/* === CSS Variables（按 规范.MD） === */
:root {
    /* 品牌色 */
    --brand: #229AF4;
    /* 按钮渐变色 */
    --btn-start: #898EFF;
    --btn-end: #5E7DF9;
    /* 文字色 */
    --title-color: #233863;
    --subtitle-color: #6D7B96;
    --body-color: #4A4A4A;
    /* 背景色 */
    --bg-white: #ffffff;
    --bg-alt: #F5F7FA;

    /* 渐变 */
    --gradient-btn: linear-gradient(135deg, #898EFF 0%, #5E7DF9 100%);
    --gradient-primary: linear-gradient(135deg, #898EFF 0%, #5E7DF9 50%, #229AF4 100%);
    --gradient-purple: linear-gradient(135deg, #898EFF 0%, #7B6CF6 100%);
    --gradient-orange: linear-gradient(135deg, #ff8c3a 0%, #ffaa5c 100%);
    --gradient-mesh: radial-gradient(at 20% 20%, rgba(137, 142, 255, 0.12) 0px, transparent 50%),
                     radial-gradient(at 80% 0%, rgba(34, 154, 244, 0.08) 0px, transparent 50%),
                     radial-gradient(at 0% 100%, rgba(94, 125, 249, 0.12) 0px, transparent 50%);

    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(35, 56, 99, 0.04), 0 1px 3px rgba(35, 56, 99, 0.06);
    --shadow-md: 0 4px 8px rgba(35, 56, 99, 0.04), 0 8px 24px rgba(35, 56, 99, 0.06);
    --shadow-lg: 0 12px 24px rgba(35, 56, 99, 0.06), 0 24px 48px rgba(35, 56, 99, 0.08);
    --shadow-xl: 0 24px 48px rgba(35, 56, 99, 0.08), 0 48px 96px rgba(35, 56, 99, 0.1);
    --shadow-glow: 0 0 40px rgba(94, 125, 249, 0.25);

    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;

    /* 字体（按 规范.MD） */
    --font-sans: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;

    /* 过渡 */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    /* 功能色 */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

.kos-page { font-family: var(--font-sans); color: var(--body-color); background: var(--bg-white); overflow-x: hidden; }
.section .container { max-width: 1260px; margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; position: relative; }
.section-header { text-align: center; max-width: 850px; margin: 0 auto 64px; }
.section-tag { display: inline-block; padding: 6px 16px; background: rgba(137, 142, 255, 0.08); color: var(--btn-end); font-size: 13px; font-weight: 600; border-radius: var(--radius-full); margin-bottom: 20px; letter-spacing: 0.5px; }
.section-title { font-size: 40px; font-weight: 600; line-height: 1.3; color: var(--title-color); margin-bottom: 20px; }
.section-desc { font-size: 20px; font-weight: 400; color: var(--subtitle-color); line-height: 1.6; }
.gradient-text { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 15px; font-weight: 600; border-radius: var(--radius-md); cursor: pointer; transition: all var(--transition-base); white-space: nowrap; position: relative; overflow: hidden; padding: 12px 24px; border: none; font-family: var(--font-sans); }
.btn-lg { height: 52px; padding: 0 32px; font-size: 16px; border-radius: var(--radius-lg); }
.btn-primary { background: var(--gradient-btn); color: white; box-shadow: 0 4px 12px rgba(94, 125, 249, 0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(94, 125, 249, 0.4); }
.btn-outline { background: white; color: var(--title-color); border: 1.5px solid #E0E4ED; }
.btn-outline:hover { border-color: var(--btn-end); color: var(--btn-end); transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* Hero */
.hero { position: relative; display: flex; align-items: flex-start; padding: 140px 0 0; overflow: visible; }
.hero-bg { position: absolute; top: 0; left: 0; right: 0; height: 1000px; z-index: -1; background: url('/images/new/kos_banner.webp') center/cover no-repeat; -webkit-mask-image: linear-gradient(to bottom, #000 60%, transparent 100%); mask-image: linear-gradient(to bottom, #000 60%, transparent 100%); }
#heroCanvas { position: absolute; top: 0; left: 0; right: 0; height: 800px; opacity: 0.45; -webkit-mask-image: linear-gradient(to bottom, #000 60%, transparent 100%); mask-image: linear-gradient(to bottom, #000 60%, transparent 100%); }
.hero-gradient { position: absolute; top: 0; left: 0; right: 0; height: 800px; pointer-events: none; }
.hero-content { position: relative; z-index: 1; text-align: center; max-width: 1260px; margin: 0 auto; padding: 0 24px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.25); border-radius: var(--radius-full); font-size: 13px; font-weight: 600; color: rgba(255, 255, 255, 0.9); margin-bottom: 28px; box-shadow: none; backdrop-filter: blur(10px); animation: fadeInDown 0.8s ease; }
.badge-dot { width: 8px; height: 8px; background: #EEDCFF; border-radius: 50%; animation: pulse 2s ease infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.2); } }
.hero-title { font-size: 56px; font-weight: 600; line-height: 1.2; color: #ffffff; margin-bottom: 28px; animation: fadeInUp 0.8s ease 0.1s both; }
.hero-title .gradient-text { background:#ffffff; -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 24px; font-weight: 400; color: rgba(255, 255, 255, 0.75); line-height: 1.6; margin-bottom: 40px; animation: fadeInUp 0.8s ease 0.2s both; }
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; animation: fadeInUp 0.8s ease 0.3s both; }
.hero-cta .btn-primary { background: #ffffff; color: var(--btn-end); font-weight: 700; box-shadow: 0 4px 20px rgba(255, 255, 255, 0.3); }
.hero-cta .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(255, 255, 255, 0.4); }
.hero-cta .btn-outline { background: rgba(255, 255, 255, 0.08); color: white; border: 1.5px solid rgba(255, 255, 255, 0.3); backdrop-filter: blur(10px); }
.hero-cta .btn-outline:hover { background: rgba(255, 255, 255, 0.15); border-color: rgba(255, 255, 255, 0.6); color: white; box-shadow: 0 4px 20px rgba(255, 255, 255, 0.1); }

/* 悬浮图标 - 基于 hero 定位，范围扩展到 1920px */
.hero-float-icons { position: absolute; top: 0; left: 50%; width: 1920px; max-width: 100vw; height: 600px; transform: translateX(-50%); pointer-events: none; z-index: 1; }
.float-icon { position: absolute; width: 64px; height: 64px; background: white; border-radius: 16px; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(94, 125, 249, 0.1); animation: floatBounce 4s ease-in-out infinite; }
.float-icon svg { width: 30px; height: 30px; }
.float-icon-1 { top: 120px; left: 60px; animation-delay: 0s; }
.float-icon-2 { top: 320px; left: 120px; animation-delay: 1s; }
.float-icon-3 { top: 140px; right: 60px; animation-delay: 0.5s; }
.float-icon-4 { top: 340px; right: 120px; animation-delay: 1.5s; }
@keyframes floatBounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

.hero-visual { width: 1100px; max-width: calc(100% - 48px); margin: 0 auto 88px; border: 8px solid #EAE7FF; border-radius: 20px; overflow: hidden; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.15), 0 10px 30px rgba(94, 125, 249, 0.12); animation: fadeInUp 0.8s ease 0.5s both; position: relative; z-index: 2; background: #ffffff; }
.hero-visual img { width: 100%; display: block; }
/* Platform Architecture Diagram */
.arch-diagram { padding: 32px 28px 24px; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }
.arch-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.arch-header-left { display: flex; align-items: center; gap: 12px; }
.arch-header-icon { width: 36px; height: 36px; background: linear-gradient(135deg, #5E7DF9, #7C3AED); border-radius: 10px; display: flex; align-items: center; justify-content: center; }
.arch-header-icon svg { width: 20px; height: 20px; }
.arch-header-text h3 { font-size: 15px; font-weight: 600; color: #1a1a2e; margin: 0; }
.arch-header-text p { font-size: 11px; color: #8b8fa8; margin: 2px 0 0; }
.arch-deploy-tags { display: flex; gap: 8px; }
.arch-deploy-tag { padding: 4px 12px; border-radius: 4px; font-size: 11px; font-weight: 500; border: 1px solid #e2e4f0; color: #5E7DF9; background: rgba(94, 125, 249, 0.04); }
.arch-body { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.arch-panel { border-radius: 14px; padding: 20px 16px; position: relative; overflow: hidden; }
.arch-panel-dam { background: linear-gradient(160deg, #eef0ff 0%, #f5f3ff 100%); border: 1px solid #ddd8ff; }
.arch-panel-cms { background: linear-gradient(160deg, #eef8ff 0%, #f0f4ff 100%); border: 1px solid #d4e4ff; }
.arch-panel-kox { background: linear-gradient(160deg, #f3eeff 0%, #f8f0ff 100%); border: 1px solid #e4d8ff; }
.arch-panel-title { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.arch-panel-title-icon { width: 24px; height: 24px; border-radius: 6px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.arch-panel-title-icon.purple { background: linear-gradient(135deg, #7C3AED, #5E7DF9); }
.arch-panel-title-icon.blue { background: linear-gradient(135deg, #5E7DF9, #3B82F6); }
.arch-panel-title-icon.indigo { background: linear-gradient(135deg, #4F46E5, #7C3AED); }
.arch-panel-title span { font-size: 13px; font-weight: 600; color: #2d2b55; }
.arch-panel-title .arch-badge { font-size: 9px; padding: 2px 6px; border-radius: 3px; background: rgba(94, 125, 249, 0.1); color: #5E7DF9; font-weight: 500; margin-left: auto; }
.arch-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.arch-tag { padding: 5px 10px; border-radius: 6px; font-size: 11px; color: #4a4870; background: rgba(255, 255, 255, 0.8); border: 1px solid rgba(94, 125, 249, 0.12); white-space: nowrap; }
.arch-panel-dam .arch-tag { background: rgba(255, 255, 255, 0.9); }
.arch-panel-cms .arch-tag, .arch-panel-kox .arch-tag { background: #fcfcfc; }
.arch-section-label { font-size: 10px; font-weight: 600; color: #7c7a9e; margin: 12px 0 8px; padding-left: 2px; letter-spacing: 0.5px; }
.arch-kox-group { margin-bottom: 10px; }
.arch-kox-group-title { font-size: 10px; font-weight: 600; color: #5E7DF9; margin-bottom: 6px; padding: 3px 8px; background: rgba(94, 125, 249, 0.06); border-radius: 4px; display: inline-block; }
.arch-footer { background: linear-gradient(135deg, #2d2b55, #3b3870); border-radius: 10px; padding: 12px 20px; display: flex; align-items: center; justify-content: center; gap: 10px; }
.arch-footer span { font-size: 12px; font-weight: 500; color: rgba(255, 255, 255, 0.9); letter-spacing: 0.5px; }
.arch-footer-icon { width: 20px; height: 20px; background: linear-gradient(135deg, #7C3AED, #5E7DF9); border-radius: 5px; display: flex; align-items: center; justify-content: center; }
.arch-footer-icon svg { width: 12px; height: 12px; }
.hero-stats { display: inline-flex; align-items: center; gap: 48px; padding: 32px 48px; background: rgba(255, 255, 255, 0.08); backdrop-filter: blur(20px); border: 1px solid rgba(255, 255, 255, 0.15); border-radius: var(--radius-xl); box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2); animation: fadeInUp 0.8s ease 0.4s both; }
.stat-item { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.stat-number { font-size: 40px; font-weight: 600; background: linear-gradient(135deg, #a5b4fc, #ffffff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; }
.stat-suffix { font-size: 24px; font-weight: 600; background: linear-gradient(135deg, #a5b4fc, #ffffff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-left: 2px; }
.stat-label { font-size: 14px; color: rgba(255, 255, 255, 0.65); font-weight: 400; margin-top: 6px; }
.stat-divider { width: 1px; height: 40px; background: rgba(255, 255, 255, 0.2); }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }

/* 产品定位 */
.section-positioning { background: var(--bg-white); }
.positioning-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.positioning-content .section-tag { margin-bottom: 16px; }
.positioning-content .section-title { text-align: left; margin-bottom: 24px; }
.positioning-content .section-desc { text-align: left; font-size: 14px; margin-bottom: 40px; }
.pain-points { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pain-point { display: flex; gap: 16px; align-items: flex-start; padding: 20px; background: var(--bg-alt); border-radius: var(--radius-lg); border: 1px solid #EEF0F6; transition: all var(--transition-base); }
.pain-point:hover { background: white; border-color: rgba(137, 142, 255, 0.3); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.pain-icon { width: 44px; height: 44px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: white; flex-shrink: 0; }
.pain-icon-1 { background: linear-gradient(135deg, #898EFF, #5E7DF9); }
.pain-icon-2 { background: linear-gradient(135deg, #a855f7, #c084fc); }
.pain-icon-3 { background: linear-gradient(135deg, #229AF4, #5CB8F7); }
.pain-icon-4 { background: linear-gradient(135deg, #ec4899, #f472b6); }
.pain-point h4 { font-size: 15px; font-weight: 600; color: var(--title-color); margin-bottom: 4px; }
.pain-point p { font-size: 13px; color: var(--subtitle-color); }

/* Orbit */
.positioning-visual { display: flex; justify-content: center; align-items: center; }
.visual-card { width: 480px; height: 480px; position: relative; display: flex; align-items: center; justify-content: center; }
.visual-orbit { position: relative; width: 100%; height: 100%; }
.orbit-center { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 2; }
.center-icon { width: 100px; height: 100px; background: var(--gradient-btn); border-radius: var(--radius-xl); display: flex; align-items: center; justify-content: center; color: white; box-shadow: var(--shadow-glow); animation: float 4s ease infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.orbit-ring { position: absolute; top: 50%; left: 50%; border: 1.5px dashed rgba(137, 142, 255, 0.3); border-radius: 50%; }
.orbit-ring-1 { width: 280px; height: 280px; transform: translate(-50%, -50%); animation: rotate 20s linear infinite; }
.orbit-ring-2 { width: 440px; height: 440px; transform: translate(-50%, -50%); animation: rotate 30s linear infinite reverse; }
@keyframes rotate { from { transform: translate(-50%, -50%) rotate(0deg); } to { transform: translate(-50%, -50%) rotate(360deg); } }
.orbit-dot { position: absolute; top: 50%; left: 50%; width: 56px; height: 56px; background: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-md); transform: translate(-50%, -50%) rotate(var(--angle)) translateY(-140px) rotate(calc(-1 * var(--angle))); font-size: 24px; }
.orbit-ring-2 .orbit-dot { transform: translate(-50%, -50%) rotate(var(--angle)) translateY(-220px) rotate(calc(-1 * var(--angle))); }

/* 核心优势 */
.section-advantages { background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-alt) 100%); position: relative; }
.section-advantages::before { content: ''; position: absolute; top: 0; right: 0; width: 500px; height: 500px; background: radial-gradient(circle, rgba(94, 125, 249, 0.06) 0%, transparent 70%); pointer-events: none; }
.advantages-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.advantage-card { padding: 36px 32px; background: white; border: 1px solid #EEF0F6; border-radius: var(--radius-xl); transition: all var(--transition-base); position: relative; overflow: hidden; }
.advantage-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gradient-btn); transform: scaleX(0); transform-origin: left; transition: transform var(--transition-base); }
.advantage-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); border-color: transparent; }
.advantage-card:hover::before { transform: scaleX(1); }
.advantage-icon { width: 64px; height: 64px; border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; color: white; margin-bottom: 24px; transition: transform var(--transition-base); }
.advantage-card:hover .advantage-icon { transform: scale(1.1) rotate(-5deg); }
.advantage-icon-1 { background: linear-gradient(135deg, #898EFF, #5E7DF9); box-shadow: 0 8px 24px rgba(94, 125, 249, 0.3); }
.advantage-icon-2 { background: linear-gradient(135deg, #a855f7, #c084fc); box-shadow: 0 8px 24px rgba(168, 85, 247, 0.3); }
.advantage-icon-3 { background: linear-gradient(135deg, #10b981, #34d399); box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3); }
.advantage-icon-4 { background: linear-gradient(135deg, #229AF4, #5CB8F7); box-shadow: 0 8px 24px rgba(34, 154, 244, 0.3); }
.advantage-icon-5 { background: linear-gradient(135deg, #ff8c3a, #ffaa5c); box-shadow: 0 8px 24px rgba(255, 140, 58, 0.3); }
.advantage-icon-6 { background: linear-gradient(135deg, #ec4899, #f472b6); box-shadow: 0 8px 24px rgba(236, 72, 153, 0.3); }
.advantage-card h3 { font-size: 20px; font-weight: 600; color: var(--title-color); margin-bottom: 12px; }
.advantage-card p { font-size: 14px; color: var(--body-color); line-height: 1.7; margin-bottom: 20px; }
.advantage-tag { display: inline-block; padding: 4px 12px; background: rgba(137, 142, 255, 0.08); color: var(--btn-end); font-size: 12px; font-weight: 600; border-radius: var(--radius-full); }

/* Features Tabs */
.section-features { background: var(--bg-white); }
.features-tabs { background: var(--bg-alt); border-radius: var(--radius-2xl); padding: 40px; border: 1px solid #EEF0F6; }
.tabs-nav { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; background: white; padding: 8px; border-radius: var(--radius-lg); margin-bottom: 32px; box-shadow: var(--shadow-sm); }
.tab-btn { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 16px; font-size: 14px; font-weight: 600; color: var(--subtitle-color); border-radius: var(--radius-md); transition: all var(--transition-fast); background: none; border: none; cursor: pointer; font-family: var(--font-sans); }
.tab-btn:hover { color: var(--btn-end); background: rgba(137, 142, 255, 0.06); }
.tab-btn.active { color: white; background: var(--gradient-btn); box-shadow: 0 4px 12px rgba(94, 125, 249, 0.3); }
.tab-panel { display: none; animation: fadeIn 0.4s ease; }
.tab-panel.active { display: block; }
.tab-panel-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: center; padding: 16px; }
.tab-panel-info h3 { font-size: 36px; font-weight: 600; color: var(--title-color); margin-bottom: 12px; }
.tab-desc { font-size: 14px; color: var(--subtitle-color); margin-bottom: 28px; line-height: 1.7; }
.feature-list { display: flex; flex-direction: column; gap: 14px; list-style: none; padding: 0; margin: 0; }
.feature-list li { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--body-color); font-weight: 400; }
.feature-check { display: flex; align-items: center; justify-content: center; width: 24px; height: 24px; background: var(--gradient-btn); color: white; border-radius: 50%; font-size: 12px; font-weight: 800; flex-shrink: 0; }

/* Mock Dashboard */
.tab-panel-visual { perspective: 1000px; }
.mock-dashboard { background: white; border-radius: var(--radius-lg); box-shadow: var(--shadow-xl); overflow: hidden; transform: rotateY(-3deg) rotateX(2deg); transition: transform var(--transition-slow); border: 1px solid #E0E4ED; }
.mock-dashboard:hover { transform: rotateY(0deg) rotateX(0deg); }
.mock-header { padding: 12px 16px; background: var(--bg-alt); display: flex; align-items: center; gap: 12px; border-bottom: 1px solid #E0E4ED; }
.mock-header span { font-size: 12px; color: var(--subtitle-color); font-weight: 500; }
.mock-dots { display: flex; gap: 6px; }
.mock-dots span { width: 10px; height: 10px; border-radius: 50%; padding: 0; }
.mock-dots span:nth-child(1) { background: #ff5f57; }
.mock-dots span:nth-child(2) { background: #ffbd2e; }
.mock-dots span:nth-child(3) { background: #28c940; }
.mock-body { display: flex; height: 320px; background: var(--bg-alt); }

/* Tab 1 - 矩阵管理 */
.mock-sidebar { width: 64px; padding: 16px 10px; background: white; border-right: 1px solid #E0E4ED; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.mock-menu-item { width: 40px; height: 40px; border-radius: 10px; background: var(--bg-alt); display: flex; align-items: center; justify-content: center; }
.mock-menu-item.active { background: var(--gradient-btn); box-shadow: 0 4px 12px rgba(94, 125, 249, 0.3); }
.mock-menu-item svg { width: 18px; height: 18px; color: #8b92a5; }
.mock-menu-item.active svg { color: white; }
.mock-content { flex: 1; padding: 20px; display: flex; flex-direction: column; gap: 16px; overflow: hidden; }
.mock-stats-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.mock-stat-card { background: white; border-radius: 10px; border: 1px solid #E0E4ED; padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.mock-stat-label { font-size: 11px; color: #8b92a5; }
.mock-stat-value { font-size: 20px; font-weight: 700; color: var(--title-color); }
.mock-stat-change { font-size: 10px; color: var(--success); font-weight: 600; }
.mock-stat-card:nth-child(1) { border-top: 3px solid #5e7df9; }
.mock-stat-card:nth-child(2) { border-top: 3px solid #f97316; }
.mock-stat-card:nth-child(3) { border-top: 3px solid #10b981; }
.mock-account-list { flex: 1; background: white; border-radius: 10px; border: 1px solid #E0E4ED; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.mock-account-header { display: flex; align-items: center; justify-content: space-between; padding-bottom: 10px; border-bottom: 1px solid #f0f2f7; }
.mock-account-title { font-size: 12px; font-weight: 600; color: var(--title-color); }
.mock-account-filter { display: flex; gap: 6px; }
.mock-account-filter span { font-size: 10px; padding: 3px 8px; border-radius: 4px; background: var(--bg-alt); color: #8b92a5; }
.mock-account-filter span:first-child { background: var(--gradient-btn); color: white; }
.mock-account-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid #f8f9fb; }
.mock-avatar { width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0; }
.mock-avatar.av1 { background: linear-gradient(135deg, #667eea, #764ba2); }
.mock-avatar.av2 { background: linear-gradient(135deg, #f093fb, #f5576c); }
.mock-avatar.av3 { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.mock-account-info { flex: 1; display: flex; flex-direction: column; gap: 3px; }
.mock-account-name { font-size: 11px; font-weight: 600; color: var(--title-color); }
.mock-account-meta { font-size: 10px; color: #8b92a5; }
.mock-platform-badge { font-size: 9px; padding: 2px 6px; border-radius: 3px; font-weight: 600; }
.mock-platform-badge.douyin { background: #1a1a2e; color: white; }
.mock-platform-badge.xhs { background: #ff2442; color: white; }
.mock-status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); flex-shrink: 0; }
.mock-status-dot.warning { background: #f59e0b; }

/* Tab 2 - 数据中心 */
.mock-body-chart { padding: 20px; flex-direction: column; gap: 14px; }
.mock-chart-header { display: flex; align-items: center; justify-content: space-between; }
.mock-chart-title { font-size: 13px; font-weight: 600; color: var(--title-color); }
.mock-chart-tabs { display: flex; gap: 4px; }
.mock-chart-tabs span { font-size: 10px; padding: 4px 10px; border-radius: 4px; background: white; color: #8b92a5; border: 1px solid #E0E4ED; }
.mock-chart-tabs span.active { background: var(--gradient-btn); color: white; border-color: transparent; }
.mock-chart-kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.mock-kpi-card { background: white; border-radius: 8px; padding: 12px; border: 1px solid #E0E4ED; }
.mock-kpi-label { font-size: 10px; color: #8b92a5; margin-bottom: 4px; }
.mock-kpi-value { font-size: 16px; font-weight: 700; color: var(--title-color); }
.mock-kpi-trend { font-size: 9px; margin-top: 2px; }
.mock-kpi-trend.up { color: var(--success); }
.mock-kpi-trend.down { color: #ef4444; }
.mock-chart-visual { flex: 1; background: white; border-radius: 10px; border: 1px solid #E0E4ED; padding: 16px; display: flex; align-items: flex-end; gap: 0; position: relative; overflow: hidden; }
.mock-chart-grid { position: absolute; inset: 16px; display: flex; flex-direction: column; justify-content: space-between; }
.mock-chart-grid-line { height: 1px; background: #f0f2f7; }
.mock-chart-bars { display: flex; align-items: flex-end; gap: 8px; flex: 1; padding: 0 8px; position: relative; z-index: 1; }
.mock-chart-bar-group { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.mock-chart-bar { width: 100%; border-radius: 4px 4px 0 0; transition: height 0.5s ease; position: relative; }
.mock-chart-bar.primary { background: var(--gradient-btn); }
.mock-chart-bar.secondary { background: rgba(94, 125, 249, 0.2); border: 1px solid rgba(94, 125, 249, 0.3); }
.mock-chart-bar-label { font-size: 9px; color: #8b92a5; }
.mock-chart-line-overlay { position: absolute; inset: 16px; z-index: 2; pointer-events: none; }
.mock-chart-line-overlay svg { width: 100%; height: 100%; }

/* Tab 3 - 内容管控 */
.mock-body-review { padding: 20px; flex-direction: column; gap: 16px; }
.mock-review-header { display: flex; align-items: center; justify-content: space-between; }
.mock-review-title { font-size: 12px; font-weight: 600; color: var(--title-color); }
.mock-review-stats { display: flex; gap: 12px; }
.mock-review-stat { font-size: 10px; color: #8b92a5; display: flex; align-items: center; gap: 4px; }
.mock-review-stat .dot { width: 6px; height: 6px; border-radius: 50%; }
.mock-review-stat .dot.green { background: var(--success); }
.mock-review-stat .dot.orange { background: #f59e0b; }
.mock-review-stat .dot.red { background: #ef4444; }
.mock-review-flow { display: flex; align-items: center; justify-content: center; padding: 12px 0; }
.mock-flow-step { width: 44px; height: 44px; background: white; border: 2px solid #D1D5E3; border-radius: 50%; display: flex; align-items: center; justify-content: center; position: relative; }
.mock-flow-step .step-label { position: absolute; bottom: -16px; font-size: 9px; color: #8b92a5; white-space: nowrap; }
.mock-flow-step.done { background: var(--success); border-color: var(--success); }
.mock-flow-step.done svg { color: white; }
.mock-flow-step.active { background: var(--gradient-btn); border-color: transparent; box-shadow: 0 0 0 4px rgba(94, 125, 249, 0.2); }
.mock-flow-step.active svg { color: white; }
.mock-flow-line { flex: 1; height: 2px; background: #E0E4ED; max-width: 50px; }
.mock-flow-line.done { background: var(--success); }
.mock-content-cards { flex: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.mock-content-card { background: white; border-radius: 8px; border: 1px solid #E0E4ED; padding: 10px; display: flex; flex-direction: column; gap: 8px; overflow: hidden; }
.mock-content-thumb { height: 60px; border-radius: 6px; background: linear-gradient(135deg, #f0f2f7, #e2e6f0); position: relative; }
.mock-content-thumb::after { content: ''; position: absolute; inset: 0; border-radius: 6px; }
.mock-content-card:nth-child(1) .mock-content-thumb { background: linear-gradient(135deg, #667eea20, #764ba220); }
.mock-content-card:nth-child(2) .mock-content-thumb { background: linear-gradient(135deg, #f093fb20, #f5576c20); }
.mock-content-card:nth-child(3) .mock-content-thumb { background: linear-gradient(135deg, #4facfe20, #00f2fe20); }
.mock-content-card-footer { display: flex; align-items: center; justify-content: space-between; }
.mock-content-card-title { font-size: 10px; color: var(--title-color); font-weight: 500; }
.mock-content-status { font-size: 9px; padding: 2px 6px; border-radius: 3px; }
.mock-content-status.approved { background: #dcfce7; color: #16a34a; }
.mock-content-status.pending { background: #fef3c7; color: #d97706; }
.mock-content-status.rejected { background: #fee2e2; color: #dc2626; }

/* Tab 4 - AIGC 创作 */
.mock-body-ai { padding: 20px; flex-direction: column; gap: 14px; }
.mock-ai-modes { display: flex; gap: 8px; flex-wrap: wrap; }
.mock-ai-mode { font-size: 10px; padding: 5px 12px; border-radius: 6px; background: white; border: 1px solid #E0E4ED; color: #8b92a5; display: flex; align-items: center; gap: 4px; }
.mock-ai-mode.active { background: var(--gradient-btn); border-color: transparent; color: white; }
.mock-ai-mode svg { width: 12px; height: 12px; }
.mock-ai-workspace { flex: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mock-ai-input { background: white; border: 2px dashed rgba(137, 142, 255, 0.3); border-radius: 10px; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.mock-ai-input-label { font-size: 10px; color: #8b92a5; font-weight: 500; }
.mock-ai-input-area { flex: 1; background: #f8f9fb; border-radius: 6px; padding: 10px; display: flex; flex-direction: column; gap: 6px; }
.mock-ai-input-line { height: 8px; border-radius: 3px; background: #e2e6f0; }
.mock-ai-input-line:nth-child(2) { width: 80%; }
.mock-ai-input-line:nth-child(3) { width: 60%; }
.mock-ai-input-btn { align-self: flex-end; padding: 6px 16px; background: var(--gradient-btn); border-radius: 6px; font-size: 10px; color: white; font-weight: 600; }
.mock-ai-output { background: linear-gradient(135deg, rgba(94, 125, 249, 0.03), rgba(34, 154, 244, 0.03)); border: 1px solid rgba(137, 142, 255, 0.15); border-radius: 10px; padding: 14px; display: flex; flex-direction: column; gap: 10px; position: relative; overflow: hidden; }
.mock-ai-output-label { font-size: 10px; color: var(--btn-end); font-weight: 600; display: flex; align-items: center; gap: 4px; }
.mock-ai-output-content { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.mock-ai-output-line { height: 8px; border-radius: 3px; background: linear-gradient(90deg, rgba(94, 125, 249, 0.15), rgba(94, 125, 249, 0.05)); }
.mock-ai-output-line:nth-child(2) { width: 90%; animation: shimmer 2s linear infinite; background: linear-gradient(90deg, transparent, rgba(94, 125, 249, 0.15), transparent); background-size: 200% 100%; }
.mock-ai-output-line:nth-child(3) { width: 75%; }
.mock-ai-output-line:nth-child(4) { width: 85%; }
.mock-ai-output-image { height: 50px; border-radius: 6px; background: linear-gradient(135deg, rgba(94, 125, 249, 0.1), rgba(168, 85, 247, 0.1)); border: 1px dashed rgba(94, 125, 249, 0.3); display: flex; align-items: center; justify-content: center; }
.mock-ai-output-image svg { width: 20px; height: 20px; color: rgba(94, 125, 249, 0.5); }
.mock-ai-sparkle { position: absolute; top: 10px; right: 10px; width: 20px; height: 20px; animation: sparkle 2s ease infinite; }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes sparkle { 0%, 100% { opacity: 0.3; transform: scale(0.8) rotate(0deg); } 50% { opacity: 1; transform: scale(1.2) rotate(180deg); } }

/* Tab 5 - 任务管理 */
.mock-body-tasks { padding: 20px; flex-direction: column; gap: 14px; }
.mock-tasks-header { display: flex; align-items: center; justify-content: space-between; }
.mock-tasks-title { font-size: 12px; font-weight: 600; color: var(--title-color); }
.mock-tasks-progress { display: flex; align-items: center; gap: 8px; }
.mock-tasks-progress-bar { width: 80px; height: 6px; background: #E0E4ED; border-radius: 3px; overflow: hidden; }
.mock-tasks-progress-fill { height: 100%; width: 65%; background: var(--gradient-btn); border-radius: 3px; }
.mock-tasks-progress-text { font-size: 10px; color: var(--btn-end); font-weight: 600; }
.mock-task-list { flex: 1; display: flex; flex-direction: column; gap: 10px; overflow: hidden; }
.mock-task { background: white; border: 1px solid #E0E4ED; border-radius: 10px; padding: 12px 14px; display: flex; align-items: center; gap: 10px; }
.mock-task-check { width: 20px; height: 20px; border: 2px solid #D1D5E3; border-radius: 5px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.mock-task.done .mock-task-check { background: var(--success); border-color: var(--success); }
.mock-task.done .mock-task-check svg { color: white; }
.mock-task-content { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.mock-task-name { font-size: 11px; font-weight: 500; color: var(--title-color); }
.mock-task.done .mock-task-name { text-decoration: line-through; color: #8b92a5; }
.mock-task-meta { display: flex; align-items: center; gap: 8px; }
.mock-task-date { font-size: 9px; color: #8b92a5; }
.mock-task-assignee { width: 18px; height: 18px; border-radius: 50%; }
.mock-task-priority { width: 6px; height: 20px; border-radius: 3px; flex-shrink: 0; }
.mock-task-priority.high { background: #ef4444; }
.mock-task-priority.medium { background: #f59e0b; }
.mock-task-priority.low { background: #10b981; }
.mock-task.active { border-color: var(--btn-end); box-shadow: 0 0 0 3px rgba(94, 125, 249, 0.08); background: linear-gradient(135deg, rgba(94, 125, 249, 0.02), rgba(94, 125, 249, 0.05)); }

/* Tab 6 - 业绩考核 */
.mock-body-rank { padding: 20px; flex-direction: column; gap: 14px; }
.mock-rank-header { display: flex; align-items: center; justify-content: space-between; }
.mock-rank-title { font-size: 12px; font-weight: 600; color: var(--title-color); }
.mock-rank-period { font-size: 10px; color: #8b92a5; padding: 3px 10px; background: white; border: 1px solid #E0E4ED; border-radius: 4px; }
.mock-rank-content { flex: 1; display: grid; grid-template-columns: 1fr 1.2fr; gap: 14px; }
.mock-podium-area { display: flex; align-items: flex-end; justify-content: center; gap: 8px; padding-bottom: 10px; }
.mock-podium-item { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.mock-podium-avatar { width: 36px; height: 36px; border-radius: 50%; position: relative; }
.mock-podium-item:nth-child(2) .mock-podium-avatar { width: 44px; height: 44px; box-shadow: 0 4px 12px rgba(94, 125, 249, 0.3); }
.mock-podium-crown { position: absolute; top: -8px; left: 50%; transform: translateX(-50%); font-size: 12px; }
.mock-podium-bar { width: 48px; border-radius: 6px 6px 0 0; }
.mock-podium-item:nth-child(1) .mock-podium-bar { height: 70px; background: linear-gradient(180deg, #c0c0c0, #a0a0b0); }
.mock-podium-item:nth-child(2) .mock-podium-bar { height: 95px; background: var(--gradient-btn); }
.mock-podium-item:nth-child(3) .mock-podium-bar { height: 55px; background: linear-gradient(180deg, #cd7f32, #b87333); }
.mock-podium-score { font-size: 9px; font-weight: 700; color: var(--title-color); }
.mock-rank-list { display: flex; flex-direction: column; gap: 8px; }
.mock-rank-row { display: flex; align-items: center; gap: 8px; background: white; border: 1px solid #E0E4ED; border-radius: 8px; padding: 8px 12px; }
.mock-rank-num { width: 20px; height: 20px; border-radius: 50%; background: var(--bg-alt); display: flex; align-items: center; justify-content: center; font-size: 10px; font-weight: 700; color: #8b92a5; }
.mock-rank-row:nth-child(1) .mock-rank-num { background: var(--gradient-btn); color: white; }
.mock-rank-row:nth-child(2) .mock-rank-num { background: #e2e6f0; color: #5a6178; }
.mock-rank-avatar { width: 24px; height: 24px; border-radius: 50%; }
.mock-rank-name { flex: 1; font-size: 10px; color: var(--title-color); font-weight: 500; }
.mock-rank-score-badge { font-size: 10px; font-weight: 700; color: var(--btn-end); }
.mock-rank-stars { display: flex; gap: 2px; }
.mock-rank-stars svg { width: 10px; height: 10px; fill: #f59e0b; }

/* Tab 7 - 系统管理 */
.mock-body-settings { padding: 20px; flex-direction: column; gap: 14px; }
.mock-settings-header { display: flex; align-items: center; gap: 16px; border-bottom: 1px solid #f0f2f7; padding-bottom: 12px; }
.mock-settings-tab { font-size: 11px; color: #8b92a5; padding-bottom: 8px; border-bottom: 2px solid transparent; cursor: pointer; }
.mock-settings-tab.active { color: var(--btn-end); border-bottom-color: var(--btn-end); font-weight: 600; }
.mock-settings-content { flex: 1; display: flex; flex-direction: column; gap: 10px; overflow: hidden; }
.mock-setting-item { background: white; border: 1px solid #E0E4ED; border-radius: 10px; padding: 12px 14px; display: flex; align-items: center; gap: 12px; }
.mock-setting-icon { width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.mock-setting-icon.blue { background: rgba(94, 125, 249, 0.1); }
.mock-setting-icon.green { background: rgba(16, 185, 129, 0.1); }
.mock-setting-icon.purple { background: rgba(168, 85, 247, 0.1); }
.mock-setting-icon.orange { background: rgba(249, 115, 22, 0.1); }
.mock-setting-icon svg { width: 16px; height: 16px; }
.mock-setting-info { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.mock-setting-name { font-size: 11px; font-weight: 600; color: var(--title-color); }
.mock-setting-desc { font-size: 10px; color: #8b92a5; }
.mock-setting-toggle { width: 36px; height: 20px; background: var(--success); border-radius: 10px; position: relative; flex-shrink: 0; }
.mock-setting-toggle::after { content: ''; position: absolute; top: 3px; right: 3px; width: 14px; height: 14px; background: white; border-radius: 50%; }
.mock-setting-toggle.off { background: #D1D5E3; }
.mock-setting-toggle.off::after { right: auto; left: 3px; }
.mock-setting-badge { font-size: 9px; padding: 3px 8px; border-radius: 4px; font-weight: 600; }
.mock-setting-badge.admin { background: rgba(94, 125, 249, 0.1); color: var(--btn-end); }
.mock-setting-badge.editor { background: rgba(16, 185, 129, 0.1); color: #10b981; }

/* Tab 8 - 移动端 */
.mock-body-mobile { align-items: center; justify-content: center; padding: 16px; gap: 16px; }
.mock-phone { width: 170px; height: 290px; background: white; border: 3px solid #1a1a2e; border-radius: 28px; padding: 8px; display: flex; flex-direction: column; overflow: hidden; position: relative; }
.mock-phone-notch { width: 60px; height: 6px; background: #1a1a2e; border-radius: 3px; align-self: center; margin-bottom: 6px; }
.mock-phone-statusbar { display: flex; justify-content: space-between; align-items: center; padding: 0 4px 6px; }
.mock-phone-time { font-size: 9px; font-weight: 600; color: var(--title-color); }
.mock-phone-icons { display: flex; gap: 3px; }
.mock-phone-icons span { width: 10px; height: 7px; background: var(--title-color); border-radius: 2px; }
.mock-phone-content { flex: 1; display: flex; flex-direction: column; gap: 8px; overflow: hidden; border-radius: 6px; }
.mock-phone-nav { background: var(--gradient-btn); padding: 10px; border-radius: 8px; display: flex; flex-direction: column; gap: 6px; }
.mock-phone-nav-title { font-size: 11px; font-weight: 600; color: white; }
.mock-phone-nav-subtitle { font-size: 8px; color: rgba(255,255,255,0.7); }
.mock-phone-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.mock-phone-stat-card { background: var(--bg-alt); border-radius: 6px; padding: 8px; display: flex; flex-direction: column; gap: 3px; }
.mock-phone-stat-num { font-size: 13px; font-weight: 700; color: var(--title-color); }
.mock-phone-stat-label { font-size: 7px; color: #8b92a5; }
.mock-phone-task-card { background: white; border: 1px solid #E0E4ED; border-radius: 6px; padding: 8px; display: flex; align-items: center; gap: 6px; }
.mock-phone-task-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--btn-end); flex-shrink: 0; }
.mock-phone-task-text { font-size: 8px; color: var(--title-color); flex: 1; }
.mock-phone-bottom-nav { display: flex; justify-content: space-around; padding: 8px 4px; border-top: 1px solid #f0f2f7; margin-top: auto; }
.mock-phone-nav-item { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.mock-phone-nav-item svg { width: 14px; height: 14px; color: #8b92a5; }
.mock-phone-nav-item.active svg { color: var(--btn-end); }
.mock-phone-nav-item span { font-size: 7px; color: #8b92a5; }
.mock-phone-nav-item.active span { color: var(--btn-end); font-weight: 600; }
.mock-phone-notification { position: absolute; top: 50px; right: -10px; background: white; border: 1px solid #E0E4ED; border-radius: 10px; padding: 8px 12px; box-shadow: 0 4px 16px rgba(0,0,0,0.1); display: flex; align-items: center; gap: 6px; animation: slideIn 0.5s ease; }
.mock-phone-notification-dot { width: 8px; height: 8px; border-radius: 50%; background: #ef4444; flex-shrink: 0; }
.mock-phone-notification-text { font-size: 9px; color: var(--title-color); white-space: nowrap; }
@keyframes slideIn { from { transform: translateX(20px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* Use Cases */
.section-usecases { background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg-white) 100%); position: relative; overflow: hidden; }
.usecases-carousel { position: relative; }
.usecases-slider { position: relative; overflow: hidden; border-radius: var(--radius-2xl); box-shadow: var(--shadow-lg); }
.usecase-card { display: none; background: white; border-radius: var(--radius-2xl); overflow: hidden; grid-template-columns: 1fr 1.2fr; animation: usecaseFadeIn 0.5s ease; }
.usecase-card.active { display: grid; }
@keyframes usecaseFadeIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
.usecase-visual { padding: 48px 36px; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; min-height: 400px; }
.usecase-card:nth-child(1) .usecase-visual { background: linear-gradient(160deg, #f0f3ff 0%, #e8ecff 100%); }
.usecase-card:nth-child(2) .usecase-visual { background: linear-gradient(160deg, #f0f0ff 0%, #ece8ff 100%); }
.usecase-card:nth-child(3) .usecase-visual { background: linear-gradient(160deg, #fff5f0 0%, #ffede8 100%); }
.usecase-card:nth-child(4) .usecase-visual { background: linear-gradient(160deg, #eefff5 0%, #e8fff0 100%); }
.usecase-flow { display: flex; flex-direction: column; gap: 12px; width: 100%; max-width: 320px; }
.usecase-flow-step { display: flex; align-items: center; gap: 12px; padding: 14px 18px; background: white; border-radius: 10px; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06); font-size: 13px; color: var(--title-color); font-weight: 500; }
.usecase-flow-step::before { content: ''; width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.usecase-card:nth-child(1) .usecase-flow-step::before { background: #5E7DF9; }
.usecase-card:nth-child(2) .usecase-flow-step::before { background: #7C3AED; }
.usecase-card:nth-child(3) .usecase-flow-step::before { background: #f59e0b; }
.usecase-card:nth-child(4) .usecase-flow-step::before { background: #10b981; }
.usecase-flow-arrow { display: flex; justify-content: center; color: #C8CDE0; font-size: 18px; line-height: 1; }
.usecase-content { padding: 48px 44px; position: relative; z-index: 1; display: flex; flex-direction: column; justify-content: center; }
.usecase-scene-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; padding: 5px 14px; border-radius: 4px; margin-bottom: 14px; width: fit-content; }
.usecase-card:nth-child(1) .usecase-scene-tag { background: rgba(94, 125, 249, 0.08); color: #5E7DF9; }
.usecase-card:nth-child(2) .usecase-scene-tag { background: rgba(124, 58, 237, 0.08); color: #7C3AED; }
.usecase-card:nth-child(3) .usecase-scene-tag { background: rgba(245, 158, 11, 0.08); color: #d97706; }
.usecase-card:nth-child(4) .usecase-scene-tag { background: rgba(16, 185, 129, 0.08); color: #059669; }
.usecase-content h3 { font-size: 26px; font-weight: 600; color: var(--title-color); margin-bottom: 20px; }
.usecase-pain, .usecase-solution, .usecase-value { display: flex; gap: 16px; padding: 12px 0; border-bottom: 1px dashed #E0E4ED; }
.usecase-value { border-bottom: none; }
.pain-label, .solution-label, .value-label { flex-shrink: 0; width: 48px; height: 24px; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 600; border-radius: 4px; margin-top: 2px; }
.pain-label { background: rgba(239, 68, 68, 0.08); color: var(--danger); }
.solution-label { background: rgba(137, 142, 255, 0.08); color: var(--btn-end); }
.value-label { background: rgba(16, 185, 129, 0.08); color: var(--success); }
.usecase-pain p, .usecase-solution p, .usecase-value p { flex: 1; font-size: 14px; color: var(--body-color); line-height: 1.7; }
.usecase-cta { margin-top: 24px; }
.usecase-cta a { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: white; text-decoration: none; padding: 10px 24px; border-radius: var(--radius-lg); transition: all var(--transition-base); }
.usecase-card:nth-child(1) .usecase-cta a { background: linear-gradient(135deg, #5E7DF9, #3B5CE0); }
.usecase-card:nth-child(2) .usecase-cta a { background: linear-gradient(135deg, #7C3AED, #5B21B6); }
.usecase-card:nth-child(3) .usecase-cta a { background: linear-gradient(135deg, #f59e0b, #d97706); }
.usecase-card:nth-child(4) .usecase-cta a { background: linear-gradient(135deg, #10b981, #059669); }
.usecase-cta a:hover { transform: translateX(4px); box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15); }
/* Carousel Controls */
.usecases-arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; border-radius: 50%; background: white; border: 1px solid #EEF0F6; box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1); display: flex; align-items: center; justify-content: center; cursor: pointer; z-index: 10; transition: all 0.3s ease; }
.usecases-arrow:hover { box-shadow: 0 6px 24px rgba(94, 125, 249, 0.2); border-color: rgba(94, 125, 249, 0.3); }
.usecases-arrow svg { width: 20px; height: 20px; stroke: var(--title-color); fill: none; stroke-width: 2; }
.usecases-arrow-prev { left: -22px; }
.usecases-arrow-next { right: -22px; }
.usecases-dots { display: flex; justify-content: center; align-items: center; gap: 10px; margin-top: 32px; }
.usecases-dot { width: 10px; height: 10px; border-radius: 50%; background: #D1D5E3; cursor: pointer; transition: all 0.3s ease; border: none; padding: 0; outline: none; }
.usecases-dot:hover { background: #898EFF; transform: scale(1.2); }
.usecases-dot.active { background: linear-gradient(135deg, #5E7DF9, #3B5CE0); width: 32px; border-radius: 5px; box-shadow: 0 2px 8px rgba(94, 125, 249, 0.4); }
.usecases-dot.active:hover { transform: none; }

/* Clients */
.section-clients { background: var(--bg-white); }
.clients-wall { display: grid;  gap: 48px; align-items: stretch; }
.client-placeholder { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px;}
.client-logo-placeholder { height: 100px; background: white; border: none; border-radius: var(--radius-lg); box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04); display: flex; align-items: center; justify-content: center; color: #B8BDD0; font-size: 14px; font-weight: 500; }
.client-logo-placeholder::before { content: 'LOGO'; letter-spacing: 4px; }
.testimonial-stack { position: relative; min-height: 320px; }
.testimonial-card { background: linear-gradient(135deg, #5E7DF9, #3B5CE0); color: white; padding: 40px 32px; border-radius: var(--radius-2xl); position: absolute; inset: 0; overflow: hidden; display: flex; flex-direction: column; justify-content: center; transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1); }
.testimonial-card.no-transition { transition: none !important; }
.testimonial-card::before { content: ''; position: absolute; top: -50px; right: -50px; width: 200px; height: 200px; background: radial-gradient(circle, rgba(34, 154, 244, 0.3) 0%, transparent 70%); }
.testimonial-card.active { z-index: 3; transform: translateX(0) scale(1); opacity: 1; }
.testimonial-card.next { z-index: 2; transform: translateX(20px) scale(0.95); opacity: 0.55; pointer-events: none; }
.testimonial-card.next2 { z-index: 1; transform: translateX(40px) scale(0.9); opacity: 0.25; pointer-events: none; }
.testimonial-card.hidden { z-index: 0; transform: translateX(60px) scale(0.85); opacity: 0; pointer-events: none; }
.testimonial-card.exiting { z-index: 4; transform: translateX(-110%) scale(0.95); opacity: 0; pointer-events: none; }
.testimonial-quote { font-size: 72px; line-height: 1; color: rgba(255, 255, 255, 0.2); font-family: Georgia, serif; margin-bottom: 8px; }
.testimonial-text { font-size: 16px; line-height: 1.7; margin-bottom: 28px; position: relative; z-index: 1; }
.testimonial-author { display: flex; align-items: center; gap: 12px; position: relative; z-index: 1; }
.author-avatar { width: 44px; height: 44px; background: linear-gradient(135deg, #898EFF, #229AF4); border-radius: 50%; border: 2px solid rgba(255, 255, 255, 0.3); }
.author-name { display: block; font-size: 14px; font-weight: 600; color: white; }
.author-company { display: block; font-size: 12px; color: rgba(255, 255, 255, 0.7); margin-top: 2px; }
.testimonial-dots { display: flex; justify-content: center; align-items: center; gap: 10px; margin-top: 28px; position: relative; z-index: 5; }
.testimonial-dot { width: 10px; height: 10px; border-radius: 50%; background: #D1D5E3; cursor: pointer; transition: all 0.3s ease; border: none; padding: 0; outline: none; }
.testimonial-dot:hover { background: #898EFF; transform: scale(1.2); }
.testimonial-dot.active { background: var(--gradient-btn); width: 32px; border-radius: 5px; box-shadow: 0 2px 8px rgba(94, 125, 249, 0.4); }
.testimonial-dot.active:hover { transform: none; }
.testimonial-wrapper { display: flex; flex-direction: column; }

/* Responsive */
@media (max-width: 1024px) {
    .section { padding: 80px 0; }
    .positioning-grid { grid-template-columns: 1fr; gap: 48px; }
    .positioning-content .section-title, .positioning-content .section-desc { text-align: center; }
    .visual-card { width: 360px; height: 360px; }
    .orbit-ring-1 { width: 220px; height: 220px; }
    .orbit-ring-2 { width: 340px; height: 340px; }
    .orbit-dot { transform: translate(-50%, -50%) rotate(var(--angle)) translateY(-110px) rotate(calc(-1 * var(--angle))); }
    .orbit-ring-2 .orbit-dot { transform: translate(-50%, -50%) rotate(var(--angle)) translateY(-170px) rotate(calc(-1 * var(--angle))); }
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .tabs-nav { grid-template-columns: repeat(4, 1fr); }
    .tab-panel-grid { grid-template-columns: 1fr; }
    .usecase-card.active { grid-template-columns: 1fr; }
    .usecases-arrow-prev { left: 8px; }
    .usecases-arrow-next { right: 8px; }
    .clients-wall { grid-template-columns: 1fr; }
    .section-title { font-size: 32px; }
    .section-desc { font-size: 18px; }
}
@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .hero { padding: 80px 0 60px; min-height: auto; }
    .hero-title { font-size: 32px; }
    .hero-subtitle { font-size: 16px; }
    .hero-stats { flex-direction: column; gap: 24px; padding: 24px 32px; }
    .stat-divider { width: 40px; height: 1px; }
    .hero-visual { border-width: 5px; border-radius: 14px; }
    .hero-float-icons { display: none; }
    .pain-points { grid-template-columns: 1fr; }
    .advantages-grid { grid-template-columns: 1fr; }
    .features-tabs { padding: 20px; }
    .tabs-nav { grid-template-columns: repeat(2, 1fr); }
    .tab-panel-info h3 { font-size: 24px; }
    .btn-lg { height: 44px; padding: 0 24px; font-size: 15px; }
    .section-title { font-size: 28px; }
    .section-desc { font-size: 16px; }
}

/* Scroll Animations */
[data-aos] { opacity: 0; transform: translateY(30px); transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
[data-aos].aos-animate { opacity: 1; transform: translateY(0); }

/* 产品架构图 */
.section-architecture { background: var(--bg-white); padding: 80px 0; }
.architecture-wrapper { max-width: 1200px; margin: 0 auto; text-align: center; }
.architecture-header { margin-bottom: 48px; }
.architecture-header .section-tag { margin-bottom: 16px; }
.architecture-header h2 { font-size: 36px; font-weight: 600; color: var(--title-color); margin-bottom: 16px; }
.architecture-header p { font-size: 16px; color: var(--subtitle-color); }
.architecture-image-container { position: relative; display: inline-block; padding: 24px; background: linear-gradient(135deg, #f8f9ff 0%, #fff 100%); border-radius: var(--radius-2xl); box-shadow: 0 20px 60px rgba(94, 125, 249, 0.15), 0 8px 24px rgba(94, 125, 249, 0.08); border: 2px solid rgba(137, 142, 255, 0.2); transition: all 0.4s ease; }
.architecture-image-container:hover { transform: translateY(-8px); box-shadow: 0 30px 80px rgba(94, 125, 249, 0.2), 0 12px 32px rgba(94, 125, 249, 0.12); border-color: rgba(137, 142, 255, 0.4); }
.architecture-image-container::before { content: ''; position: absolute; top: -2px; left: -2px; right: -2px; bottom: -2px; background: linear-gradient(135deg, #898EFF, #5E7DF9, #229AF4); border-radius: var(--radius-2xl); opacity: 0; transition: opacity 0.4s ease; z-index: -1; }
.architecture-image-container:hover::before { opacity: 0.1; }
.architecture-image { max-width: 100%; height: auto; display: block; border-radius: var(--radius-lg); }
.architecture-decorations { position: absolute; width: 100%; height: 100%; top: 0; left: 0; pointer-events: none; }
.arch-corner { position: absolute; width: 40px; height: 40px; border: 3px solid; opacity: 0.3; transition: all 0.4s ease; }
.arch-corner-tl { top: -3px; left: -3px; border-right: none; border-bottom: none; border-color: #898EFF; border-radius: 16px 0 0 0; }
.arch-corner-tr { top: -3px; right: -3px; border-left: none; border-bottom: none; border-color: #5E7DF9; border-radius: 0 16px 0 0; }
.arch-corner-bl { bottom: -3px; left: -3px; border-right: none; border-top: none; border-color: #229AF4; border-radius: 0 0 0 16px; }
.arch-corner-br { bottom: -3px; right: -3px; border-left: none; border-top: none; border-color: #a855f7; border-radius: 0 0 16px 0; }
.architecture-image-container:hover .arch-corner { opacity: 0.6; width: 50px; height: 50px; }