/* ============================================================
   Taskopia-inspired SaaS Landing Page
   风格：浅灰白底、大圆角、柔和阴影、Bento Grid、产品 UI 展示
   主品牌色：暖橘红 #e85d3b
   辅助色：靛蓝 #4f46e5、紫罗兰 #7c3aed
   ============================================================ */

:root {
    --accent: #e85d3b;
    --accent-hover: #d04a2a;
    --accent-soft: rgba(232, 93, 59, 0.08);
    --accent-glow: rgba(232, 93, 59, 0.18);
    --indigo: #4f46e5;
    --violet: #7c3aed;
    --bg: #f8f9fa;
    --bg-soft: #f3f4f6;
    --surface: #ffffff;
    --text: #111827;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    --border: rgba(0,0,0,0.06);
    --border-strong: rgba(0,0,0,0.10);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.03), 0 1px 3px rgba(0,0,0,0.02);
    --shadow: 0 4px 20px rgba(0,0,0,0.05), 0 1px 3px rgba(0,0,0,0.03);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
    --shadow-xl: 0 24px 70px rgba(0,0,0,0.11), 0 8px 24px rgba(0,0,0,0.05);
    --content: 1120px;
    --radius-sm: 12px;
    --radius: 20px;
    --radius-lg: 28px;
    --radius-xl: 36px;
}

/* PC 端 110% 缩放，保持清晰且不过大 */
@media (min-width: 1024px) {
    html { zoom: 1.10; }
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ============================================================
   背景装饰
   ============================================================ */
.bg-mesh {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 80% 0%, rgba(232,93,59,0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 20% 30%, rgba(79,70,229,0.04) 0%, transparent 45%),
        radial-gradient(ellipse at 60% 80%, rgba(124,58,237,0.04) 0%, transparent 45%);
}

.bg-grid {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(0,0,0,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

/* ============================================================
   通用容器与排版
   ============================================================ */
.container {
    max-width: var(--content);
    margin: 0 auto;
    padding: 0 24px;
}

/* PC 端：所有容器去掉左右内边距 */
@media (min-width: 769px) {
    .container {
        padding: 0;
    }
}

.section {
    position: relative;
    padding: 100px 0;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-label::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    line-height: 1.15;
    color: var(--text);
    margin-bottom: 16px;
    letter-spacing: -0.03em;
}

.section-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 620px;
}

@media (max-width: 768px) {
    .section { padding: 72px 0; }
    .section-title { font-size: 30px; }
    .section-subtitle { font-size: 15px; }
}

/* ============================================================
   按钮
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
    padding: 12px 28px;
    border-radius: 100px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #f0735a 100%);
    color: #fff;
    box-shadow: 0 4px 20px rgba(232,93,59,0.25);
}

.btn-primary::after {
    background: radial-gradient(circle at center, rgba(255,255,255,0.3) 0%, transparent 70%);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 36px rgba(232,93,59,0.42), 0 0 60px rgba(232,93,59,0.12);
}

.btn-primary:hover::after {
    opacity: 1;
}

.btn-secondary {
    background: rgba(255,255,255,0.70);
    backdrop-filter: blur(14px) saturate(180%);
    -webkit-backdrop-filter: blur(14px) saturate(180%);
    color: var(--text);
    border: 1px solid rgba(0,0,0,0.08);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.btn-secondary::after {
    background: radial-gradient(circle at center, var(--accent-glow) 0%, transparent 70%);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(232,93,59,0.15), 0 0 40px rgba(232,93,59,0.06);
}

.btn-secondary:hover::after {
    opacity: 1;
}

.btn-dark {
    background: var(--text);
    color: #fff;
    box-shadow: var(--shadow);
}

.btn-dark::after {
    background: radial-gradient(circle at center, rgba(255,255,255,0.15) 0%, transparent 70%);
}

.btn-dark:hover {
    background: #000;
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.2), 0 0 50px rgba(0,0,0,0.06);
}

.btn-dark:hover::after {
    opacity: 1;
}

/* ============================================================
   导航栏（悬浮胶囊 → 滚动贴顶）
   ============================================================ */
.nav {
    position: fixed;
    top: 18px;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 20px;
    transition: top 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav.scrolled {
    top: 0;
    padding: 0;
}

.nav-inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    max-width: calc(var(--content) + 48px);
    margin: 0 auto;
    background: rgba(255,255,255,0.72);
    backdrop-filter: blur(28px) saturate(200%);
    -webkit-backdrop-filter: blur(28px) saturate(200%);
    border: 1px solid rgba(255,255,255,0.85);
    border-radius: 100px;
    padding: 10px 12px 10px 22px;
    box-shadow: 0 8px 32px rgba(15,23,42,0.08), inset 0 1px 0 rgba(255,255,255,0.6);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav.scrolled .nav-inner {
    max-width: 100%;
    border-radius: 0;
    background: rgba(255,255,255,0.86);
    backdrop-filter: blur(28px) saturate(200%);
    -webkit-backdrop-filter: blur(28px) saturate(200%);
    border: none;
    border-bottom: 1px solid rgba(15,23,42,0.06);
    box-shadow: 0 4px 20px rgba(15,23,42,0.06);
    padding: 12px 5vw;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    font-weight: 800;
    font-size: 20px;
    flex-shrink: 0;
}

.nav-logo img { height: 30px; width: auto; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin-left: auto;
}

.nav-links > li > a,
.nav-menu-trigger {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    padding: 9px 16px;
    border-radius: 50px;
    transition: all 0.25s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.nav-links > li > a:hover,
.nav-menu-trigger:hover {
    color: var(--text);
    background: rgba(0,0,0,0.03);
}

/* ===== 产品下拉菜单（Aceternity Navbar Menu 风格） ===== */
.nav-item-has-menu {
    position: relative;
}

.nav-menu-trigger .chev {
    width: 12px;
    height: 12px;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-item-has-menu:hover .nav-menu-trigger .chev {
    transform: rotate(180deg);
}

.nav-dropdown {
    position: fixed; /* 脱离 .nav-inner 的 backdrop-root，毛玻璃直接模糊页面 */
    top: 0;
    left: 0;
    z-index: 200;
    padding-top: 14px; /* 桥接悬停空隙，避免移入时关闭 */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(10px) scale(0.85);
    transform-origin: top center;
    transition: opacity 0.3s ease,
                transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                visibility 0.3s;
}

.nav-dropdown.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.nav-dropdown-inner {
    display: block;
    padding: 10px;
    position: relative;
    background: rgba(255,255,255,0.72);
    backdrop-filter: blur(28px) saturate(200%);
    -webkit-backdrop-filter: blur(28px) saturate(200%);
    border: 1px solid rgba(255,255,255,0.85);
    border-radius: 18px;
    box-shadow: 0 8px 32px rgba(15,23,42,0.08), inset 0 1px 0 rgba(255,255,255,0.6);
    overflow: hidden;
}

/* 单列大类列表；有子分类的大类在其下方向下展开 */
.nav-drop-cats {
    display: flex;
    flex-direction: column;
    gap: 2px;
    width: 240px;
    flex-shrink: 0;
    padding: 0;
    background: transparent;
}

.nav-cat-wrap {
    display: flex;
    flex-direction: column;
}

.nav-cat {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 11px 12px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-secondary);
    background: transparent;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.nav-cat:hover {
    background: rgba(255,255,255,0.85);
    color: var(--text);
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.06);
}

.nav-cat.active {
    background: rgba(255,255,255,0.92);
    color: var(--accent);
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.07);
}

.nav-cat.has-children::after {
    content: "";
    width: 7px;
    height: 7px;
    margin-left: auto;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    opacity: 0.4;
    transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav-cat.active.has-children::after {
    transform: rotate(-135deg);
    opacity: 0.7;
}

.nav-drop-ic {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(232, 93, 59, 0.18), rgba(124, 58, 237, 0.18));
    color: var(--accent);
}

.nav-drop-ic svg { width: 19px; height: 19px; }

.nav-drop-title {
    font-weight: 700;
    font-size: 13.5px;
    color: var(--text);
    line-height: 1.3;
    letter-spacing: 0.01em;
}

/* 旧右侧 flyout 已废弃，隐藏占位 */
.nav-drop-flyout { display: none !important; }

.nav-cat-panel {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 4px 6px 8px 12px;
    animation: navPanelIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-cat-panel.active { display: flex; }

@keyframes navPanelIn {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.nav-cat-sub {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 13px;
    text-decoration: none;
    transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.nav-cat-sub::before {
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
    transition: background 0.18s ease;
}

.nav-cat-sub:hover {
    background: rgba(79, 70, 229, 0.10);
    color: var(--indigo);
    transform: translateX(3px);
}

.nav-cat-sub:hover::before { background: var(--indigo); }

.nav-cta {
    background: var(--accent) !important;
    color: #fff !important;
    padding: 9px 20px !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 16px var(--accent-glow);
}

.nav-cta:hover {
    background: var(--accent-hover) !important;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-soft);
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.nav-toggle span {
    width: 18px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s;
}

    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        z-index: 10;
        top: calc(100% + 12px);
        left: 20px;
        right: 20px;
        background: rgba(255,255,255,0.86);
        backdrop-filter: blur(28px) saturate(200%);
        -webkit-backdrop-filter: blur(28px) saturate(200%);
        border: 1px solid rgba(255,255,255,0.85);
        border-radius: 24px;
        padding: 18px;
        gap: 6px;
        box-shadow: var(--shadow-xl), inset 0 1px 0 rgba(255,255,255,0.6);
        animation: navDropIn 0.35s cubic-bezier(0.16,1,0.3,1);
    }

.nav-links.open a { width: 100%; text-align: center; padding: 12px; }
.nav-links.open .nav-cta { margin-top: 8px; }

@keyframes navDropIn {
    from { opacity: 0; transform: translateY(-10px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (max-width: 768px) {
    .nav { top: 12px; padding: 0 12px; }
    .nav.scrolled { padding: 0; }
    .nav-links { display: none; }
    .nav-toggle { display: flex; }
    .nav-inner { padding: 8px 10px 8px 18px; }
    .nav.scrolled .nav-inner { padding: 10px 4vw; }

    /* 移动端：产品下拉紧贴在导航面板下方展开 */
    .nav-item-has-menu { position: static; width: 100%; }
    .nav-menu-trigger { width: 100%; justify-content: center; }
    .nav-dropdown {
        position: fixed;  /* JS 动态计算 left/top/width */
        max-height: 0;
        overflow: hidden;
        padding-top: 0;
        margin-top: 0;
        transform: none;
        opacity: 1;
        visibility: visible;
        pointer-events: none;
        z-index: 200;
        transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .nav-dropdown.is-open {
        max-height: 80vh;
        overflow-y: auto;
        pointer-events: auto;
    }
    .nav-dropdown-inner {
        display: block;
        padding: 10px;
        background: rgba(255,255,255,0.78);
        backdrop-filter: blur(28px) saturate(200%);
        -webkit-backdrop-filter: blur(28px) saturate(200%);
        border: 1px solid rgba(255,255,255,0.85);
        box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
        border-radius: 16px;
        transform: none;
    }
    .nav-drop-cats {
        flex-direction: column;
        width: 100%;
        border-right: none;
        background: transparent;
    }
    .nav-cat { width: 100%; }
    .nav-cat-panel {
        padding: 4px 6px 8px 12px;
    }
}

/* ============================================================
   Hero 首屏
   ============================================================ */
.hero {
    position: relative;
    padding: 140px 0 80px;
    overflow: hidden;
}

.splash-cursor {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    touch-action: none;
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 64px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 8px 18px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 28px;
    box-shadow: var(--shadow-sm);
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%,100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-title .accent { color: var(--accent); }

.hero-desc {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 36px;
    max-width: 520px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-stats {
    display: flex;
    gap: 32px;
    margin-top: 44px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-stat strong {
    display: block;
    font-size: 26px;
    font-weight: 800;
    color: var(--text);
    line-height: 1;
}

.hero-stat span {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

/* Hero 右侧仪表盘组合 */
.hero-visual {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInUp 0.8s ease-out 0.25s both;
}

.dashboard-stack {
    position: relative;
    width: 100%;
    max-width: 560px;
    height: 460px;
}

.dash-card {
    position: absolute;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.16,1,0.3,1);
}

.dash-card:hover { transform: translateY(-6px) scale(1.01); }

.dash-main {
    top: 0; left: 0;
    width: 360px;
    height: 280px;
    padding: 24px;
    z-index: 3;
}

.dash-side {
    top: 24px; right: 0;
    width: 180px;
    height: 220px;
    padding: 20px;
    z-index: 2;
}

.dash-bottom {
    bottom: 0; right: 0;
    width: 320px;
    height: 170px;
    padding: 20px;
    z-index: 4;
}

.dash-float {
    bottom: 120px; left: 20px;
    width: 160px;
    height: 110px;
    padding: 16px;
    z-index: 5;
    background: linear-gradient(135deg, #fff 0%, #fff8f6 100%);
}

.dash-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.dash-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
}

.dash-tag {
    font-size: 10px;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 4px 8px;
    border-radius: 50px;
}

.dash-chart {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    height: 120px;
    padding-top: 20px;
}

.dash-bar {
    flex: 1;
    border-radius: 6px 6px 0 0;
    background: linear-gradient(180deg, var(--accent) 0%, rgba(232,93,59,0.2) 100%);
    opacity: 0.85;
    animation: barGrow 1.2s ease-out both;
}

.dash-bar:nth-child(2) { height: 75%; animation-delay: 0.1s; }
.dash-bar:nth-child(3) { height: 55%; animation-delay: 0.2s; }
.dash-bar:nth-child(4) { height: 90%; animation-delay: 0.3s; }
.dash-bar:nth-child(5) { height: 65%; animation-delay: 0.4s; }
.dash-bar:nth-child(6) { height: 100%; animation-delay: 0.5s; }

@keyframes barGrow {
    from { height: 0; opacity: 0; }
    to { opacity: 0.85; }
}

.dash-lines {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.dash-line {
    height: 8px;
    border-radius: 4px;
    background: var(--bg-soft);
}

.dash-line.active { background: linear-gradient(90deg, var(--indigo), var(--violet)); }

.dash-avatars {
    display: flex;
    align-items: center;
    margin-top: 12px;
}

.dash-avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--indigo), var(--violet));
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #fff;
    margin-left: -8px;
}

.dash-avatar:first-child { margin-left: 0; }

.dash-progress {
    margin-top: 14px;
}

.dash-progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.dash-progress-bar {
    height: 6px;
    border-radius: 3px;
    background: var(--bg-soft);
    overflow: hidden;
}

.dash-progress-fill {
    height: 100%;
    width: 78%;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--accent), #ff8a65);
}

.dash-metric-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
    line-height: 1;
}

.dash-metric-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.dash-trend {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 600;
    color: #10b981;
    margin-top: 8px;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1023px) {
    .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 48px; }
    .hero-desc { margin: 0 auto 36px; }
    .hero-actions { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { min-height: 420px; }
    .dashboard-stack { transform: scale(0.85); }
}

@media (max-width: 600px) {
    .hero-title { font-size: 36px; }
    .dashboard-stack { transform: scale(0.65); }
}

/* ============================================================
   卡片组件
   ============================================================ */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(232,93,59,0.12);
}

.card-icon {
    width: 48px; height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 22px;
    margin-bottom: 20px;
    transition: all 0.3s;
}

.card:hover .card-icon {
    background: var(--accent);
    color: #fff;
    transform: scale(1.05);
}

.card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
}

.card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ============================================================
   核心优势 Bento Grid（Aceternity 风格）
   ============================================================ */
.advantages-section { position: relative; overflow: hidden; }

/* 摆脱 container 1120px 限制，扩展到整屏 95% 宽，标题居中 */
.advantages-container { max-width: 95%; }
.advantages-header { text-align: center; }
.advantages-header .section-subtitle { margin: 0 auto; }

.advantages-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(620px circle at 12% 18%, rgba(232,93,59,0.05), transparent 42%),
        radial-gradient(720px circle at 88% 60%, rgba(79,70,229,0.05), transparent 46%);
}

.bento-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-top: 52px;
}

.bento-item-wide { grid-column: span 2; }
.bento-item-tall { grid-row: span 2; }

/* ===== 五大核心优势：横向自动轮播 ===== */
.adv-carousel {
    position: relative;
    z-index: 1;
    width: 100%;
    margin-top: 52px;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 4%, #000 96%, transparent 100%);
    mask-image: linear-gradient(90deg, transparent 0, #000 4%, #000 96%, transparent 100%);
}
.adv-carousel-track {
    display: flex;
    gap: 0;
    width: max-content;
    padding: 10px 2px;
    animation: advCarousel 40s linear infinite;
}
.adv-carousel:hover .adv-carousel-track { animation-play-state: paused; }
.adv-carousel .adv-card {
    flex: 0 0 clamp(296px, 21vw, 360px);
    width: clamp(296px, 21vw, 360px);
    margin-right: 22px;
}
.adv-carousel .adv-illustration { width: 74%; }
.adv-carousel .adv-visual-inner.wide .adv-illustration { width: 92%; }
.adv-carousel .adv-visual { margin-top: auto; }
@keyframes advCarousel {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

@media (max-width: 900px) {
    .bento-grid { grid-template-columns: repeat(2, 1fr); }
    .bento-item-wide { grid-column: span 2; }
}

@media (max-width: 600px) {
    .bento-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .bento-item-wide { grid-column: span 1; }
}

/* 卡片本体（含 spotlight 鼠标跟随光晕） */
.adv-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.45s cubic-bezier(0.16,1,0.3,1), box-shadow 0.45s, border-color 0.45s;
}

.adv-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(380px circle at var(--mouse-x, 50%) var(--mouse-y, 0%), rgba(232,93,59,0.10), transparent 42%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    z-index: 0;
}

.adv-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(232,93,59,0.16);
}

.adv-card:hover::before { opacity: 1; }
.adv-card > * { position: relative; z-index: 1; }

.adv-icon {
    width: 46px; height: 46px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent-soft), rgba(79,70,229,0.06));
    color: var(--accent);
    font-size: 21px;
    margin-bottom: 18px;
    transition: transform 0.4s cubic-bezier(0.16,1,0.3,1);
}
.adv-card:hover .adv-icon { transform: scale(1.07) rotate(-3deg); }

.adv-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}
.adv-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.65;
}

.adv-card-wide .adv-lead {
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 14px;
    color: var(--text-secondary);
}

.adv-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.adv-list li {
    position: relative;
    padding-left: 18px;
    font-size: 13.5px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.adv-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.adv-list li strong {
    color: var(--text);
    font-weight: 600;
}

/* 插画专属视觉区：让插画像呼吸一样融入卡片，留足呼吸空间 */
.adv-visual {
    margin-top: auto;
    padding-top: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.adv-visual-inner {
    position: relative;
    width: 100%;
    border-radius: 20px;
    padding: 26px;
    background:
        radial-gradient(120% 130% at 50% 0%, rgba(232,93,59,0.06), transparent 62%),
        linear-gradient(180deg, rgba(248,249,250,0.8), rgba(243,244,246,0.4));
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}
.adv-visual-inner.wide { aspect-ratio: 16 / 10; }

.adv-illustration {
    width: 58%;
    height: auto;
    animation: advBreathe 8s ease-in-out infinite;
}
.adv-card-wide .adv-illustration { width: 66%; }

@keyframes advBreathe {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-6px) scale(1.015); }
}

.adv-card-wide {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
    gap: 8px;
    padding: 30px 34px 34px 34px;
}
.adv-card-wide .adv-text {
    align-self: start;
    padding-right: 14px;
}
.adv-card-wide .adv-visual {
    align-self: end;
    margin-top: 0;
    padding-top: 0;
}
.adv-card-wide .adv-icon { margin-bottom: 16px; }
.adv-card-wide .adv-illustration { width: 92%; max-height: none; }
.adv-card-wide .adv-visual-inner.wide {
    aspect-ratio: auto;
    height: auto;
    min-height: 200px;
}

@media (max-width: 760px) {
    .adv-card-wide { grid-template-columns: 1fr; }
    .adv-card-wide .adv-visual {
        align-self: stretch;
        margin-top: 18px;
    }
}

/* ============================================================
   信创生态（Aceternity 风格重设计）
   ============================================================ */
.xinchuang-section {
    position: relative;
    background:
        radial-gradient(700px circle at 82% -8%, rgba(232,93,59,0.06), transparent 45%),
        radial-gradient(620px circle at 2% 102%, rgba(79,70,229,0.05), transparent 45%);
}
.xc-header { text-align: center; margin-bottom: 8px; }

.xc-hero {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 40px;
    align-items: center;
    margin-top: 44px;
    background: linear-gradient(135deg, #ffffff 0%, #fffaf8 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}
.xc-tag {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 12px; font-weight: 700; color: var(--accent);
    background: var(--accent-soft); padding: 7px 14px; border-radius: 50px;
    margin-bottom: 18px;
}
.xc-hero-title {
    font-size: 32px; font-weight: 800; line-height: 1.2;
    margin-bottom: 16px; letter-spacing: -0.02em;
}
.xc-hero-desc {
    font-size: 15px; color: var(--text-secondary); line-height: 1.8;
    margin-bottom: 24px; max-width: 520px;
}
.xc-hero-pills { display: flex; flex-wrap: wrap; gap: 10px; }
.xc-hero-pills span {
    font-size: 13px; font-weight: 600; color: var(--text-secondary);
    background: #fff; border: 1px solid var(--border); border-radius: 50px;
    padding: 8px 16px; transition: all 0.3s;
}
.xc-hero-pills span:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.xc-hero-media { display: flex; justify-content: center; }
.xc-cert-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 22px 55px rgba(0,0,0,0.13);
    border: 1px solid rgba(255,255,255,0.6);
    transform: rotate(-1.5deg);
    transition: transform 0.5s cubic-bezier(0.16,1,0.3,1);
    animation: certFloat 6s ease-in-out infinite;
    background: #fff;
    width: 100%; max-width: 360px;
}
.xc-cert-frame:hover { transform: rotate(0deg) scale(1.02); }
.xc-cert-frame img { width: 100%; display: block; }
@keyframes certFloat {
    0%, 100% { transform: rotate(-1.5deg) translateY(0); }
    50% { transform: rotate(-1.5deg) translateY(-10px); }
}

.xc-adapt { margin-top: 64px; text-align: center; }
.xc-subtitle { font-size: 24px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 8px; }
.xc-subtitle.left { text-align: left; }
.xc-subdesc { font-size: 14px; color: var(--text-secondary); max-width: 540px; margin: 0 auto 36px; }

.xc-bento { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.xc-bento-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: left;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.16,1,0.3,1), box-shadow 0.4s, border-color 0.4s;
}
.xc-bento-card::before {
    content: ''; position: absolute; inset: 0; border-radius: inherit;
    background: radial-gradient(300px circle at var(--mouse-x, 50%) var(--mouse-y, 0%), rgba(232,93,59,0.10), transparent 45%);
    opacity: 0; transition: opacity 0.45s; pointer-events: none;
}
.xc-bento-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); border-color: rgba(232,93,59,0.16); }
.xc-bento-card:hover::before { opacity: 1; }
.xc-bento-card > * { position: relative; z-index: 1; }

.xc-bento-icon {
    width: 50px; height: 50px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent-soft); margin-bottom: 16px;
}
.xc-bento-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.xc-bento-card .xc-bento-sub { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }

@media (max-width: 900px) {
    .xc-hero { grid-template-columns: 1fr; padding: 36px; }
    .xc-bento { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
    .xc-bento { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .xc-bento-card { padding: 20px 16px; }
    .xc-bento-icon { width: 36px; height: 36px; }
    .xc-bento-card h4 { font-size: 14px; }
    .xc-bento-card .xc-bento-sub { font-size: 12px; }
}

/* ============================================================
   产品区域
   ============================================================ */
.products-header { text-align: center; margin-bottom: 48px; }
.products-header .section-subtitle { margin: 0 auto; }

.product-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.product-tab {
    padding: 12px 24px;
    border-radius: 100px;
    border: 1px solid var(--border-strong);
    background: #fff;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.product-tab:hover { border-color: var(--accent); color: var(--accent); }

.product-tab.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 8px 24px var(--accent-glow);
}

.product-panel {
    display: none;
    animation: fadeInUp 0.5s ease-out;
}

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

.product-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: var(--shadow-lg);
}

.product-visual {
    background: linear-gradient(135deg, #f8f9fa 0%, #f3f4ff 100%);
    border-radius: var(--radius-lg);
    min-height: 320px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 32px;
    position: relative;
    overflow: hidden;
}

.product-visual::before {
    content: '';
    position: absolute;
    top: -50%; right: -50%;
    width: 100%; height: 100%;
    background: radial-gradient(circle, rgba(232,93,59,0.08), transparent 70%);
}

.pv-window {
    background: #fff;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    padding: 16px;
    position: relative;
    z-index: 1;
}

.pv-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.pv-row:last-child { border-bottom: none; }

.pv-dot { width: 8px; height: 8px; border-radius: 50%; }
.pv-dot.green { background: #10b981; }
.pv-dot.orange { background: var(--accent); }
.pv-dot.blue { background: var(--indigo); }

.pv-text { font-size: 13px; color: var(--text-secondary); }
.pv-text strong { color: var(--text); }

.product-tag {
    display: inline-flex;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 6px 14px;
    border-radius: 50px;
    margin-bottom: 14px;
}

.product-info h2 {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
}

.product-info p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 28px;
}

.product-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 28px;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.product-features li::before {
    content: '';
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--accent-soft);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%23e85d3b' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

/* ---- 可点击产品条目：hover 右滑 + 主色高亮 ---- */
.product-features li.feat-item {
    cursor: pointer;
    transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1),
                color 0.25s ease;
}

.product-features li.feat-item::before {
    transition: background-color 0.25s ease, transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-features li.feat-item:hover {
    transform: translateX(8px);
    color: var(--text);
}

.product-features li.feat-item:hover::before {
    background-color: var(--accent-glow);
    transform: scale(1.12);
}

.feat-link {
    position: relative;
    color: inherit;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.25s ease;
}

/* 下划线随 hover 滑入 */
.feat-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 0;
    height: 1.5px;
    border-radius: 2px;
    background: var(--accent);
    transition: width 0.34s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-features li.feat-item:hover .feat-link,
.feat-link:hover {
    color: var(--accent);
}

.product-features li.feat-item:hover .feat-link::after {
    width: 100%;
}

/* 面板标题链接 */
.feat-title-link {
    color: inherit;
    text-decoration: none;
    transition: color 0.25s ease;
}

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

@media (max-width: 900px) {
    .product-card { grid-template-columns: 1fr; padding: 24px; gap: 28px; }
    .product-info h2 { font-size: 24px; }
    .product-info p { font-size: 14px; }
}

/* 移动端产品卡片图形区域：仪表盘堆叠布局 */
@media (max-width: 560px) {
    .product-card { padding: 20px 14px; gap: 18px; border-radius: var(--radius-lg); }

    /* 图形区改为相对定位容器，子元素绝对定位实现层次堆叠 */
    .product-visual {
        min-height: 220px;
        padding: 12px;
        border-radius: var(--radius-sm);
        position: relative;
        overflow: hidden; /* 防止内部装饰圆晕造成横向滚动 */
    }

    /* 主窗口（设备列表）— 底层大卡片 */
    .product-visual > .pv-window:first-child {
        position: relative;
        z-index: 1;
        padding: 10px 11px;
        margin-bottom: 8px;
    }

    /* 双列指标行 — 紧凑并排 */
    .product-visual > div[style*="margin-top"],
    .product-visual > div[style*="display:flex"] {
        display: flex !important;
        flex-direction: row !important;
        gap: 8px !important;
        margin-top: 6px !important;
        position: relative;
        z-index: 2;
    }

    .product-visual > div[style*="margin-top"] > .pv-window,
    .product-visual > div[style*="display:flex"] > .pv-window {
        flex: 1 !important;
        min-width: 0;
        padding: 10px 6px !important;
        text-align: center !important;
    }

    /* 指标数字缩小 */
    .product-visual > div[style*="margin-top"] > .pv-window > div[style*="font-size"],
    .product-visual > div[style*="display:flex"] > .pv-window > div[style*="font-size"]:first-child {
        font-size: 17px !important;
    }
    .product-visual > div[style*="margin-top"] > .pv-window > div[style*="font-size"]:nth-child(2),
    .product-visual > div[style*="display:flex"] > .pv-window > div[style*="font-size"]:last-child {
        font-size: 9px !important;
    }

    /* 行内文字统一缩小 */
    .pv-window { padding: 9px 10px; font-size: 11.5px; overflow: hidden; }
    .pv-row { padding: 6.5px 0; gap: 7px; }
    .pv-text { font-size: 10.5px; }
    .pv-text strong { font-size: 10.5px; }
    .pv-dot { width: 6px; height: 6px; }
}

/* ============================================================
   数据指标
   ============================================================ */
.metrics-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 56px;
    box-shadow: var(--shadow);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.metric-item { position: relative; }

.metric-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -20px; top: 10%; height: 80%;
    width: 1px;
    background: var(--border);
}

.metric-value {
    font-size: 42px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 8px;
}

.metric-value .suffix { color: var(--accent); }

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

@media (max-width: 768px) {
    .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .metrics-card { padding: 40px 24px; }
    .metric-item:not(:last-child)::after { display: none; }
    .metric-value { font-size: 32px; }
}

/* ============================================================
   客户案例
   ============================================================ */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.case-card { padding: 32px; }

.case-industry {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 6px 14px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.case-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

@media (max-width: 900px) {
    .cases-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (max-width: 480px) {
    .cases-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   客户评价
   ============================================================ */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.testimonial-card { padding: 36px; }

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.testimonial-stars svg {
    width: 16px; height: 16px;
    fill: #fbbf24;
}

.testimonial-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
}

.testimonial-name { font-size: 14px; font-weight: 700; }
.testimonial-role { font-size: 12px; color: var(--text-muted); }

@media (max-width: 900px) {
    .testimonials-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   服务节点
   ============================================================ */
.nodes-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-top: 40px;
}

.node-card {
    text-align: center;
    padding: 28px 16px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all 0.3s;
    box-shadow: var(--shadow-sm);
}

.node-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(232,93,59,0.2);
}

.node-dot {
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--accent);
    margin: 0 auto 12px;
    box-shadow: 0 0 16px var(--accent-glow);
    animation: nodePulse 3s ease-in-out infinite;
}

@keyframes nodePulse {
    0%,100% { box-shadow: 0 0 16px var(--accent-glow); }
    50% { box-shadow: 0 0 28px rgba(232,93,59,0.3); }
}

.node-name { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.node-role { font-size: 12px; color: var(--text-muted); }

@media (max-width: 700px) {
    .nodes-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ============================================================
   CTA 区域
   ============================================================ */
.cta-section {
    padding: 0;
    margin-bottom: 100px;
}

.cta-card {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #1e1b4b 100%);
    border-radius: var(--radius-xl);
    padding: 80px 64px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.cta-card::before {
    content: '';
    position: absolute;
    width: 600px; height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(232,93,59,0.15), transparent 70%);
    top: 50%; left: 50%;
    transform: translate(-50%,-50%);
    pointer-events: none;
}

.cta-card h2 {
    font-size: 38px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
    position: relative;
    letter-spacing: -0.02em;
}

.cta-card p {
    font-size: 16px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 36px;
    position: relative;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

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

/* CTA 卡片背景的 3D 弹球画布（Ballpit 效果） */
#ballpit-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    display: block;
    pointer-events: none; /* 不拦截按钮点击；光标跟随仍通过 document 监听生效 */
}

/* 文字与按钮始终位于画布之上 */
.cta-card h2,
.cta-card p,
.cta-actions {
    z-index: 2;
}


/* ============================================================
   信任之声（案例+评价融合）
   ============================================================ */
/* ===== 客户案例：三栏卡片 ===== */
.trust-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 52px;
}

.trust-story {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.trust-story:hover {
    box-shadow: var(--shadow-lg);
    border-color: rgba(232,93,59,0.14);
    transform: translateY(-4px);
}

.trust-story-image {
    position: relative;
    height: 180px;
    overflow: hidden;
}
.trust-story-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(232,93,59,0.24), rgba(79,70,229,0.24));
    mix-blend-mode: overlay;
}
.trust-story-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.82) contrast(1.06);
}

.trust-story-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 22px;
    background: linear-gradient(135deg, rgba(232,93,59,0.05), rgba(79,70,229,0.05));
    border-bottom: 1px solid var(--border);
}

.trust-story-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 5px 12px;
    border-radius: 100px;
}

.trust-story-corp {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-muted);
}

.trust-case {
    padding: 22px 22px 18px;
}

.trust-case h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text);
    letter-spacing: -0.01em;
}

.trust-case p {
    font-size: 13.5px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.trust-quote {
    margin-top: auto;
    padding: 18px 22px 22px;
    background: linear-gradient(135deg, #fafafa 0%, #f8f8ff 100%);
    border-top: 1px dashed var(--border);
    display: flex;
    flex-direction: column;
}

.trust-quote-mark {
    font-size: 48px;
    font-weight: 800;
    line-height: 0.55;
    color: rgba(232,93,59,0.14);
    font-family: Georgia, 'Times New Roman', serif;
    margin-bottom: 10px;
    user-select: none;
}

.trust-quote p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 18px;
    font-style: italic;
}

.trust-author {
    display: flex;
    align-items: center;
    gap: 11px;
    margin-top: auto;
}

.trust-author-avatar {
    width: 38px; height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 13px;
    flex-shrink: 0;
}

.trust-author-name {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text);
}

.trust-author-role {
    font-size: 11.5px;
    color: var(--text-muted);
}

/* ===== 覆盖 8 大行业：图标卡片网格 ===== */
.trust-industries {
    margin-top: 56px;
}
.trust-industries-head {
    text-align: center;
    margin-bottom: 28px;
}
.trust-industries-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}
.trust-industries-label::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--accent);
}
.trust-industries-title {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 8px;
}
.trust-industries-sub {
    font-size: 15px;
    color: var(--text-secondary);
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.industry-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    border-radius: var(--radius-lg);
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.industry-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: rgba(232,93,59,0.16);
}
.industry-icon {
    width: 44px; height: 44px;
    flex-shrink: 0;
    border-radius: 13px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-soft), rgba(79,70,229,0.07));
    color: var(--accent);
}
.industry-icon svg { width: 23px; height: 23px; }
.industry-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.01em;
}

@media (max-width: 900px) {
    .trust-list { grid-template-columns: 1fr; gap: 16px; }
    .industry-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
    .industry-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   滚动渐入动画
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }