/*
 * Unim 2026 — 科技奢华 × 几何美学 设计系统 v2
 * Aesthetic: Dark Luxury Tech + Geometric Precision
 * Typography: Sora (display) + DM Sans (body)
 */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

/* ===== 设计令牌 ===== */
:root {
    --bg-void: #060911;
    --bg-deep: #0a0e17;
    --bg-surface: #111827;
    --bg-card: #1a1f2e;
    --bg-card-hover: #222840;
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-light: rgba(255, 255, 255, 0.1);
    --border-accent: rgba(229, 168, 75, 0.3);
    --accent-gold: #e5a84b;
    --accent-gold-light: #f0c678;
    --accent-gold-dim: rgba(229, 168, 75, 0.15);
    --accent-emerald: #2dd4a8;
    --accent-emerald-dim: rgba(45, 212, 168, 0.15);
    --accent-indigo: #6366f1;
    --accent-indigo-dim: rgba(99, 102, 241, 0.15);
    --accent-rose: #f43f5e;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-dim: #475569;
    --gradient-hero: linear-gradient(160deg, #0a0e17 0%, #111827 40%, #0f1729 100%);
    --gradient-gold: linear-gradient(135deg, #e5a84b 0%, #d4922a 100%);
    --gradient-gold-text: linear-gradient(135deg, #f0c678 0%, #e5a84b 50%, #d4922a 100%);
    --gradient-card: linear-gradient(180deg, rgba(26, 31, 46, 0.8) 0%, rgba(17, 24, 39, 0.6) 100%);
    --gradient-mesh: radial-gradient(at 20% 20%, rgba(99, 102, 241, 0.06) 0%, transparent 50%),
        radial-gradient(at 80% 80%, rgba(45, 212, 168, 0.04) 0%, transparent 50%),
        radial-gradient(at 50% 50%, rgba(229, 168, 75, 0.03) 0%, transparent 50%);
    --glow-gold: 0 0 40px rgba(229, 168, 75, 0.15), 0 0 80px rgba(229, 168, 75, 0.05);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-elevated: 0 12px 48px rgba(0, 0, 0, 0.5), 0 4px 12px rgba(0, 0, 0, 0.3);
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 0.2s;
    --duration: 0.4s;
    --duration-slow: 0.8s;
    --navbar-h: 64px;
    --promo-h: 40px;
}

/* ===== 基础重置 ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale
}

body {
    font-family: 'DM Sans', -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.65;
    overflow-x: hidden;
    /* 为固定通知条+导航留空间 */
    padding-top: calc(var(--promo-h) + var(--navbar-h));
}

::selection {
    background: var(--accent-gold);
    color: var(--bg-deep)
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--duration-fast) ease
}

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

ul,
ol {
    list-style: none
}

/* ===== 容器 ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem
}

/* ===== 通知条 ===== */
.promo-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1100;
    height: var(--promo-h);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(90deg, #1a1f2e 0%, #111827 50%, #1a1f2e 100%);
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 500;
    transition: transform 0.4s ease, opacity 0.4s ease;
}

.promo-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    opacity: 0.4
}

.promo-bar .highlight {
    color: var(--accent-gold);
    font-weight: 700
}

.promo-bar .badge-count {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: var(--accent-gold-dim);
    border: 1px solid rgba(229, 168, 75, 0.25);
    color: var(--accent-gold);
    padding: 0.15rem 0.6rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: 0.5rem;
}

.promo-bar.hidden {
    transform: translateY(-100%);
    opacity: 0
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: var(--promo-h);
    left: 0;
    right: 0;
    z-index: 9999;
    height: var(--navbar-h);
    display: flex;
    align-items: center;
    padding: 0;
    transition: top 0.4s var(--ease-out-expo), background 0.4s ease, box-shadow 0.4s ease;
    background: rgba(6, 9, 17, 0.97);
    backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid rgba(229, 168, 75, 0.12);
}

.navbar.scrolled {
    top: 0;
    background: rgba(6, 9, 17, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
    border-bottom: 1px solid rgba(229, 168, 75, 0.15);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 10;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: 'Sora', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.navbar-brand .logo-icon {
    width: 34px;
    height: 34px;
    background: var(--gradient-gold);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    color: var(--bg-deep);
    transform: rotate(-5deg);
    box-shadow: var(--glow-gold);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.2rem
}

.nav-links li {
    display: flex;
}

.nav-links a {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.45rem 0.9rem;
    border-radius: var(--radius);
    transition: all var(--duration-fast) ease;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05)
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 2px;
    background: var(--accent-gold);
    border-radius: 2px;
}

.nav-cta {
    display: inline-flex !important;
    align-items: center;
    gap: 0.4rem;
    background: var(--gradient-gold) !important;
    color: var(--bg-deep) !important;
    font-weight: 700 !important;
    font-size: 0.85rem !important;
    padding: 0.55rem 1.3rem !important;
    border-radius: 50px !important;
    box-shadow: 0 4px 20px rgba(229, 168, 75, 0.25);
    border: none;
    cursor: pointer;
    transition: all 0.3s var(--ease-out-expo) !important;
}

.nav-cta:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: var(--glow-gold)
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    width: 44px;
    height: 44px;
    position: relative;
    z-index: 20;
    -webkit-tap-highlight-color: transparent;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

/* 汉堡→X 动画 */
.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

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

/* ===== Hero 区域 ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 80px 0;
    background: var(--gradient-hero);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse at 50% 30%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 30%, black 20%, transparent 70%);
}

.hero::after {
    content: '';
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse, rgba(229, 168, 75, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center
}

.hero-text {
    max-width: 560px
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(229, 168, 75, 0.08);
    border: 1px solid rgba(229, 168, 75, 0.2);
    color: var(--accent-gold);
    padding: 0.45rem 1rem;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 2rem;
    letter-spacing: 0.03em;
}

.hero-badge .dot {
    width: 6px;
    height: 6px;
    background: var(--accent-gold);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
        transform: scale(1)
    }

    50% {
        opacity: 0.4;
        transform: scale(0.8)
    }
}

.hero-title {
    font-family: 'Sora', sans-serif;
    font-size: clamp(2.8rem, 5.5vw, 4.2rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero-title .accent {
    background: var(--gradient-gold-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 2.5rem;
    max-width: 480px
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem
}

/* ===== 按钮系统 ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background: var(--gradient-gold);
    color: var(--bg-deep);
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    padding: 0.9rem 2.2rem;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all 0.3s var(--ease-out-expo);
    box-shadow: 0 8px 32px rgba(229, 168, 75, 0.25);
    text-decoration: none;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 40px rgba(229, 168, 75, 0.35)
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.9rem 2rem;
    border-radius: 50px;
    border: 1px solid var(--border-light);
    cursor: pointer;
    transition: all 0.3s var(--ease-out-expo);
    text-decoration: none;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px)
}

/* 信任徽章 */
.trust-markers {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted)
}

.trust-item .icon-shield {
    color: var(--accent-emerald)
}

.trust-item .icon-bolt {
    color: var(--accent-gold)
}

.trust-item .icon-headset {
    color: var(--accent-indigo)
}

/* 右侧产品预览 */
.hero-visual {
    position: relative;
    perspective: 1200px
}

.dashboard-preview {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-elevated);
    position: relative;
    transform: rotateY(-4deg) rotateX(2deg);
    transition: transform 0.6s var(--ease-out-expo);
}

.dashboard-preview:hover {
    transform: rotateY(0) rotateX(0)
}

.dashboard-preview::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 20%;
    right: 20%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    opacity: 0.5
}

.preview-topbar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 1rem
}

.preview-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%
}

.preview-dot.red {
    background: #ef4444
}

.preview-dot.yellow {
    background: #eab308
}

.preview-dot.green {
    background: #22c55e
}

.preview-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem
}

.metric-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center
}

.metric-box .metric-value {
    font-family: 'Sora', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.3rem
}

.metric-box .metric-value.gold {
    color: var(--accent-gold)
}

.metric-box .metric-value.emerald {
    color: var(--accent-emerald)
}

.metric-box .metric-value.indigo {
    color: var(--accent-indigo)
}

.metric-box .metric-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em
}

.preview-card {
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-lg);
    padding: 1.25rem
}

.preview-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem
}

.preview-avatar {
    width: 40px;
    height: 40px;
    background: var(--gradient-gold);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--bg-deep)
}

.preview-card-name {
    font-weight: 600;
    font-size: 0.9rem
}

.preview-card-meta {
    font-size: 0.75rem;
    color: var(--text-muted)
}

.preview-card-badge {
    margin-left: auto;
    background: var(--accent-emerald-dim);
    color: var(--accent-emerald);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: 50px
}

.preview-card-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem
}

.preview-stat-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 0.15rem
}

.preview-stat-value {
    font-family: 'Sora', sans-serif;
    font-weight: 700;
    font-size: 0.95rem
}

.preview-stat-value.gold {
    color: var(--accent-gold)
}

.preview-stat-value.emerald {
    color: var(--accent-emerald)
}

/* ===== 统计数据条 ===== */
.stats-section {
    position: relative;
    z-index: 5;
    margin-top: -40px
}

.stats-bar {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 2.5rem 3rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    box-shadow: var(--shadow-elevated);
    position: relative;
    overflow: hidden;
}

.stats-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 10%, var(--accent-gold) 50%, transparent 90%);
    opacity: 0.3
}

.stat-item {
    text-align: center;
    position: relative
}

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

.stat-number {
    font-family: 'Sora', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-gold-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.4rem;
}

.stat-label {
    font-size: 0.88rem;
    color: var(--text-muted);
    font-weight: 500
}

/* ===== 通用 Section ===== */
.section {
    padding: 120px 0;
    position: relative
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 5rem
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent-gold-dim);
    border: 1px solid rgba(229, 168, 75, 0.2);
    color: var(--accent-gold);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.section-title {
    font-family: 'Sora', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7
}

/* ===== 功能卡片 ===== */
.features-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    grid-template-rows: auto auto;
    gap: 1.5rem
}

.feature-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--ease-out-expo);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-light), transparent);
    opacity: 0;
    transition: opacity 0.4s ease
}

.feature-card:hover {
    border-color: var(--border-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-elevated)
}

.feature-card:hover::before {
    opacity: 1
}

.feature-card.featured {
    grid-column: 1;
    grid-row: 1/3;
    background: linear-gradient(160deg, rgba(229, 168, 75, 0.08) 0%, rgba(26, 31, 46, 0.9) 40%, var(--bg-card) 100%);
    border-color: rgba(229, 168, 75, 0.15);
    padding: 3rem;
}

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.feature-icon.gold {
    background: var(--accent-gold-dim);
    color: var(--accent-gold);
    border: 1px solid rgba(229, 168, 75, 0.2)
}

.feature-icon.emerald {
    background: var(--accent-emerald-dim);
    color: var(--accent-emerald);
    border: 1px solid rgba(45, 212, 168, 0.2)
}

.feature-icon.indigo {
    background: var(--accent-indigo-dim);
    color: var(--accent-indigo);
    border: 1px solid rgba(99, 102, 241, 0.2)
}

.feature-icon.rose {
    background: rgba(244, 63, 94, 0.12);
    color: var(--accent-rose);
    border: 1px solid rgba(244, 63, 94, 0.2)
}

.feature-title {
    font-family: 'Sora', sans-serif;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em
}

.feature-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 1.5rem
}

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

.feature-tag {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.78rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.feature-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem
}

.feature-check i {
    color: var(--accent-emerald);
    font-size: 0.8rem
}

/* ===== 内页 Hero ===== */
.page-hero {
    padding: 80px 0 60px;
    background: linear-gradient(160deg, var(--bg-surface) 0%, var(--bg-deep) 100%);
    border-bottom: 1px solid var(--border-subtle);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(229, 168, 75, 0.04) 0%, transparent 60%);
    pointer-events: none;
}

.page-hero .section-badge {
    margin-bottom: 1.2rem
}

.page-title {
    font-family: 'Sora', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7
}

/* ===== 价值主张 ===== */
.value-section {
    background: var(--bg-surface);
    position: relative;
    overflow: hidden
}

.value-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-mesh)
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    position: relative
}

.value-card {
    background: rgba(26, 31, 46, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.4s var(--ease-out-expo);
}

.value-card:hover {
    border-color: var(--border-light);
    transform: translateY(-6px);
    box-shadow: var(--shadow-card)
}

.value-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem
}

.value-title {
    font-family: 'Sora', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.75rem
}

.value-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6
}

/* ===== 内页六宫格 ===== */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem
}

/* ===== 高亮大卡 ===== */
.highlight-card {
    background: linear-gradient(160deg, rgba(229, 168, 75, 0.1) 0%, var(--bg-card) 50%, var(--bg-surface) 100%);
    border: 1px solid rgba(229, 168, 75, 0.15);
    border-radius: var(--radius-2xl);
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    opacity: 0.5
}

/* ===== 价格卡片 ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    align-items: start
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    text-align: center;
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
}

.pricing-card:hover {
    border-color: var(--border-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-elevated)
}

.pricing-card.featured {
    border-color: var(--accent-gold);
    background: linear-gradient(180deg, rgba(229, 168, 75, 0.08) 0%, var(--bg-card) 100%);
    transform: scale(1.03);
}

.pricing-card.featured::before {
    content: '🔥 限时特惠';
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-gold);
    color: var(--bg-deep);
    padding: 0.35rem 1.25rem;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 700;
    white-space: nowrap;
    box-shadow: 0 4px 15px rgba(229, 168, 75, 0.3);
}

.pricing-name {
    font-family: 'Sora', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem
}

.pricing-price {
    font-family: 'Sora', sans-serif;
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
    line-height: 1
}

.pricing-price .currency {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500
}

.pricing-price .period {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 400
}

.pricing-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem
}

.pricing-features {
    text-align: left;
    margin-bottom: 2rem
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 0.9rem
}

.pricing-features li i {
    color: var(--accent-emerald);
    font-size: 0.85rem
}

.pricing-features li.disabled {
    color: var(--text-dim)
}

.pricing-features li.disabled i {
    color: var(--text-dim)
}

/* ===== 案例 / 证言 ===== */
.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    transition: all 0.4s var(--ease-out-expo);
}

.testimonial-card:hover {
    border-color: var(--border-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card)
}

.testimonial-quote {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 1.5rem;
    font-style: italic
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.75rem
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem
}

.testimonial-name {
    font-weight: 600;
    font-size: 0.9rem
}

.testimonial-role {
    font-size: 0.78rem;
    color: var(--text-muted)
}

.case-metric {
    display: flex;
    gap: 1.5rem;
    margin-top: 1.5rem;
    flex-wrap: wrap
}

.case-metric-item {
    text-align: center
}

.case-metric-value {
    font-family: 'Sora', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-gold)
}

.case-metric-label {
    font-size: 0.75rem;
    color: var(--text-muted)
}

/* ===== 联系表单 ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start
}

.contact-info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s var(--ease-out-expo);
    margin-bottom: 1rem;
}

.contact-info-card:hover {
    border-color: var(--border-light);
    transform: translateX(4px)
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-info-title {
    font-family: 'Sora', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.2rem
}

.contact-info-text {
    font-size: 0.85rem;
    color: var(--text-muted)
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 1.25rem
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    transition: border-color 0.2s ease;
    outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--accent-gold)
}

.form-textarea {
    resize: vertical;
    min-height: 120px
}

.form-select {
    appearance: none;
    cursor: pointer
}

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

/* ===== CTA 区域 ===== */
.cta-section {
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: var(--bg-void)
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(229, 168, 75, 0.06) 0%, transparent 50%), radial-gradient(ellipse at 50% 100%, rgba(45, 212, 168, 0.04) 0%, transparent 50%)
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 640px;
    margin: 0 auto
}

.cta-title {
    font-family: 'Sora', sans-serif;
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 1rem
}

.cta-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.7
}

.cta-badges {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-top: 3rem;
    flex-wrap: wrap
}

.cta-badge {
    text-align: center
}

.cta-badge-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem
}

.cta-badge-text {
    font-size: 0.85rem;
    color: var(--text-muted)
}

/* ===== 页脚 ===== */
.footer {
    background: var(--bg-void);
    border-top: 1px solid var(--border-subtle);
    padding: 80px 0 40px
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: 'Sora', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem
}

.footer-brand .logo-icon {
    width: 30px;
    height: 30px;
    background: var(--gradient-gold);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: var(--bg-deep);
    transform: rotate(-5deg)
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    max-width: 280px
}

.footer-col-title {
    font-family: 'Sora', sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1.25rem
}

.footer-links li {
    margin-bottom: 0.6rem
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: color var(--duration-fast) ease
}

.footer-links a:hover {
    color: var(--accent-gold)
}

.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--text-dim)
}

.footer-legal {
    display: flex;
    gap: 1.5rem
}

.footer-legal a {
    font-size: 0.85rem;
    color: var(--text-dim)
}

.footer-legal a:hover {
    color: var(--text-secondary)
}

/* ===== 悬浮CTA ===== */
.float-cta {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gradient-gold);
    color: var(--bg-deep);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    box-shadow: 0 8px 32px rgba(229, 168, 75, 0.3);
    transition: all 0.3s var(--ease-out-expo);
    opacity: 0;
    transform: translateY(20px);
}

.float-cta.visible {
    opacity: 1;
    transform: translateY(0)
}

.float-cta:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--glow-gold)
}

/* ===== 滚动动画 ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--ease-out-expo)
}

.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
}

/* ===== 响应式 - 平板 ===== */
@media(max-width:1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem
    }

    .hero-visual {
        display: none
    }

    .hero {
        min-height: auto;
        padding: 60px 0
    }

    .features-grid {
        grid-template-columns: 1fr
    }

    .feature-card.featured {
        grid-column: 1;
        grid-row: auto
    }

    .value-grid,
    .grid-3,
    .pricing-grid {
        grid-template-columns: 1fr 1fr
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr)
    }

    .stat-item:nth-child(2)::after {
        display: none
    }

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

    .contact-grid {
        grid-template-columns: 1fr
    }
}

/* ===== 响应式 - 手机 ===== */
@media(max-width:768px) {
    :root {
        --promo-h: 36px;
        --navbar-h: 56px
    }

    .container {
        padding: 0 1.25rem
    }

    /* 手机导航 — 全屏覆盖层 */
    .nav-links {
        display: none !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        z-index: 5 !important;
        background: rgba(6, 9, 17, 0.99) !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 0 !important;
        overflow-y: auto !important;
        padding: 0 2rem !important;
    }

    .nav-links.open {
        display: flex !important;
    }

    .nav-links li {
        display: block !important;
        width: 100% !important;
        max-width: 400px !important;
    }

    .nav-links li a {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100% !important;
        font-size: 1.2rem !important;
        font-weight: 500 !important;
        padding: 1rem !important;
        border-radius: var(--radius) !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06) !important;
        color: var(--text-primary) !important;
        background: none !important;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
        background: rgba(255, 255, 255, 0.05) !important;
        color: var(--accent-gold) !important;
    }

    .nav-links li:last-child a {
        border-bottom: none !important;
    }

    .nav-links li a.nav-cta {
        display: flex !important;
        justify-content: center !important;
        margin-top: 1.5rem !important;
        padding: 1rem 2rem !important;
        font-size: 1rem !important;
        font-weight: 700 !important;
        border-radius: var(--radius-xl) !important;
        border-bottom: none !important;
        background: var(--gradient-gold) !important;
        color: var(--bg-deep) !important;
    }

    .navbar {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        background: rgba(6, 9, 17, 1) !important;
        /* 移动端使用实色背景，确保不透明度 */
    }

    .nav-toggle {
        display: flex;
    }

    /* 确保logo始终可见 */
    .navbar-brand {
        position: relative;
        z-index: 20;
    }

    /* 移动端隐藏导航活跃下划线 */
    .nav-links a.active::after {
        display: none !important;
    }

    /* 手机 Hero */
    .hero {
        padding: 40px 0 60px;
        min-height: auto
    }

    .hero-title {
        font-size: 2rem
    }

    .hero-subtitle {
        font-size: 1rem
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 0.35rem 0.8rem
    }

    .hero-actions {
        flex-direction: column
    }

    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        width: 100%;
        justify-content: center
    }

    .trust-markers {
        justify-content: center;
        gap: 1.2rem
    }

    /* 手机统计条 */
    .stats-section {
        margin-top: -20px
    }

    .stats-bar {
        grid-template-columns: 1fr 1fr;
        padding: 1.5rem;
        gap: 1rem
    }

    .stat-item::after {
        display: none !important
    }

    .stat-number {
        font-size: 1.8rem
    }

    .stat-label {
        font-size: 0.78rem
    }

    /* 手机内容区 */
    .section {
        padding: 60px 0
    }

    .section-header {
        margin-bottom: 3rem
    }

    .section-title {
        font-size: 1.7rem
    }

    .section-subtitle {
        font-size: 0.95rem
    }

    /* 手机卡片 */
    .value-grid,
    .grid-3,
    .pricing-grid {
        grid-template-columns: 1fr
    }

    .grid-2 {
        grid-template-columns: 1fr
    }

    .feature-card {
        padding: 1.75rem
    }

    .feature-card.featured {
        padding: 2rem
    }

    .pricing-card {
        padding: 2rem
    }

    .pricing-card.featured {
        transform: scale(1)
    }

    .testimonial-card {
        padding: 1.75rem
    }

    /* 手机页脚 — 2列布局 */
    .footer {
        padding: 40px 0 30px
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem 1rem;
        margin-bottom: 2rem
    }

    .footer-grid>div:first-child {
        grid-column: 1 / -1;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem
    }

    .footer-legal {
        justify-content: center
    }

    /* 手机内页 Hero */
    .page-hero {
        padding: 50px 0 40px
    }

    .page-title {
        font-size: 1.7rem
    }

    .page-subtitle {
        font-size: 0.95rem
    }

    /* 手机CTA */
    .cta-section {
        padding: 60px 0
    }

    .cta-title {
        font-size: 1.7rem
    }

    .cta-badges {
        gap: 1.2rem
    }

    .cta-badge-icon {
        font-size: 1.2rem
    }

    /* 手机联系 */
    .contact-info-card {
        padding: 1.5rem
    }

    .contact-form {
        padding: 1.75rem
    }

    .form-row {
        grid-template-columns: 1fr
    }

    /* 手机悬浮CTA */
    .float-cta {
        bottom: 1.2rem;
        right: 1.2rem;
        padding: 0.7rem 1.2rem;
        font-size: 0.82rem
    }

    /* 手机高亮卡 */
    .highlight-card {
        padding: 2rem
    }

    .highlight-card>div[style*="grid-template-columns"] {
        display: block !important;
    }

    .highlight-card .dashboard-preview {
        margin-top: 2rem;
    }

    /* 手机 hero badge 自动换行 */
    .hero-badge {
        white-space: normal !important;
        text-align: center;
        line-height: 1.6;
    }

    /* 手机 value 区4列→2列 */
    div[style*="grid-template-columns:repeat(4"] {
        grid-template-columns: 1fr 1fr !important;
    }

    /* 手机引擎卡片内 padding 缩减 */
    .feature-card[style*="padding:2.5rem"] {
        padding: 1.75rem !important;
    }
}

/* ===== 小屏手机 ===== */
@media(max-width:380px) {
    .container {
        padding: 0 1rem
    }

    .hero-title {
        font-size: 1.65rem
    }

    .promo-bar {
        font-size: 0.72rem
    }

    .promo-bar .badge-count {
        font-size: 0.68rem;
        padding: 0.1rem 0.4rem
    }
}