/* ===== 主样式表 - 智影·全景通 ===== */

:root {
    /* 配色 */
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    --color-secondary: #10b981;
    --color-secondary-dark: #059669;
    --color-accent: #f59e0b;
    --color-accent-dark: #d97706;
    --color-bg: #f8fafc;
    --color-bg-white: #ffffff;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-border: #e2e8f0;
    --color-shadow: rgba(15, 23, 42, 0.08);

    /* 间距 */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 48px;
    --space-xl: 80px;
    --space-2xl: 120px;

    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;

    /* 容器 */
    --container-max: 1200px;
    --container-padding: 24px;

    /* 过渡 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 10px 40px rgba(15, 23, 42, 0.10);
    --shadow-xl: 0 20px 50px rgba(15, 23, 42, 0.15);
}

/* ===== 通用工具类 ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

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

.text-primary {
    color: var(--color-primary);
}

.mt-3 {
    margin-top: 24px;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 16px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    line-height: 1.2;
    border: 2px solid transparent;
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}

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

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

.btn-outline:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 17px;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ===== 顶部导航栏 ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 1px 0 var(--color-border);
    z-index: 1000;
    transition: var(--transition);
}

.nav-inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
    color: var(--color-text);
    text-decoration: none;
}

.nav-logo img {
    height: 32px;
    width: auto;
    display: block;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-close {
    display: none;
}

.nav-link {
    color: var(--color-text);
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 8px 16px;
    border: 1.5px solid transparent;
    border-radius: var(--radius-sm);
    text-decoration: none;
    display: inline-block;
}

.nav-link:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.nav-link.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.nav-link-cta {
    background: transparent;
    color: var(--color-primary) !important;
    padding: 8px 20px;
    border: 1.5px solid var(--color-primary);
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: var(--transition);
}

.nav-link-cta:hover {
    background: var(--color-primary);
    color: #fff !important;
    border-color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.nav-link-cta.active {
    background: var(--color-primary);
    color: #fff !important;
    border-color: var(--color-primary);
}

/* 移动端汉堡菜单 */
.nav-toggle {
    display: none;
    width: 36px;
    height: 36px;
    flex-direction: column;
    justify-content: space-around;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    border-radius: 1px;
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero 区（首页） ===== */
.hero {
    position: relative;
    min-height: 100vh;
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #3b82f6 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 100px var(--container-padding) 80px;
    text-align: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(245, 158, 11, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 60px;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 24px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 24px;
    margin-bottom: 20px;
    opacity: 0.95;
    font-weight: 500;
}

.hero-desc {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.85;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-cta .btn-primary {
    background: #fff;
    color: var(--color-primary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    border-color: #fff;
}

.hero-cta .btn-primary:hover {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

.hero-cta .btn-outline {
    border-color: #fff;
    color: #fff;
    background: transparent;
}

.hero-cta .btn-outline:hover {
    background: #fff;
    color: var(--color-primary);
    border-color: #fff;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    opacity: 0.7;
    font-size: 13px;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, -10px); }
}

.arrow-down {
    display: block;
    width: 20px;
    height: 20px;
    border-right: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(45deg);
}

/* ===== 通用 Section ===== */
.section {
    padding: var(--space-xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 18px;
    color: var(--color-text-light);
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.6;
}

.section-more {
    text-align: center;
    margin-top: var(--space-lg);
}

/* ===== 数据统计 ===== */
.stats {
    margin-top: -60px;
    position: relative;
    z-index: 2;
    padding: 0 var(--container-padding);
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.stat-item {
    background: #fff;
    padding: 32px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: var(--transition);
}

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

.stat-number {
    font-size: 42px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
    font-feature-settings: "tnum";
    line-height: 1;
}

.stat-label {
    color: var(--color-text-light);
    font-size: 14px;
    font-weight: 500;
}

/* ===== 3 大核心优势 ===== */
.section-advantages {
    background: var(--color-bg);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.advantage-card {
    background: #fff;
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
    position: relative;
    border: 2px solid transparent;
}
/* 3大核心优势 - 悬停效果 */
.advantage-card {
    position: relative;
    padding-top: 30px;
}

.advantage-hover-tag {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    background: #2563eb;
    color: #fff;
    padding: 4px 20px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.advantage-card:hover {
    border: 2px solid #2563eb;
}

.advantage-card:hover .advantage-hover-tag {
    opacity: 1;
}

.advantage-card:hover .advantage-tag {
    opacity: 1;
}


.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.advantage-card-highlight {
    border-color: var(--color-primary);
    background: linear-gradient(180deg, #fff 0%, #f0f7ff 100%);
    transform: scale(1.03);
}

.advantage-card-highlight:hover {
    transform: translateY(-8px) scale(1.03);
}

.advantage-tag {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: #fff;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.advantage-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
    line-height: 1;
}

.advantage-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
}

.advantage-desc {
    color: var(--color-text-light);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.advantage-list {
    list-style: none;
    padding: 0;
    text-align: left;
}

.advantage-list li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--color-text);
    font-size: 14px;
    line-height: 1.5;
    border-bottom: 1px dashed var(--color-border);
}

.advantage-list li:last-child {
    border-bottom: none;
}

.advantage-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 8px;
    color: var(--color-secondary);
    font-weight: 700;
    font-size: 14px;
}

/* ===== 案例预览 ===== */
.section-cases-preview {
    background: #fff;
}

.cases-preview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.case-vr {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
    cursor: pointer;
}





.case-vr-img {
    aspect-ratio: 1 / 1;
    background-size: cover;
    background-position: center;
    background-color: #f1f5f9;
}

/* VR iframe 预览 */
.case-vr {
    position: relative;
    height: 180px;
    background: #000;
    overflow: hidden;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
}

.case-vr iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.case-vr-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    pointer-events: none;
}

.case-vr-info {
    padding: 16px;
    text-align: center;
}

.case-vr-info h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.case-vr-tag {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    margin-bottom: 6px;
}

/* 更多案例隐藏 */
.more-case {
    display: none;
}

.cases-preview-grid.show-all .more-case {
    display: block;
}

/* ===== 流程步骤 ===== */
.section-process {
    background: var(--color-bg);
}

.process-timeline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.process-step {
    flex: 1;
    text-align: center;
    background: #fff;
    padding: 32px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.process-num {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.process-step h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.process-step p {
    color: var(--color-text-light);
    font-size: 13px;
}

.process-arrow {
    color: var(--color-primary);
    font-size: 24px;
    font-weight: 700;
    flex-shrink: 0;
}

/* ===== CTA 留资区 ===== */
.section-cta {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    color: #fff;
    padding: 80px 0;
}

.cta-box {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}

.cta-desc {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn-primary {
    background: #fff;
    color: var(--color-primary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.cta-buttons .btn-primary:hover {
    background: var(--color-accent);
    color: #fff;
}

.cta-buttons .btn-outline {
    background: transparent;
    color: #fff;
    border-color: #fff;
}

.cta-buttons .btn-outline:hover {
    background: #fff;
    color: var(--color-primary);
}

.cta-buttons-vertical {
    flex-direction: column;
    max-width: 400px;
    margin: 0 auto;
}

.cta-buttons-vertical .btn {
    width: 100%;
}

/* ===== Footer ===== */
.footer {
    background: #0f172a;
    color: #cbd5e1;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: 40px;
}

.footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.footer-col p {
    font-size: 14px;
    line-height: 2;
    color: #94a3b8;
    margin-bottom: 4px;
}

.footer-col a {
    font-size: 14px;
    color: #94a3b8;
    transition: var(--transition);
    display: inline;
    text-decoration: none;
}

.footer-col a:hover {
    color: #fff;
}

.footer-logo {
    display: flex !important;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px !important;
    color: #fff !important;
    font-weight: 700;
}

.footer-logo img {
    height: 32px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-desc {
    color: #94a3b8 !important;
    line-height: 1.7 !important;
    margin-top: 8px !important;
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 24px;
    text-align: center;
    color: #64748b;
    font-size: 13px;
}

/* ===== 滚动渐显动画 ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== 通用页面 Banner（子页） ===== */
.page-banner {
    color: #fff;
    text-align: center;
    padding: 120px var(--container-padding) 80px;
    margin-top: 64px;
}

.page-banner-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    line-height: 1.2;
}

.page-banner-subtitle {
    font-size: 20px;
    opacity: 0.9;
    max-width: 720px;
    margin: 0 auto;
    font-weight: 400;
}

/* ===== 关于页 - 品牌简介 方案2 垂直流程式 ===== */
.section-intro {
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
    padding: 80px 0;
}

.flow-card {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.flow-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 32px 40px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.08);
    border: 1px solid #e0edff;
    transition: all 0.3s ease;
}

.flow-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(37, 99, 235, 0.15);
    border-color: #2563eb;
}

.flow-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.flow-icon svg {
    width: 28px;
    height: 28px;
}

.flow-title {
    font-size: 22px;
    font-weight: 600;
    color: #1e293b;
    line-height: 1.4;
    text-align: left;
}

.flow-arrow {
    padding: 16px 0;
    color: #2563eb;
    opacity: 0.6;
}

.flow-arrow svg {
    width: 32px;
    height: 32px;
}

.hl-blue {
    color: #2563eb;
}

.hl-green {
    color: #10b981;
}

/* ===== 关于页 - 3 大核心 ===== */
.section-cores {
    background: var(--color-bg);
}

.cores-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.core-card {
    background: #fff;
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.core-card-highlight {
    border-color: var(--color-primary);
    background: linear-gradient(180deg, #fff 0%, #f0f7ff 100%);
}

.core-tag {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: #fff;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.core-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
    line-height: 1;
}

.core-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.core-tagline {
    color: var(--color-text-light);
    font-size: 14px;
}

/* ===== 关于页 - 详解区（图文左右） ===== */
.section-detail {
    background: #fff;
    padding: var(--space-xl) 0;
}

.section-detail-alt {
    background: var(--color-bg);
}

.detail-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.section-detail-alt .detail-block {
    direction: rtl;
}

.section-detail-alt .detail-block > * {
    direction: ltr;
}

.detail-text {
    padding: 0 20px;
}

.detail-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
    line-height: 1.3;
}

.detail-lead {
    font-size: 18px;
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: 20px;
    line-height: 1.6;
    padding-left: 16px;
    border-left: 3px solid var(--color-primary);
}

.detail-desc {
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 20px;
}

.detail-desc strong {
    color: var(--color-text);
    font-weight: 600;
}

.detail-list {
    list-style: none;
    padding: 0;
    margin-bottom: 24px;
}

.detail-list li {
    padding: 8px 0 8px 28px;
    position: relative;
    color: var(--color-text);
    line-height: 1.6;
    border-bottom: 1px dashed var(--color-border);
    font-size: 15px;
}

.detail-list li:last-child {
    border-bottom: none;
}

.detail-list li::before {
    content: '▸';
    position: absolute;
    left: 8px;
    top: 8px;
    color: var(--color-primary);
    font-weight: 700;
}

.detail-list strong {
    color: var(--color-primary);
    font-weight: 600;
}

.detail-image {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4 / 3;
    background: #f1f5f9;
}

.detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s;
}

.detail-image:hover img {
    transform: scale(1.05);
}

.channel-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.channel-pill {
    background: linear-gradient(135deg, #f0f7ff 0%, #e0ecff 100%);
    color: var(--color-primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid rgba(37, 99, 235, 0.2);
    transition: var(--transition);
}

.channel-pill:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

/* ===== 关于页 - 设备区 ===== */
.section-equipment {
    background: #fff;
    padding: var(--space-xl) 0;
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.equipment-card {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    padding: 0 0 24px;
}

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

.equipment-img {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #f1f5f9;
    margin-bottom: 20px;
}

.equipment-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s;
}

.equipment-card:hover .equipment-img img {
    transform: scale(1.05);
}

.equipment-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text);
    margin: 0 24px 16px;
}

.equipment-specs {
    list-style: none;
    padding: 0 32px;
    text-align: left;
}

.equipment-specs li {
    padding: 6px 0 6px 22px;
    position: relative;
    color: var(--color-text-light);
    font-size: 14px;
    border-bottom: 1px dashed var(--color-border);
}

.equipment-specs li:last-child {
    border-bottom: none;
}

.equipment-specs li::before {
    content: '•';
    position: absolute;
    left: 8px;
    top: 4px;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 18px;
    line-height: 1;
}

.equipment-features {
    background: linear-gradient(135deg, #f0f7ff 0%, #f8fafc 100%);
    padding: 32px;
    border-radius: var(--radius-md);
    text-align: center;
}

.equipment-features h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 24px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.feature-item {
    background: #fff;
    padding: 20px 12px;
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    color: var(--color-text);
    font-size: 14px;
    font-weight: 500;
}

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

.feature-icon {
    font-size: 28px;
    line-height: 1;
}

/* ===== 营销页 - 营销闭环图 ===== */
.section-loop {
    background: #fff;
}

.loop-flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    background: linear-gradient(135deg, #f0f7ff 0%, #f8fafc 100%);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
}

.loop-step {
    flex: 1;
    min-width: 130px;
    text-align: center;
    background: #fff;
    padding: 24px 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border-top: 3px solid var(--color-primary);
}

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

.loop-icon {
    font-size: 36px;
    margin-bottom: 12px;
    line-height: 1;
    display: block;
}

.loop-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.5;
}

.loop-arrow {
    color: var(--color-primary);
    font-size: 24px;
    font-weight: 700;
    flex-shrink: 0;
}

/* ===== 营销页 - 8 大渠道卡片 ===== */
.section-channels {
    background: var(--color-bg);
}

.channels-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.channel-card {
    background: #fff;
    padding: 32px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.channel-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.channel-emoji {
    font-size: 42px;
    margin-bottom: 16px;
    line-height: 1;
    display: block;
}

.channel-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.channel-card p {
    color: var(--color-text-light);
    font-size: 13px;
}

/* ===== 营销页 - 4 大核心渠道详解 ===== */
.section-channel-details {
    background: #fff;
}

.channel-detail {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--space-md);
    align-items: center;
    padding: 32px;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    transition: var(--transition);
}

.channel-detail:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.channel-detail-reverse {
    background: linear-gradient(135deg, #f0f7ff 0%, #f8fafc 100%);
}

.channel-detail-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
    color: #fff;
    line-height: 1;
}

.channel-detail-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.channel-detail-lead {
    font-size: 16px;
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: 16px;
}

.channel-detail-content ul {
    list-style: none;
    padding: 0;
}

.channel-detail-content ul li {
    padding: 6px 0 6px 24px;
    position: relative;
    color: var(--color-text);
    font-size: 15px;
    line-height: 1.6;
    border-bottom: 1px dashed var(--color-border);
}

.channel-detail-content ul li:last-child {
    border-bottom: none;
}

.channel-detail-content ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 6px;
    color: var(--color-secondary);
    font-weight: 700;
}

.channel-detail-content ul li strong {
    color: var(--color-accent);
    font-weight: 700;
}

/* ===== 营销页 - 引流路径 ===== */
.section-path {
    background: var(--color-bg);
}

.path-flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.path-step {
    flex: 1;
    min-width: 180px;
    text-align: center;
    background: #fff;
    padding: 32px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
}

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

.path-num {
    width: 50px;
    height: 50px;
    margin: 0 auto 16px;
    background: var(--color-secondary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.path-step h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.path-step p {
    color: var(--color-text-light);
    font-size: 13px;
}

.path-arrow {
    color: var(--color-secondary);
    font-size: 24px;
    font-weight: 700;
    flex-shrink: 0;
}

/* ===== 案例页 - 行业筛选 ===== */
.section-filter {
    background: #fff;
    padding: 40px 0 0;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-tab {
    background: var(--color-bg);
    color: var(--color-text);
    padding: 10px 24px;
    border-radius: 24px;
    font-size: 15px;
    font-weight: 500;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.filter-tab:hover {
    background: #e0ecff;
    color: var(--color-primary);
}

.filter-tab.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

/* ===== 案例页 - 案例网格 ===== */
.section-cases {
    background: #fff;
    padding-top: 40px;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.case-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 1px 2px rgba(15, 23, 42, 0.06);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 1px solid #e2e8f0;
    position: relative;
}

.case-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8), transparent);
    pointer-events: none;
    opacity: 0.5;
}

.case-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 60px rgba(15, 23, 42, 0.20), 0 8px 20px rgba(15, 23, 42, 0.12);
    border-color: #cbd5e1;
}

.case-image {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: #f1f5f9;
    position: relative;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: transform 0.5s;
}

.case-card:hover .case-image img {
    transform: scale(1.05);
}

.case-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(37, 99, 235, 0.9);
    color: #fff;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    backdrop-filter: blur(4px);
}

.case-info {
    padding: 20px 24px;
}

.case-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.case-industry {
    font-size: 13px;
    color: var(--color-text-light);
}

/* ===== 案例页 - 弹窗 ===== */
.case-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.case-modal.active {
    display: flex;
}

.case-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.case-modal-content {
    position: relative;
    background: #fff;
    border-radius: var(--radius-md);
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.case-modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    font-size: 24px;
    color: var(--color-text);
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    font-weight: 300;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.case-modal-close:hover {
    background: var(--color-primary);
    color: #fff;
    transform: rotate(90deg);
}

.case-modal-image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #000;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.case-modal-image iframe {
    width: 100%;
    height: 100%;
    display: block;
    border: none;
}

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

.case-modal-body h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 20px;
}

.case-modal-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* ===== 价格页 - 推广期 3 档 ===== */
.section-pricing {
    background: #fff;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    align-items: stretch;
}

.pricing-card {
    background: #fff;
    padding: 40px 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    position: relative;
    border: 2px solid var(--color-border);
    display: flex;
    flex-direction: column;
}

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

.pricing-card-highlight {
    border-color: var(--color-primary);
    background: linear-gradient(180deg, #fff 0%, #f0f7ff 100%);
    transform: scale(1.05);
    z-index: 2;
}

.pricing-card-highlight:hover {
    transform: translateY(-6px) scale(1.05);
}

.pricing-tag {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-text-light);
    color: #fff;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
}

.pricing-tag-recommend {
    background: linear-gradient(135deg, var(--color-accent), #f97316);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

.pricing-name {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-text);
    margin: 16px 0 8px;
}

.pricing-desc {
    color: var(--color-primary);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.pricing-unit {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-text-light);
}

.pricing-intro {
    color: var(--color-text);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
    padding: 12px;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
}

.pricing-suitable {
    color: var(--color-text-light);
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 16px;
    font-style: italic;
    padding: 8px 12px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-sm);
}

.pricing-features {
    margin-bottom: 20px;
    text-align: left;
}

.pricing-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--color-text);
    padding: 6px 0;
}

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

.pricing-card .btn {
    margin-top: auto;
}

/* ===== 价格页 - 推广期福利 ===== */
.section-benefits {
    background: var(--color-bg);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.benefit-card {
    background: #fff;
    padding: 32px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
}

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

.benefit-icon {
    font-size: 40px;
    margin-bottom: 16px;
    line-height: 1;
    display: block;
}

.benefit-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.benefit-card p {
    color: var(--color-text-light);
    font-size: 13px;
}

/* ===== 价格页 - 适用行业 ===== */
.section-industries {
    background: #fff;
}

.industries-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    max-width: 900px;
    margin: 0 auto;
}

.industry-pill {
    background: linear-gradient(135deg, #f0f7ff 0%, #e0ecff 100%);
    color: var(--color-text);
    padding: 12px 24px;
    border-radius: 24px;
    font-size: 15px;
    font-weight: 500;
    border: 1px solid rgba(37, 99, 235, 0.2);
    transition: var(--transition);
    cursor: default;
}

.industry-pill:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

/* ===== 联系页 - 表单 + 联系方式 ===== */
.section-contact {
    background: var(--color-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-md);
    align-items: start;
}

.contact-form-wrap,
.contact-info-wrap {
    background: #fff;
    padding: 36px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.form-title,
.info-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.form-desc {
    color: var(--color-text-light);
    font-size: 14px;
    margin-bottom: 24px;
    line-height: 1.6;
}

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

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.required {
    color: #ef4444;
    margin-left: 2px;
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    color: var(--color-text);
    background: #fff;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-family: inherit;
    line-height: 1.5;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

.hp-input {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.form-result {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    display: none;
    line-height: 1.5;
}

.form-result.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
    display: block;
}

.form-result.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
    display: block;
}

.form-tip {
    color: var(--color-text-light);
    font-size: 12px;
    margin-top: 8px;
    text-align: center;
}

/* ===== 联系页 - 联系方式项 ===== */
.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
}

.contact-item:last-of-type {
    border-bottom: none;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #f0f7ff 0%, #e0ecff 100%);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
    line-height: 1;
}

.contact-text {
    flex: 1;
    min-width: 0;
}

.contact-label {
    font-size: 12px;
    color: var(--color-text-light);
    margin-bottom: 2px;
}

.contact-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
    word-break: break-all;
}

a.contact-value:hover {
    color: var(--color-primary);
}

.wechat-qrcode {
    margin-top: 24px;
    text-align: center;
    padding: 20px;
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

.wechat-qrcode h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 12px;
}

.qrcode-wrap {
    width: 180px;
    height: 180px;
    margin: 0 auto 12px;
    background: #fff;
    border-radius: var(--radius-sm);
    padding: 8px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.qrcode-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.qrcode-tip {
    color: var(--color-text-light);
    font-size: 12px;
    margin-top: 8px;
}

/* ===== 强 CTA 变体（深色背景） ===== */
.section-cta-strong {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #3b82f6 100%);
    position: relative;
    overflow: hidden;
}

.section-cta-strong::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(245, 158, 11, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.cta-box-strong {
    position: relative;
    z-index: 1;
}

/* ===== 案例区域（来自hf.qjmap.com） ===== */
.cases {
    padding: 80px 0;
    background: #f8fafc;
}

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

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(37, 99, 235, 0.1);
    color: #2563eb;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 12px;
}

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

.case-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.case-vr {
    position: relative;
    height: 180px;
    background: #000;
    overflow: hidden;
}

.case-vr iframe {
    width: 100%;
    height: 100%;
    border: none;
}



.case-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: #10b981;
    color: #fff;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.case-body {
    padding: 20px;
}

.case-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 4px;
}

.case-location {
    font-size: 13px;
    color: #64748b;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.case-desc {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
}

.cases-more {
    text-align: center;
    margin-top: 32px;
}