/* ========== CSS 重置与根变量 ========== */

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

:root {
    --container: 1180px;
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-secondary: #10b981;
    --color-warning: #f59e0b;
    --color-white: #ffffff;
    --color-light-bg: #f9fafb;
    --color-border: #e5e7eb;
    --color-text-dark: #1f2937;
    --color-text-gray: #6b7280;
    --color-text-light: #9ca3af;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --transition: all 0.3s ease;
    --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.12);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--color-text-dark);
    background: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 图片处理 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

.image-box,
.command-media,
.dashboard-media,
.preview-media,
.local-img-frame,
.panel-media,
.record-media,
.security-media,
.view-frame,
.flow-img-frame,
.hero-visual {
    overflow: visible;
    line-height: 0;
    padding: 0;
}

.image-box img,
.command-media img,
.dashboard-media img,
.preview-media img,
.local-img-frame img,
.panel-media img,
.panel-img,
.dashboard-img,
.record-img,
.security-img,
.view-img,
.flow-img,
.hero-main-img,
.hero-img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

/* ========== 容器和布局 ========== */

.container {
    width: min(100% - 32px, var(--container));
    margin-inline: auto;
}

/* ========== 排版 ========== */

h1, h2, h3, h4, h5, h6 {
    color: var(--color-text-dark);
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
}

p {
    color: var(--color-text-gray);
    line-height: 1.8;
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--color-primary-dark);
}

/* ========== 进度条 ========== */

.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    width: 0%;
    z-index: 9999;
    transition: width 0.2s ease;
}

/* ========== 导航栏 ========== */

.command-header {
    position: sticky;
    top: 0;
    z-index: 900;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.command-header.scrolled {
    box-shadow: var(--shadow-light);
    padding: 8px 0;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    max-width: var(--container);
    width: 100%;
    margin: 0 auto;
    padding-left: 16px;
    padding-right: 16px;
}

.header-left {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
}


.logo-text {
    color: var(--color-primary);
    font-size: 1rem;
}

.header-center {
    flex: 1;
    text-align: center;
    display: none;
}

.header-center.show {
    display: block;
}

.header-panel-label {
    color: var(--color-text-gray);
    font-size: 0.9rem;
    margin-right: 4px;
}

.header-panel-name {
    color: var(--color-primary);
    font-weight: 600;
}

.header-right {
    display: flex;
    gap: 12px;
    flex: 0 0 auto;
}

.header-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--color-light-bg);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--color-text-dark);
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-icon {
    font-size: 1rem;
}

/* ========== 移动端菜单按钮 ========== */

.mobile-panel-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    box-shadow: var(--shadow-medium);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 800;
    transition: var(--transition);
}

.mobile-panel-btn:hover {
    background: var(--color-primary-dark);
    transform: scale(1.1);
}

.mobile-panel-menu {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-top: 2px solid var(--color-primary);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    z-index: 850;
    border-radius: 16px 16px 0 0;
}

.mobile-panel-menu.active {
    max-height: 70vh;
    overflow-y: auto;
}

.mobile-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    background: var(--color-white);
}

.mobile-panel-header h3 {
    color: var(--color-primary);
    margin: 0;
}

.mobile-panel-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-gray);
}

.mobile-panel-nav {
    display: flex;
    flex-direction: column;
}

.mobile-panel-link {
    padding: 16px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-dark);
    display: block;
    transition: var(--transition);
}

.mobile-panel-link:hover {
    background: var(--color-light-bg);
    color: var(--color-primary);
}

/* ========== Hero Section ========== */

.hero-section {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
}

.hero-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

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

.hero-label {
    font-size: 0.85rem;
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-title {
    color: var(--color-primary);
    line-height: 1.2;
}

.hero-text {
    font-size: 1rem;
    color: var(--color-text-gray);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 32px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.hero-warning {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: rgba(245, 158, 11, 0.1);
    border-left: 4px solid var(--color-warning);
    border-radius: 4px;
}

.warning-icon {
    flex-shrink: 0;
    font-size: 1.2rem;
}

.warning-text {
    color: var(--color-text-dark);
    margin: 0;
    font-size: 0.9rem;
}

.hero-note {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin: 0;
}

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

.hero-panel-frame {
    position: relative;
    background: var(--color-light-bg);
    border-radius: 12px;
    border: 2px solid var(--color-primary);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.panel-screen {
    position: relative;
    background: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    padding: 16px;
}

.panel-status-tags {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    background: var(--color-text-dark);
    justify-content: flex-end;
}

.status-tag {
    padding: 4px 12px;
    border-radius: 3px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-white);
}

.tag-trx {
    background: var(--color-primary);
}

.tag-trc20 {
    background: var(--color-secondary);
}

.tag-account {
    background: var(--color-warning);
}

.tag-risk {
    background: #f97316;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.metric-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    background: var(--color-light-bg);
    border-radius: 8px;
    border-left: 4px solid var(--color-primary);
}

.metric-label {
    font-size: 0.85rem;
    color: var(--color-text-gray);
    font-weight: 600;
}

.metric-indicator {
    font-size: 1.5rem;
    color: var(--color-secondary);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ========== 小节标题 ========== */

section {
    padding: 80px 0;
    border-bottom: 1px solid var(--color-border);
}

section:nth-child(odd) {
    background: var(--color-light-bg);
}

.section-title {
    text-align: center;
    margin-bottom: 12px;
    position: relative;
    padding-bottom: 24px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--color-primary);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-gray);
    font-size: 1.1rem;
    margin-bottom: 48px;
}

/* ========== 仪表墙 ========== */

.dashboard-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: flex-start;
}

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

.gauge-item {
    padding: 24px;
    background: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
}

.gauge-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-medium);
    transform: translateY(-4px);
}

.gauge-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.gauge-title {
    font-size: 1.1rem;
    color: var(--color-text-dark);
    margin: 0;
}

.gauge-status-light {
    font-size: 1.2rem;
    color: var(--color-secondary);
}

.gauge-desc {
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.gauge-labels {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.label-tag {
    padding: 4px 10px;
    background: var(--color-light-bg);
    border-radius: 3px;
    font-size: 0.8rem;
    color: var(--color-text-gray);
}

.gauge-expand-btn {
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.gauge-expand-btn:hover {
    transform: translateX(4px);
}

.dashboard-media {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    background: var(--color-white);
    border-radius: 8px;
    border: 2px solid var(--color-border);
    padding: 20px;
}

.dashboard-expand-content {
    margin-top: 40px;
    padding: 32px;
    background: var(--color-white);
    border-radius: 8px;
    border-left: 4px solid var(--color-primary);
    animation: slideIn 0.3s ease;
}

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

/* ========== 账户控制台 ========== */

.account-console {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.console-controls {
    display: flex;
    gap: 16px;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 16px;
}

.control-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--color-text-gray);
    font-weight: 600;
    transition: var(--transition);
    position: relative;
}

.control-btn:hover {
    color: var(--color-primary);
}

.control-btn.active {
    color: var(--color-primary);
}

.control-btn.active::after {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
}

.control-icon {
    font-size: 1.2rem;
}

.console-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.panel-title {
    color: var(--color-primary);
    margin-bottom: 12px;
}

.panel-desc {
    color: var(--color-text-gray);
    margin-bottom: 20px;
}

.panel-checklist {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
    padding: 20px;
    background: var(--color-light-bg);
    border-radius: 8px;
}

.check-item {
    color: var(--color-text-dark);
    font-size: 0.95rem;
}

.panel-warning {
    padding: 16px;
    background: rgba(245, 158, 11, 0.1);
    border-left: 4px solid var(--color-warning);
    border-radius: 4px;
    margin-bottom: 20px;
    color: var(--color-text-dark);
}

.panel-warning strong {
    color: var(--color-warning);
}

.panel-media {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    background: var(--color-light-bg);
    border-radius: 8px;
    padding: 20px;
}

/* ========== 双轨区 ========== */

.dual-track-wrapper {
    display: flex;
    flex-direction: column;
    gap: 48px;
    margin-bottom: 48px;
}

.track-container {
    background: var(--color-white);
    padding: 32px;
    border-radius: 8px;
    border: 2px solid var(--color-border);
}

.track-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 28px;
}

.track-line {
    display: flex;
    align-items: flex-start;
    gap: 0;
    flex-wrap: wrap;
    position: relative;
}

.track-node {
    flex: 1;
    min-width: 200px;
    position: relative;
    padding-bottom: 20px;
    text-align: center;
}

.node-point {
    width: 16px;
    height: 16px;
    background: var(--color-white);
    border: 3px solid var(--color-primary);
    border-radius: 50%;
    margin: 0 auto 12px;
    transition: var(--transition);
    cursor: pointer;
}

.track-node:hover .node-point {
    background: var(--color-primary);
    transform: scale(1.3);
}

.node-label {
    font-weight: 600;
    color: var(--color-text-dark);
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.node-content {
    font-size: 0.85rem;
    color: var(--color-text-gray);
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.track-node:hover .node-content {
    opacity: 1;
    max-height: 100px;
}

.track-connector {
    flex: 1;
    height: 2px;
    background: var(--color-border);
    margin-top: 7px;
    min-width: 20px;
    transition: var(--transition);
}

.track-line:hover .track-connector {
    background: var(--color-primary);
}

.track-details {
    background: var(--color-white);
    padding: 32px;
    border-radius: 8px;
    border-left: 4px solid var(--color-primary);
    display: none;
    animation: slideIn 0.3s ease;
}

.track-details.show {
    display: block;
}

/* ========== 记录回放器 ========== */

.record-replayer {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 32px;
    align-items: flex-start;
    background: var(--color-white);
    padding: 32px;
    border-radius: 8px;
    border: 2px solid var(--color-border);
}

.record-fields {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.field-btn {
    padding: 12px 16px;
    background: var(--color-light-bg);
    border: 2px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--color-text-dark);
    font-weight: 600;
    transition: var(--transition);
}

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

.field-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.field-icon {
    font-size: 1.1rem;
}

.record-display {
    grid-column: 2;
}

.field-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

.field-panel h3 {
    color: var(--color-primary);
    margin-bottom: 16px;
}

.field-panel p {
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.record-media {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    background: var(--color-light-bg);
    border-radius: 8px;
    padding: 20px;
}

/* ========== 安全确认台 ========== */

.security-stage {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: flex-start;
}

.security-toggles {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.toggle-item {
    padding: 20px;
    background: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
}

.toggle-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-medium);
}

.toggle-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.toggle-title {
    font-weight: 600;
    color: var(--color-text-dark);
    font-size: 1rem;
}

.toggle-status {
    padding: 4px 10px;
    background: var(--color-light-bg);
    border-radius: 3px;
    font-size: 0.8rem;
    color: var(--color-text-gray);
}

.toggle-content {
    display: none;
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
    animation: slideIn 0.3s ease;
}

.toggle-content.show {
    display: block;
}

.toggle-content p {
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.toggle-content strong {
    color: var(--color-text-dark);
}

.security-media {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    background: var(--color-light-bg);
    border-radius: 8px;
    padding: 20px;
}

/* ========== App 视窗墙 ========== */

.app-view-wall {
    background: var(--color-white);
    padding: 32px;
    border-radius: 8px;
    border: 2px solid var(--color-border);
}

.view-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, auto);
    gap: 20px;
}

.view-item {
    position: relative;
    cursor: pointer;
}

.view-item-1 {
    grid-column: 1;
    grid-row: 1 / 3;
}

.view-item-2 {
    grid-column: 2;
    grid-row: 1;
}

.view-item-3 {
    grid-column: 3;
    grid-row: 1;
}

.view-item-4 {
    grid-column: 2 / 4;
    grid-row: 2;
}

.view-frame {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 250px;
    background: var(--color-light-bg);
    border: 2px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    padding: 12px;
}

.view-item:hover .view-frame {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-medium);
    transform: scale(1.02);
}

.view-img {
    max-width: 100%;
    height: auto;
    cursor: pointer;
}

/* 预览模态 */
.view-preview-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.view-preview-modal.active {
    display: flex;
}

.preview-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    z-index: 1001;
}

.preview-content {
    max-width: 90%;
    max-height: 90vh;
    overflow: auto;
}

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

/* ========== 操作分流台 ========== */

.flow-dispatcher {
    background: var(--color-white);
    padding: 32px;
    border-radius: 8px;
    border: 2px solid var(--color-border);
}

.flow-entries {
    display: flex;
    gap: 16px;
    justify-content: space-between;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.flow-entry {
    flex: 1;
    min-width: 140px;
    padding: 16px;
    background: var(--color-light-bg);
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-dark);
    transition: var(--transition);
}

.flow-entry:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.flow-entry.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.flow-icon {
    font-size: 1.5rem;
}

.flow-results {
    position: relative;
}

.flow-result {
    display: none;
    animation: slideIn 0.3s ease;
}

.flow-result.active {
    display: block;
}

.flow-result h3 {
    color: var(--color-primary);
    margin-bottom: 16px;
}

.flow-list {
    list-style: none;
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

.flow-list li {
    padding: 8px 0;
    color: var(--color-text-gray);
}

.flow-img-frame {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    background: var(--color-light-bg);
    border-radius: 8px;
    padding: 20px;
}

/* ========== 操作前封锁线 ========== */

.checkpoint-barrier {
    background: var(--color-white);
    padding: 32px;
    border-radius: 8px;
    border: 2px solid var(--color-border);
}

.barrier-steps {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: space-between;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.barrier-step {
    flex: 1;
    min-width: 120px;
    text-align: center;
    position: relative;
}

.step-btn {
    padding: 12px 20px;
    background: var(--color-light-bg);
    border: 2px solid var(--color-border);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-dark);
    transition: var(--transition);
    width: 100%;
}

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

.step-btn.completed {
    background: var(--color-secondary);
    color: var(--color-white);
    border-color: var(--color-secondary);
}

.step-status {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-gray);
    margin-top: 8px;
}

.step-status.passed {
    color: var(--color-secondary);
}

.barrier-divider {
    height: 2px;
    background: var(--color-border);
    flex: 0.5;
    min-width: 15px;
}

.barrier-divider.completed {
    background: var(--color-secondary);
}

.checkpoint-status {
    padding: 24px;
    background: var(--color-light-bg);
    border-radius: 8px;
    text-align: center;
    border-left: 4px solid var(--color-border);
}

.checkpoint-status.completed {
    background: rgba(16, 185, 129, 0.1);
    border-left-color: var(--color-secondary);
}

.status-content {
    display: none;
}

.status-content.show {
    display: block;
    animation: slideIn 0.3s ease;
}

.status-message {
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 8px;
}

.status-message.completed {
    color: var(--color-secondary);
}

.status-hint {
    font-size: 0.9rem;
    color: var(--color-text-gray);
    margin: 0;
}

/* ========== FAQ ========== */

.faq-categories {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 16px;
    flex-wrap: wrap;
}

.faq-category-btn {
    padding: 12px 24px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--color-text-gray);
    font-weight: 600;
    transition: var(--transition);
    position: relative;
}

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

.faq-category-btn.active {
    color: var(--color-primary);
}

.faq-category-btn.active::after {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
}

.faq-group {
    display: none;
}

.faq-group.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.faq-item {
    padding: 20px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-white);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--color-text-dark);
    font-weight: 600;
    text-align: left;
    transition: var(--transition);
}

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

.faq-question:after {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    margin-left: auto;
    transform: rotate(-45deg);
    transition: var(--transition);
}

.faq-answer {
    display: none;
    padding-top: 16px;
    color: var(--color-text-gray);
    animation: slideIn 0.3s ease;
}

.faq-answer.show {
    display: block;
}

/* ========== Footer ========== */

.footer-section {
    background: var(--color-text-dark);
    color: #d1d5db;
    padding: 60px 0;
    border-top: none;
}

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

.footer-brand h3 {
    color: var(--color-white);
    margin-bottom: 16px;
}

.footer-brand p {
    color: #9ca3af;
    font-size: 0.95rem;
}

.footer-section-title {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #9ca3af;
    font-size: 0.9rem;
}

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

.footer-warning {
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: #fbbf24;
    line-height: 1.6;
}

.footer-disclaimer {
    margin-bottom: 20px;
    font-size: 0.85rem;
    color: #9ca3af;
    line-height: 1.6;
}

.footer-copyright {
    font-size: 0.85rem;
    color: #707070;
    margin: 0;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 32px;
    text-align: center;
}

/* ========== 返回顶部 ========== */

.back-to-top {
    position: fixed;
    bottom: 24px;
    left: 24px;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1.5rem;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
    z-index: 700;
}

.back-to-top.show {
    display: flex;
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
}

/* ========== 响应式 ========== */

@media (max-width: 1024px) {
    .hero-wrapper {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .dashboard-wrapper {
        grid-template-columns: 1fr;
    }

    .security-stage {
        grid-template-columns: 1fr;
    }

    .record-replayer {
        grid-template-columns: 1fr;
    }

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

    .view-item-1, .view-item-2, .view-item-3, .view-item-4 {
        grid-column: auto !important;
        grid-row: auto !important;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    .header-center {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .mobile-panel-btn {
        display: flex;
    }

    .header-right {
        display: none;
    }

    .logo-text {
        display: none;
    }

    section {
        padding: 48px 0;
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.3rem;
    }

    .dashboard-gauges {
        grid-template-columns: 1fr;
    }

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

    .console-controls {
        gap: 8px;
    }

    .dual-track-wrapper {
        gap: 32px;
    }

    .track-line {
        flex-direction: column;
    }

    .track-connector {
        display: none;
    }

    .flow-entries {
        gap: 12px;
    }

    .flow-entry {
        min-width: 100px;
    }

    .barrier-steps {
        gap: 8px;
    }

    .barrier-divider {
        display: none;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .faq-categories {
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .container {
        width: min(100% - 16px, var(--container));
    }

    section {
        padding: 32px 0;
    }

    h1 {
        font-size: 1.3rem;
    }

    h2 {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .btn {
        width: 100%;
    }

    .hero-metrics {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .metric-block {
        padding: 12px;
    }

    .gauge-item {
        padding: 16px;
    }

    .panel-checklist {
        padding: 16px;
        gap: 10px;
    }

    .toggle-item {
        padding: 16px;
    }

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

    .field-btn {
        padding: 10px 12px;
        font-size: 0.8rem;
    }

    .faq-item {
        padding: 16px;
    }

    .faq-question {
        font-size: 0.95rem;
    }

    .step-btn {
        padding: 10px 12px;
        font-size: 0.8rem;
    }

    .back-to-top {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}