zd200efooter-links {
        text-align: center;
    }

    .zd200efriend-links {
        justify-content: center;
    }
}

@media (max-width: 767px) {
    :root {
        --section-padding-y: 44px;
        --card-padding: 1.125rem;
    }

    .zd200ehome .container {
        padding-left: 0.875rem;
        padding-right: 0.875rem;
    }

    .zd200esection {
        padding: var(--section-padding-y) 0;
    }

    .zd200edownload-section,
    .zd200esecurity-section {
        padding: var(--section-padding-y) 0;
    }

    .zd200esection-header,
    .zd200edownload-header,
    .zd200esecurity-header {
        margin-bottom: 2rem;
        padding: 0 0.125rem;
    }

    .zd200esection-lead,
    .zd200edownload-subtitle,
    .zd200esecurity-subtitle,
    .zd200eregister-desc {
        font-size: 0.925rem;
        line-height: 1.65;
    }

    .zd200estats-section {
        padding: 36px 0;
    }

    .zd200estats-section .row {
        --bs-gutter-y: 0.5rem;
    }

    .zd200estat-item {
        min-height: 72px;
        padding: 0.55rem 0.35rem;
    }

    .zd200ehome .zd200estat-item {
        min-height: 78px;
        padding: 0.65rem 0.4rem;
    }

    .zd200estat-number {
        font-size: 1.65rem;
        line-height: 1.2;
    }

    .zd200estat-label {
        font-size: 0.82rem;
        line-height: 1.35;
    }

    .zd200ehero-section {
        padding: 64px 0 40px;
    }

    .zd200ehero-content {
        text-align: center;
    }

    .zd200ehero-badge {
        font-size: 0.78rem;
        padding: 0.35rem 0.75rem;
        max-width: 100%;
        line-height: 1.4;
    }

    .zd200ehero-title {
        font-size: 1.75rem;
    }

    .zd200ehero-subtitle {
        font-size: 0.975rem;
        line-height: 1.55;
    }

    .zd200ehero-desc {
        font-size: 0.875rem;
        line-height: 1.65;
        margin-bottom: 1.25rem;
    }

    .zd200ehero-buttons {
        flex-direction: column;
        margin-bottom: 1.5rem;
    }

    .zd200ehero-buttons .btn {
        width: 100%;
        justify-content: center;
        display: inline-flex;
        align-items: center;
    }

    .zd200ehero-trust {
        justify-content: center;
        gap: 0.65rem 1rem;
    }

    .zd200etrust-item {
        font-size: 0.8rem;
    }

    .zd200ehero-image-container,
    .zd200ehero-visual {
        padding: 0.25rem 0 0.75rem;
        margin-top: 0.25rem;
    }

    .zd200ehero-image {
        max-width: min(220px, 72vw);
        margin: 0 auto;
    }

    .zd200enavbar {
        padding: 0.5rem 0;
    }

    .zd200enavbar-brand img {
        height: 36px;
    }

    .zd200enavbar .navbar-collapse {
        margin-top: 0.5rem;
        max-height: 70vh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .zd200enavbar .navbar-nav {
        width: 100%;
    }

    .zd200enavbar .navbar-nav .nav-link {
        padding: 0.7rem 0.5rem !important;
        font-size: 0.95rem;
        border-bottom: 1px solid var(--gray-200);
        border-radius: 0;
    }

    .zd200enavbar .navbar-nav .nav-item:last-child .nav-link {
        border-bottom: none;
    }

    .zd200efeature-card:hover,
    .zd200eabout-card:hover,
    .zd200eproduct-card:hover,
    .zd200edownload-card:hover,
    .zd200esecurity-card:hover,
    .zd200ecertificate-card:hover,
    .zd200earticle-card:hover {
        transform: none;
    }

    .zd200eregister-title {
        font-size: 1.55rem;
    }

    .zd200eregister-panel.h-100 {
        height: auto !important;
    }

    .zd200eregister-panel {
        margin-top: 1.25rem;
    }

    .zd200eabout-banner {
        flex-direction: column;
        align-items: stretch;
    }

    .zd200eabout-banner .btn {
        width: 100%;
    }

    .zd200esection-title-left {
        font-size: 1.4rem;
    }

    .zd200einsight-band {
        padding: 36px 0;
    }

    .zd200einsight-grid {
        grid-template-columns: 1fr;
    }

    .zd200eregister-steps li {
        gap: 0.75rem;
        margin-bottom: 1.125rem;
    }

    .zd200estep-num {
        width: 32px;
        height: 32px;
        font-size: 0.875rem;
    }

    .zd200edownload-header h2 {
        font-size: 1.35rem;
        line-height: 1.4;
    }

    .zd200edownload-card-head {
        flex-direction: row;
        text-align: left;
        align-items: flex-start;
    }

    .zd200edownload-card-head h3 {
        font-size: 1rem;
        word-break: break-word;
        line-height: 1.35;
    }

    .zd200edownload-tip {
        margin-top: 1.5rem;
        padding: 0.75rem 1rem;
        font-size: 0.8125rem;
        text-align: left;
    }

    .zd200efaq-accordion .accordion-button {
        font-size: 0.925rem;
        padding: 0.875rem 1rem;
    }

    .zd200efaq-accordion .accordion-body {
        font-size: 0.875rem;
        padding: 0 1rem 1rem;
    }

    .zd200earticle-head {
        flex-direction: column;
        align-items: stretch !important;
    }

    .zd200earticle-head .btn-outline-primary {
        width: 100%;
        text-align: center;
    }

    .zd200ehome #article .card-body {
        padding: 0.75rem;
    }

    .zd200ehome #article .zd200ethumb-home {
        height: 160px;
    }

    .zd200ehome #article h3.h5 {
        font-size: 0.925rem;
        line-height: 1.4;
        margin-bottom: 0;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .zd200efooter {
        padding: 44px 0 24px;
    }

    .zd200efooter-brand img {
        height: 36px;
        margin: 0 auto;
    }

    .zd200efooter p {
        font-size: 0.875rem;
        line-height: 1.65;
    }

    #article .card-body {
        padding: 0.75rem;
    }

    #article .zd200ethumb-home {
        height: 160px !important;
    }

    #article h3.h5 {
        font-size: 0.925rem;
        line-height: 1.4;
        margin-bottom: 0;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .listbox .e2 li {
        padding-bottom: 0.75rem !important;
        margin-bottom: 0.75rem !important;
    }

    .listbox .e2 li h2.h5 {
        font-size: 1rem;
        margin-bottom: 0.35rem;
        line-height: 1.35;
    }

    .listbox .e2 li p {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .zd200ethumb-list,
    .zd200ethumb-related {
        height: 72px !important;
    }

    .zd200ethumb-side {
        height: 50px !important;
    }

    .zd200ethumb-cover {
        max-width: 100% !important;
        width: 100%;
        height: 170px !important;
        margin: 0 auto;
    }

    .navbar-brand img {
        height: 35px;
    }

    footer {
        padding: 40px 0 20px;
    }

    .zd200ehome-atlas article.card > .card-body.p-4 {
        padding: 1rem !important;
    }
}

@media (max-width: 575px) {
    .zd200ehome .container {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }

    .zd200esection-header h2,
    .zd200esecurity-header h2,
    .zd200eregister-title {
        font-size: 1.35rem;
    }

    .zd200edownload-header h2 {
        font-size: 1.2rem;
    }

    .zd200esection-tag {
        font-size: 0.72rem;
        padding: 0.3rem 0.7rem;
    }

    .zd200estat-number {
        font-size: 1.45rem;
    }

    .zd200estat-label {
        font-size: 0.75rem;
    }

    .zd200ehero-section {
        padding: 56px 0 36px;
    }

    .zd200ehero-title {
        font-size: 1.55rem;
    }

    .zd200ehero-image {
        max-width: min(200px, 68vw);
    }

    .zd200etrust-item {
        flex: 0 0 calc(50% - 0.5rem);
        justify-content: center;
    }

    .zd200etrust-item:nth-child(3) {
        flex: 0 0 100%;
    }

    .zd200eproduct-card {
        padding: 1rem;
    }

    .zd200eproduct-card i {
        font-size: 1.65rem;
        margin-bottom: 0.75rem;
    }

    .zd200ecertificate-icon {
        width: 52px;
        height: 52px;
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }

    .zd200ecertificate-card {
        padding: 1.125rem;
    }

    .zd200ehome #article .zd200ethumb-home,
    #article .zd200ethumb-home {
        height: 140px !important;
    }

    .zd200efooter-inline-links {
        gap: 0.4rem 0.75rem;
    }

    .zd200ethumb-list,
    .zd200ethumb-related {
        height: 64px !important;
    }

    .zd200ethumb-side {
        height: 46px !important;
    }

    .zd200ethumb-cover {
        height: 150px !important;
    }

    .pagebar .pagelist {
        gap: 0.35rem;
    }

    .modal-dialog {
        margin: 0.5rem;
    }

    footer {
        padding: 30px 0 15px;
    }

    .zd200efooter-bottom {
        font-size: 0.8rem;
        line-height: 1.6;
    }

    .zd200ehome-atlas article.card > .card-body.p-4 {
        padding: 0.875rem !important;
    }
}