/* =============================================
   盛世互联 - AI Platform
   Design System: Refined Tech Luxury
   ============================================= */

:root {
    /* Background System */
    --bg-base: #05070D;
    --bg-primary: #080B14;
    --bg-secondary: #0C1018;
    --bg-card: #10141F;
    --bg-elevated: #141928;
    --bg-glass: rgba(16, 20, 31, 0.6);
    --bg-glass-light: rgba(255, 255, 255, 0.03);

    /* Border System */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-default: rgba(255, 255, 255, 0.1);
    --border-active: rgba(99, 102, 241, 0.4);
    --border-glow: rgba(99, 102, 241, 0.2);

    /* Text System */
    --text-title: #F1F5F9;
    --text-body: #CBD5E1;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;

    /* Brand Colors */
    --brand-blue: #6366F1;
    --brand-blue-light: #818CF8;
    --brand-blue-dark: #4F46E5;
    --brand-cyan: #22D3EE;
    --brand-purple: #A855F7;
    --brand-orange: #F97316;
    --brand-orange-light: #FB923C;
    --brand-orange-dark: #EA580C;
    --brand-green: #10B981;
    --brand-gold: #FBBF24;

    /* Gradients */
    --grad-primary: linear-gradient(135deg, #6366F1 0%, #22D3EE 100%);
    --grad-warm: linear-gradient(135deg, #F97316 0%, #FBBF24 100%);
    --grad-cool: linear-gradient(135deg, #6366F1 0%, #A855F7 100%);
    --grad-mesh: radial-gradient(at 20% 30%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                 radial-gradient(at 80% 70%, rgba(34, 211, 238, 0.1) 0%, transparent 50%);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 60px rgba(99, 102, 241, 0.15);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.05);

    /* Typography */
    --font-display: 'Sora', 'Noto Sans SC', -apple-system, sans-serif;
    --font-body: 'Noto Sans SC', 'Sora', -apple-system, sans-serif;

    /* Layout */
    --max-width: 1320px;
    --section-pad: 7rem;
    --card-radius: 20px;
    --card-radius-sm: 14px;
}

/* =============================================
   Reset & Base
   ============================================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background: var(--bg-base);
    color: var(--text-body);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    overflow-x: hidden;
    font-weight: 400;
    letter-spacing: 0.01em;
}

::selection {
    background: rgba(99, 102, 241, 0.3);
    color: var(--text-title);
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--brand-blue), var(--brand-blue-dark));
    border-radius: 4px;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1.15; color: var(--text-title); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); line-height: 1.25; color: var(--text-title); font-weight: 600; letter-spacing: -0.01em; }
h3 { font-size: 1.3rem; line-height: 1.35; color: var(--text-title); font-weight: 600; }

a { color: inherit; text-decoration: none; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
img, canvas, svg { max-width: 100%; display: block; }
button { background: none; border: none; color: inherit; cursor: pointer; font-family: inherit; }
ul, ol { list-style: none; }

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

@media (max-width: 768px) {
    .container { padding: 0 1.2rem; }
}

/* =============================================
   Navigation
   ============================================= */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(8, 11, 20, 0.7);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--border-subtle);
    transition: all 0.4s ease;
}

.site-header.scrolled {
    background: rgba(8, 11, 20, 0.92);
    border-bottom-color: var(--border-default);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.nav {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-family: var(--font-display);
}

.brand img {
    height: 34px;
    width: auto;
    border-radius: 6px;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-name {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-title);
    letter-spacing: 0.5px;
}

.brand-sub {
    font-size: 0.6rem;
    color: var(--brand-blue-light);
    letter-spacing: 2.5px;
    margin-top: 2px;
    font-weight: 500;
}

.nav-menu {
    display: flex;
    gap: 0.3rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.3px;
    padding: 0.5rem 0.9rem;
    position: relative;
    border-radius: 8px;
    transition: all 0.3s;
}

.nav-menu a:hover {
    color: var(--text-title);
    background: rgba(255, 255, 255, 0.04);
}

.nav-menu a.active {
    color: var(--brand-blue-light);
    background: rgba(99, 102, 241, 0.08);
}

.nav-cta {
    padding: 0.55rem 1.6rem !important;
    background: var(--brand-orange) !important;
    color: #FFFFFF !important;
    border-radius: 8px !important;
    font-weight: 600 !important;
    font-size: 0.82rem !important;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 16px rgba(249, 115, 22, 0.25);
    transition: all 0.3s;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(249, 115, 22, 0.4);
    background: var(--brand-orange-dark) !important;
}

.nav-toggle {
    display: none;
    width: 28px;
    height: 28px;
    position: relative;
}

.nav-toggle span {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--text-title);
    border-radius: 2px;
    transition: all 0.3s;
}

.nav-toggle span:nth-child(1) { top: 7px; }
.nav-toggle span:nth-child(2) { top: 13px; }
.nav-toggle span:nth-child(3) { top: 19px; }

@media (max-width: 900px) {
    .nav { padding: 0.9rem 1.2rem; }
    .nav-menu { display: none; }
    .nav-toggle { display: block; }
    .nav-menu.open {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(8, 11, 20, 0.98);
        backdrop-filter: blur(24px);
        flex-direction: column;
        padding: 1.5rem;
        gap: 0.5rem;
        border-bottom: 1px solid var(--border-default);
    }
    .nav-menu.open a { width: 100%; padding: 0.8rem 1rem; }
}

/* =============================================
   Hero Section
   ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 8rem 2rem 5rem;
    background: var(--bg-base);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.04) 1px, transparent 1px);
    background-size: 70px 70px;
    animation: grid-drift 40s linear infinite;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

@keyframes grid-drift {
    0% { transform: translate(0, 0); }
    100% { transform: translate(70px, 70px); }
}

.hero-orbs {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.35;
    animation: orb-drift 25s ease-in-out infinite;
}

.hero-orb:nth-child(1) {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.4), transparent 70%);
    top: 5%; left: 5%;
}

.hero-orb:nth-child(2) {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.3), transparent 70%);
    bottom: 10%; right: 8%;
    animation-delay: -8s;
}

.hero-orb:nth-child(3) {
    width: 350px; height: 350px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.25), transparent 70%);
    top: 40%; right: 20%;
    animation-delay: -15s;
}

.hero-orb:nth-child(4) {
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.2), transparent 70%);
    bottom: 30%; left: 30%;
    animation-delay: -20s;
}

@keyframes orb-drift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(40px, -40px) scale(1.1); }
    50% { transform: translate(-30px, 50px) scale(0.9); }
    75% { transform: translate(50px, 30px) scale(1.05); }
}

.hero::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to top, var(--bg-base), transparent);
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1.2rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--brand-blue-light);
    letter-spacing: 1.5px;
    font-weight: 500;
    margin-bottom: 2rem;
    animation: fade-up 0.8s ease-out forwards;
    opacity: 0;
}

.hero-badge::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--brand-blue-light);
    box-shadow: 0 0 8px var(--brand-blue-light);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5.5vw, 4.5rem);
    font-weight: 700;
    line-height: 1.12;
    color: var(--text-title);
    margin-bottom: 1.8rem;
    letter-spacing: -0.02em;
    animation: fade-up 1s ease-out 0.15s forwards;
    opacity: 0;
}

.hero-title span {
    background: linear-gradient(135deg, var(--brand-blue-light) 0%, var(--brand-cyan) 50%, var(--brand-purple) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-flow 5s ease infinite;
}

@keyframes gradient-flow {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

@keyframes fade-up {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-subtitle {
    font-size: clamp(1.05rem, 1.6vw, 1.3rem);
    color: var(--text-secondary);
    line-height: 1.85;
    max-width: 720px;
    margin: 0 auto 2.5rem;
    font-weight: 300;
    letter-spacing: 0.02em;
    animation: fade-up 1s ease-out 0.35s forwards;
    opacity: 0;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fade-up 1s ease-out 0.55s forwards;
    opacity: 0;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin-top: 4rem;
    padding: 0;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--card-radius);
    border: 1px solid var(--border-default);
    overflow: hidden;
    animation: fade-up 1s ease-out 0.75s forwards;
    opacity: 0;
}

.hero-stat-item {
    text-align: center;
    padding: 2rem 1.5rem;
    position: relative;
    transition: background 0.3s;
}

.hero-stat-item:hover {
    background: rgba(99, 102, 241, 0.05);
}

.hero-stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 50%;
    background: var(--border-default);
}

.hero-stat-number {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--brand-blue-light), var(--brand-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.hero-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 1.5px;
    font-weight: 500;
    text-transform: uppercase;
}

@media (max-width: 768px) {
    .hero { padding: 6.5rem 1.2rem 3rem; min-height: auto; }
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-stat-item:nth-child(2)::after { display: none; }
    .hero-stat-item:nth-child(1), .hero-stat-item:nth-child(2) {
        border-bottom: 1px solid var(--border-default);
    }
}

/* =============================================
   Buttons
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    height: 46px;
    padding: 0 1.8rem;
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    cursor: pointer;
    text-align: center;
    font-family: var(--font-body);
}

.btn-primary {
    background: var(--brand-blue);
    color: #FFFFFF;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: var(--brand-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.45);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-title);
    border: 1px solid var(--border-default);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--brand-blue-light);
    color: var(--brand-blue-light);
}

.btn-orange {
    background: var(--brand-orange);
    color: #FFFFFF;
    box-shadow: 0 4px 20px rgba(249, 115, 22, 0.3);
}

.btn-orange:hover {
    background: var(--brand-orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(249, 115, 22, 0.45);
}

.btn-arrow::after {
    content: '→';
    transition: transform 0.3s;
    font-weight: 400;
}

.btn-arrow:hover::after {
    transform: translateX(4px);
}

/* =============================================
   Sections
   ============================================= */
.section {
    padding: var(--section-pad) 0;
    position: relative;
}

.section-alt {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.35rem 1rem;
    border: 1px solid var(--border-glow);
    border-radius: 100px;
    color: var(--brand-blue-light);
    font-size: 0.7rem;
    letter-spacing: 2px;
    margin-bottom: 1.2rem;
    font-weight: 500;
    background: rgba(99, 102, 241, 0.05);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 600;
    color: var(--text-title);
    line-height: 1.25;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.section-title strong {
    font-weight: 700;
    background: linear-gradient(135deg, var(--brand-blue-light), var(--brand-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.85;
}

@media (max-width: 768px) {
    .section { padding: 4rem 0; }
    .section-header { margin-bottom: 2.5rem; }
}

/* =============================================
   Feature Grid
   ============================================= */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 2rem 1.8rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

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

.feature-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.08), transparent 60%);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(99, 102, 241, 0.25);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3), 0 0 40px rgba(99, 102, 241, 0.08);
}

.feature-card:hover::before,
.feature-card:hover::after { opacity: 1; }

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(168, 85, 247, 0.1));
    border: 1px solid rgba(99, 102, 241, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-blue-light);
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.1);
    transition: all 0.3s;
}

.feature-card:hover .feature-icon {
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.2);
}

.feature-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.6rem;
    letter-spacing: 0.02em;
}

.feature-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

@media (max-width: 1100px) {
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .feature-grid { grid-template-columns: 1fr; gap: 1rem; }
    .feature-card { padding: 1.8rem 1.5rem; }
}

/* =============================================
   Pricing Tiers
   ============================================= */
.tier-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.tier-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 2.5rem 2rem;
    position: relative;
    transition: all 0.4s;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.tier-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
    opacity: 0.5;
}

.tier-card.featured {
    background: linear-gradient(165deg, rgba(99, 102, 241, 0.08) 0%, var(--bg-glass) 100%);
    border-color: rgba(99, 102, 241, 0.3);
    transform: scale(1.02);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3), 0 0 60px rgba(99, 102, 241, 0.1);
}

.tier-card.featured::before {
    background: linear-gradient(90deg, var(--brand-orange), var(--brand-gold));
    height: 4px;
    opacity: 1;
}

.tier-card:hover {
    transform: translateY(-6px);
    border-color: rgba(99, 102, 241, 0.25);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3), 0 0 40px rgba(99, 102, 241, 0.08);
}

.tier-card.featured:hover {
    transform: scale(1.02) translateY(-6px);
}

.tier-badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--brand-blue-light);
    border-radius: 6px;
    font-size: 0.68rem;
    letter-spacing: 1.5px;
    margin-bottom: 1rem;
    font-weight: 600;
    align-self: flex-start;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.tier-card.featured .tier-badge {
    background: linear-gradient(135deg, var(--brand-orange), var(--brand-orange-dark));
    color: #FFFFFF;
    border-color: transparent;
}

.tier-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.4rem;
    letter-spacing: -0.01em;
}

.tier-tagline {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1.8rem;
}

.tier-price {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
    margin-bottom: 0.4rem;
}

.tier-price-currency {
    font-size: 1.1rem;
    color: var(--brand-blue-light);
    font-weight: 500;
}

.tier-price-amount {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--brand-blue-light), var(--brand-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
    line-height: 1;
}

.tier-card.featured .tier-price-amount {
    background: linear-gradient(135deg, var(--brand-orange-light), var(--brand-gold));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tier-price-unit {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.tier-return {
    font-size: 0.78rem;
    color: var(--brand-orange-light);
    margin-bottom: 1.5rem;
    padding: 0.6rem 0.8rem;
    background: rgba(249, 115, 22, 0.06);
    border-left: 2px solid var(--brand-orange);
    border-radius: 0 6px 6px 0;
    line-height: 1.6;
}

.tier-return strong { color: var(--brand-orange-light); font-weight: 600; }

.tier-features {
    margin-bottom: 2rem;
    flex: 1;
}

.tier-features li {
    padding: 0.5rem 0;
    font-size: 0.86rem;
    color: var(--text-secondary);
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
}

.tier-features li::before {
    content: '';
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    flex-shrink: 0;
    margin-top: 0.2rem;
    position: relative;
}

.tier-features li::after {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--brand-blue-light);
    position: absolute;
    left: 6px;
    top: 0.45rem;
    margin-top: 0;
}

.tier-features li {
    position: relative;
}

.tier-features li > span,
.tier-features li {
    padding-left: 0;
}

.tier-features li::before {
    content: '✓';
    background: none;
    border: none;
    color: var(--brand-blue-light);
    font-size: 0.8rem;
    font-weight: 600;
    width: auto;
    height: auto;
    border-radius: 0;
    margin-top: 0.1rem;
}

.tier-features li::after {
    display: none;
}

.tier-features strong {
    color: var(--text-title);
    font-weight: 500;
}

.tier-cta {
    display: block;
    width: 100%;
    padding: 0.9rem;
    text-align: center;
    background: transparent;
    border: 1px solid var(--border-active);
    color: var(--brand-blue-light);
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.86rem;
    letter-spacing: 1px;
    transition: all 0.3s;
    cursor: pointer;
}

.tier-cta:hover {
    background: var(--brand-blue);
    color: #FFFFFF;
    border-color: transparent;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}

.tier-card.featured .tier-cta {
    background: linear-gradient(135deg, var(--brand-orange), var(--brand-orange-dark));
    color: #FFFFFF;
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(249, 115, 22, 0.25);
}

.tier-card.featured .tier-cta:hover {
    box-shadow: 0 8px 32px rgba(249, 115, 22, 0.4);
    transform: translateY(-1px);
}

@media (max-width: 1000px) {
    .tier-grid { grid-template-columns: 1fr; max-width: 500px; }
    .tier-card.featured { transform: none; }
    .tier-card.featured:hover { transform: translateY(-6px); }
}

/* =============================================
   Product Grid
   ============================================= */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.product-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 2.2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: block;
    text-decoration: none;
}

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

.product-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.06), transparent 50%);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: rgba(99, 102, 241, 0.25);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3), 0 0 40px rgba(99, 102, 241, 0.08);
}

.product-card:hover::before,
.product-card:hover::after { opacity: 1; }

.product-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 1.3rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s;
}

.product-card:hover .product-icon {
    transform: scale(1.08) rotate(-3deg);
}

.product-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.6rem;
    letter-spacing: -0.01em;
}

.product-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.2rem;
    font-size: 0.9rem;
}

.product-features {
    list-style: none;
    padding: 0;
}

.product-features li {
    color: var(--text-body);
    padding: 0.4rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.85rem;
    line-height: 1.5;
}

.product-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--brand-blue-light);
    font-weight: 600;
    font-size: 0.85rem;
}

/* =============================================
   CTA Section
   ============================================= */
.cta-section {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(249, 115, 22, 0.04));
    padding: 5rem 0;
    text-align: center;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1), transparent 60%);
    pointer-events: none;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.8rem;
    position: relative;
}

.cta-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    position: relative;
}

/* =============================================
   Footer
   ============================================= */
.site-footer {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-base) 100%);
    border-top: 1px solid var(--border-subtle);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.8rem;
    letter-spacing: 0.5px;
}

.footer-brand-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.footer-section h4 {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--brand-blue-light);
    letter-spacing: 2px;
    margin-bottom: 1.2rem;
    text-transform: uppercase;
}

.footer-section ul li {
    margin-bottom: 0.7rem;
}

.footer-section ul li a {
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: color 0.3s;
}

.footer-section ul li a:hover { color: var(--brand-blue-light); }

.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.78rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

@media (max-width: 768px) {
    .footer-content { grid-template-columns: 1fr; gap: 2rem; }
}

/* =============================================
   Page Hero
   ============================================= */
.page-hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 7rem 2rem 3rem;
    text-align: center;
    overflow: hidden;
    background: var(--bg-base);
}

.page-hero::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(to top, var(--bg-primary), transparent);
    z-index: 1;
    pointer-events: none;
}

.page-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.page-hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: grid-drift 35s linear infinite;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.page-hero-orbs {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.page-hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: orb-drift 20s ease-in-out infinite;
}

.page-hero-content {
    position: relative;
    z-index: 2;
    animation: fade-up 1s ease-out forwards;
    opacity: 0;
    max-width: 800px;
}

.page-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-title) 0%, var(--brand-blue-light) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-hero p {
    font-size: clamp(1rem, 1.4vw, 1.15rem);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* Page Hero 增强：tagline + meta 数据条 */
.page-hero-tagline {
    display: inline-block;
    margin: 0 0 1.2rem;
    padding: 0.4rem 1.1rem;
    border: 1px solid rgba(212, 184, 112, 0.3);
    border-radius: 100px;
    background: rgba(212, 184, 112, 0.06);
    color: var(--gold-300, #D4B870);
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    backdrop-filter: blur(8px);
}

.page-hero .page-hero-tagline + p {
    max-width: 700px;
    margin-bottom: 1.6rem;
}

.page-hero-meta {
    display: inline-flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 1.2rem;
    padding: 0.8rem 1.8rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 100px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, transparent 100%);
    backdrop-filter: blur(8px);
}

.page-hero-meta span {
    display: inline-flex;
    align-items: baseline;
    gap: 0.4rem;
    color: var(--text-secondary);
    font-size: 0.88rem;
}

.page-hero-meta span + span {
    position: relative;
    padding-left: 1.5rem;
}

.page-hero-meta span + span::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 14px;
    background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.page-hero-meta strong {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-title);
    background: var(--gold-shine, linear-gradient(135deg, #C19A4B 0%, #F4E8C5 50%, #D4B870 100%));
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

@media (max-width: 768px) {
    .page-hero-meta {
        gap: 0.6rem 1rem;
        padding: 0.7rem 1.2rem;
        border-radius: 16px;
    }
    .page-hero-meta span {
        font-size: 0.78rem;
    }
    .page-hero-meta span + span {
        padding-left: 1rem;
    }
}

/* Page Hero Color Variants */
.page-hero-geo .page-hero-orb:nth-child(1) {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.3), transparent 70%);
    top: 10%; left: 5%;
}

.page-hero-geo .page-hero-orb:nth-child(2) {
    width: 320px; height: 320px;
    background: radial-gradient(circle, rgba(251, 191, 36, 0.25), transparent 70%);
    bottom: 15%; right: 10%;
    animation-delay: -7s;
}

.page-hero-geocpi .page-hero-orb:nth-child(1) {
    width: 360px; height: 360px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.3), transparent 70%);
    top: 12%; right: 8%;
}

.page-hero-geocpi .page-hero-orb:nth-child(2) {
    width: 290px; height: 290px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.25), transparent 70%);
    bottom: 15%; left: 10%;
    animation-delay: -7s;
}

.page-hero-maas .page-hero-orb:nth-child(1) {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.3), transparent 70%);
    top: 8%; right: 5%;
}

.page-hero-maas .page-hero-orb:nth-child(2) {
    width: 320px; height: 320px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.25), transparent 70%);
    bottom: 12%; left: 8%;
    animation-delay: -8s;
}

.page-hero-webchat .page-hero-orb:nth-child(1) {
    width: 360px; height: 360px;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.3), transparent 70%);
    top: 10%; left: 8%;
}

.page-hero-webchat .page-hero-orb:nth-child(2) {
    width: 290px; height: 290px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.25), transparent 70%);
    bottom: 15%; right: 8%;
    animation-delay: -5s;
}

.page-hero-chatbot .page-hero-orb:nth-child(1) {
    width: 380px; height: 380px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.3), transparent 70%);
    top: 8%; right: 10%;
}

.page-hero-chatbot .page-hero-orb:nth-child(2) {
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.25), transparent 70%);
    bottom: 18%; left: 12%;
    animation-delay: -7s;
}

.page-hero-compute .page-hero-orb:nth-child(1) {
    width: 420px; height: 420px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3), transparent 70%);
    top: 5%; left: 10%;
}

.page-hero-compute .page-hero-orb:nth-child(2) {
    width: 340px; height: 340px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.25), transparent 70%);
    bottom: 12%; right: 10%;
    animation-delay: -9s;
}

.page-hero-contact .page-hero-orb:nth-child(1) {
    width: 360px; height: 360px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3), transparent 70%);
    top: 12%; left: 5%;
}

.page-hero-contact .page-hero-orb:nth-child(2) {
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.25), transparent 70%);
    bottom: 15%; right: 8%;
    animation-delay: -6s;
}

/* =============================================
   Contact Page
   ============================================= */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.contact-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 2.2rem;
    text-align: center;
    transition: all 0.4s;
}

.contact-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.25);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.contact-form {
    max-width: 680px;
    margin: 3rem auto 0;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.9rem 1.2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: 10px;
    color: var(--text-title);
    font-size: 0.9rem;
    font-family: var(--font-body);
    transition: all 0.3s;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-textarea {
    min-height: 140px;
    resize: vertical;
}

/* =============================================
   Scroll Reveal Animation
   ============================================= */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal:nth-child(1) { transition-delay: 0.05s; }
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.15s; }
.reveal:nth-child(4) { transition-delay: 0.2s; }
.reveal:nth-child(5) { transition-delay: 0.25s; }
.reveal:nth-child(6) { transition-delay: 0.3s; }
.reveal:nth-child(7) { transition-delay: 0.35s; }
.reveal:nth-child(8) { transition-delay: 0.4s; }

/* =============================================
   GEO Page Specific
   ============================================= */
.geo-pricing-block {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 2.5rem;
    margin-bottom: 2rem;
    transition: all 0.4s;
}

.geo-pricing-block:hover {
    border-color: rgba(99, 102, 241, 0.2);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.geo-pricing-block h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.8rem;
}

.geo-pricing-block p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.geo-price-tag {
    display: inline-flex;
    align-items: baseline;
    gap: 0.3rem;
    padding: 0.6rem 1.2rem;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 10px;
}

.geo-price-tag .currency {
    font-size: 1rem;
    color: var(--brand-blue-light);
    font-weight: 500;
}

.geo-price-tag .amount {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--brand-blue-light), var(--brand-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.geo-price-tag .unit {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* =============================================
   Utility
   ============================================= */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-2 { margin-bottom: 2rem; }

/* Divider with gradient */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-default), transparent);
    margin: 0;
}

/* Glow line accent */
.accent-line {
    width: 40px;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
    margin: 1rem auto;
}

/* Trust badges row */
.trust-badges {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-subtle);
}

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

.trust-badge-icon {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.trust-badge-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* =============================================
   Stats Band - 数据条带（强化数字说服力）
   ============================================= */
.stats-band {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin: 3rem 0 0;
    padding: 2.5rem 2rem;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    position: relative;
    overflow: hidden;
}

.stats-band::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--grad-mesh);
    opacity: 0.6;
    pointer-events: none;
}

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

.stats-band-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -0.75rem;
    top: 20%;
    height: 60%;
    width: 1px;
    background: var(--border-default);
}

.stats-band-number {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--brand-blue-light), var(--brand-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.stats-band-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

@media (max-width: 768px) {
    .stats-band { grid-template-columns: repeat(2, 1fr); gap: 2rem 1rem; }
    .stats-band-item:not(:last-child)::after { display: none; }
}

/* =============================================
   Service Flow - 服务流程横向4步骤
   ============================================= */
.service-flow {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
    position: relative;
}

.service-flow::before {
    content: '';
    position: absolute;
    top: 36px;
    left: 8%;
    right: 8%;
    height: 2px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--border-active) 20%,
        var(--brand-blue) 50%,
        var(--border-active) 80%,
        transparent 100%);
    opacity: 0.4;
    z-index: 0;
}

.service-flow-step {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 0.5rem;
}

.service-flow-num {
    width: 72px;
    height: 72px;
    margin: 0 auto 1.2rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--bg-elevated), var(--bg-card));
    border: 1px solid var(--border-active);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--brand-blue-light);
    box-shadow: 0 0 0 6px var(--bg-base), 0 0 30px rgba(99, 102, 241, 0.2);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.service-flow-step:hover .service-flow-num {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 0 0 6px var(--bg-base), 0 0 50px rgba(99, 102, 241, 0.4);
    border-color: var(--brand-blue);
    color: var(--brand-cyan);
}

.service-flow-step h4 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.6rem;
}

.service-flow-step p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

@media (max-width: 900px) {
    .service-flow { grid-template-columns: repeat(2, 1fr); gap: 2.5rem 1.5rem; }
    .service-flow::before { display: none; }
}

@media (max-width: 480px) {
    .service-flow { grid-template-columns: 1fr; }
}

/* =============================================
   Value Proposition - 价值主张大块（左右双栏）
   ============================================= */
.value-prop {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin: 4rem 0;
}

.value-prop-reverse .value-prop-content { order: 2; }
.value-prop-reverse .value-prop-visual { order: 1; }

.value-prop-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 2.5px;
    color: var(--brand-cyan);
    padding: 0.4rem 0.9rem;
    border: 1px solid var(--border-active);
    border-radius: 100px;
    margin-bottom: 1.2rem;
    text-transform: uppercase;
    background: rgba(99, 102, 241, 0.05);
}

.value-prop h3 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 600;
    color: var(--text-title);
    line-height: 1.25;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.value-prop h3 span {
    background: linear-gradient(135deg, var(--brand-blue-light), var(--brand-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.value-prop p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.value-prop-list {
    list-style: none;
    display: grid;
    gap: 0.8rem;
}

.value-prop-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    color: var(--text-body);
    font-size: 0.95rem;
    line-height: 1.6;
}

.value-prop-list li::before {
    content: '▸';
    color: var(--brand-cyan);
    font-size: 1.1rem;
    flex-shrink: 0;
    line-height: 1.5;
}

.value-prop-visual {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: var(--card-radius);
    background: linear-gradient(135deg, var(--bg-elevated), var(--bg-card));
    border: 1px solid var(--border-default);
    padding: 2rem;
    overflow: hidden;
}

.value-prop-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--grad-mesh);
    opacity: 0.8;
    pointer-events: none;
}

.value-prop-visual-inner {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1rem;
}

.value-prop-visual-metric {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius-sm);
    padding: 1.2rem 1.4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

.value-prop-visual-metric:hover {
    border-color: var(--border-active);
    transform: translateX(4px);
}

.value-prop-visual-metric-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.value-prop-visual-metric-value {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--brand-cyan);
}

@media (max-width: 900px) {
    .value-prop { grid-template-columns: 1fr; gap: 2rem; }
    .value-prop-reverse .value-prop-content { order: 1; }
    .value-prop-reverse .value-prop-visual { order: 2; }
}

/* =============================================
   Industry Grid - 行业解决方案网格
   ============================================= */
.industry-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    margin-top: 3rem;
}

.industry-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius-sm);
    padding: 1.8rem 1.2rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.industry-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.06), transparent);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

.industry-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-active);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.15);
}

.industry-card:hover::before { opacity: 1; }

.industry-icon {
    font-size: 2.2rem;
    margin-bottom: 0.8rem;
    display: block;
}

.industry-name {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.4rem;
}

.industry-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.5;
}

@media (max-width: 1100px) {
    .industry-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 600px) {
    .industry-grid { grid-template-columns: repeat(2, 1fr); }
}

/* =============================================
   Case Study - 客户案例卡片
   ============================================= */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.case-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
    opacity: 0;
    transition: opacity 0.4s;
}

.case-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-active);
    box-shadow: var(--shadow-md);
}

.case-card:hover::before { opacity: 1; }

.case-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--brand-orange);
    padding: 0.3rem 0.7rem;
    background: rgba(249, 115, 22, 0.08);
    border: 1px solid rgba(249, 115, 22, 0.25);
    border-radius: 100px;
    margin-bottom: 1rem;
}

.case-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.6rem;
    line-height: 1.4;
}

.case-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.case-metric-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--border-subtle);
}

.case-metric-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--brand-blue-light), var(--brand-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 0.3rem;
}

.case-metric-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.3px;
}

.case-points {
    list-style: none;
    display: grid;
    gap: 0.55rem;
    margin: 0;
    padding: 0;
}

.case-points li {
    position: relative;
    padding-left: 1.2rem;
    font-size: 0.86rem;
    line-height: 1.65;
    color: var(--text-secondary);
}

.case-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-blue-light), var(--brand-cyan));
    box-shadow: 0 0 8px rgba(34, 211, 238, 0.4);
}

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

/* =============================================
   FAQ List - 常见问题列表
   ============================================= */
.faq-list {
    max-width: 800px;
    margin: 3rem auto 0;
    display: grid;
    gap: 1rem;
}

.faq-item {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius-sm);
    overflow: hidden;
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: var(--border-active);
}

.faq-item[open] {
    border-color: var(--border-active);
    background: rgba(99, 102, 241, 0.04);
}

.faq-question {
    padding: 1.3rem 1.6rem;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-title);
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
    user-select: none;
    transition: color 0.3s;
}

.faq-question::-webkit-details-marker { display: none; }

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--brand-blue-light);
    font-weight: 300;
    transition: transform 0.3s;
    line-height: 1;
}

.faq-item[open] .faq-question::after {
    transform: rotate(45deg);
    color: var(--brand-cyan);
}

.faq-answer {
    padding: 0 1.6rem 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.92rem;
}

/* =============================================
   Compare Table - 对比表格
   ============================================= */
.compare-table-wrap {
    margin-top: 3rem;
    overflow-x: auto;
    border-radius: var(--card-radius);
    border: 1px solid var(--border-default);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.compare-table th,
.compare-table td {
    padding: 1.2rem 1.4rem;
    text-align: left;
    border-bottom: 1px solid var(--border-subtle);
}

.compare-table th {
    background: rgba(99, 102, 241, 0.06);
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-title);
    letter-spacing: 0.5px;
}

.compare-table th:not(:first-child),
.compare-table td:not(:first-child) {
    text-align: center;
}

.compare-table th.highlight {
    color: var(--brand-cyan);
    background: rgba(34, 211, 238, 0.08);
}

.compare-table td {
    font-size: 0.9rem;
    color: var(--text-body);
}

.compare-table td:first-child {
    color: var(--text-secondary);
    font-weight: 500;
}

.compare-table tr:hover td {
    background: rgba(99, 102, 241, 0.03);
}

.compare-icon-yes {
    color: var(--brand-green);
    font-weight: 700;
    font-size: 1.1rem;
}

.compare-icon-no {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.compare-table tbody tr:last-child td {
    border-bottom: none;
}

/* =============================================
   Partner CTA - 代理商合作专属区
   ============================================= */
.partner-section {
    background:
        linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(249, 115, 22, 0.05)),
        var(--bg-primary);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.partner-section::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15), transparent 70%);
    pointer-events: none;
}

.partner-section::after {
    content: '';
    position: absolute;
    bottom: -200px;
    left: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.1), transparent 70%);
    pointer-events: none;
}

.partner-inner {
    position: relative;
    z-index: 1;
}

.partner-headline {
    text-align: center;
    margin-bottom: 3rem;
}

.partner-headline h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 700;
    color: var(--text-title);
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.partner-headline h2 span {
    background: linear-gradient(135deg, var(--brand-orange-light), var(--brand-gold));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.partner-headline p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.7;
}

.partner-benefits {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.partner-benefit {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.partner-benefit:hover {
    transform: translateY(-6px);
    border-color: var(--brand-orange);
    box-shadow: 0 12px 40px rgba(249, 115, 22, 0.15);
}

.partner-benefit-icon {
    font-size: 2.4rem;
    margin-bottom: 1rem;
    display: inline-block;
    width: 64px;
    height: 64px;
    line-height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.15), rgba(251, 191, 36, 0.1));
    border: 1px solid rgba(249, 115, 22, 0.25);
}

.partner-benefit h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.6rem;
}

.partner-benefit p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.partner-cta-actions {
    text-align: center;
}

@media (max-width: 900px) {
    .partner-benefits { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 500px) {
    .partner-benefits { grid-template-columns: 1fr; }
}

/* =============================================
   AI Coverage Grid - 12大AI收录展示
   ============================================= */
.ai-coverage-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.8rem;
    margin-top: 2rem;
}

.ai-coverage-item {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius-sm);
    padding: 1.2rem 0.8rem;
    text-align: center;
    transition: all 0.3s;
}

.ai-coverage-item:hover {
    border-color: var(--brand-cyan);
    background: rgba(34, 211, 238, 0.05);
    transform: translateY(-3px);
}

.ai-coverage-icon {
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
    display: block;
}

.ai-coverage-name {
    font-size: 0.78rem;
    color: var(--text-body);
    font-weight: 500;
    line-height: 1.4;
}

@media (max-width: 900px) {
    .ai-coverage-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 500px) {
    .ai-coverage-grid { grid-template-columns: repeat(3, 1fr); }
}

/* =============================================
   Use Case Card - 应用场景卡片（变体）
   ============================================= */
.usecase-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.usecase-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 2rem;
    display: flex;
    gap: 1.5rem;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.usecase-card:hover {
    border-color: var(--border-active);
    transform: translateX(4px);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.1);
}

.usecase-icon-box {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: var(--card-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(34, 211, 238, 0.1));
    border: 1px solid var(--border-active);
}

.usecase-body h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.5rem;
}

.usecase-body p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0.8rem;
}

.usecase-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.usecase-tag {
    font-size: 0.72rem;
    color: var(--brand-cyan);
    padding: 0.25rem 0.6rem;
    background: rgba(34, 211, 238, 0.08);
    border: 1px solid rgba(34, 211, 238, 0.2);
    border-radius: 100px;
    letter-spacing: 0.3px;
}

@media (max-width: 800px) {
    .usecase-grid { grid-template-columns: 1fr; }
    .usecase-card { flex-direction: column; gap: 1rem; }
}

/* =============================================
   Form success feedback
   ============================================= */
.form-success {
    display: none;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(34, 211, 238, 0.05));
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--card-radius-sm);
    padding: 1.5rem;
    text-align: center;
    color: var(--brand-green);
    font-weight: 500;
    margin-top: 1.5rem;
}

.form-success.show {
    display: block;
    animation: fadeUp 0.5s ease-out;
}

.form-success-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

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

/* =============================================
   V2 升级系统 - 去AI化 / 高级动效 / 细节质感
   ============================================= */

/* ---- 全局噪点纹理（细腻质感） ---- */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    mix-blend-mode: overlay;
}

/* ---- 字母徽章系统（替代emoji） ---- */
.icon-mono {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(34, 211, 238, 0.08));
    border: 1px solid var(--border-active);
    color: var(--brand-blue-light);
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.icon-mono::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 50%);
    pointer-events: none;
}

.icon-mono::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, 0.18) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.7s ease;
}

.icon-mono:hover::after {
    transform: translateX(100%);
}

.feature-card:hover .icon-mono,
.product-card:hover .icon-mono,
.usecase-card:hover .icon-mono,
.partner-benefit:hover .icon-mono {
    transform: translateY(-2px) scale(1.05);
    border-color: var(--brand-cyan);
    color: var(--brand-cyan);
    box-shadow: 0 8px 24px rgba(34, 211, 238, 0.2);
}

/* 字母徽章颜色变体 */
.icon-mono-orange {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.14), rgba(251, 191, 36, 0.08));
    border-color: rgba(249, 115, 22, 0.35);
    color: var(--brand-orange-light);
}
.icon-mono-cyan {
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.14), rgba(99, 102, 241, 0.08));
    border-color: rgba(34, 211, 238, 0.35);
    color: var(--brand-cyan);
}
.icon-mono-purple {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.14), rgba(99, 102, 241, 0.08));
    border-color: rgba(168, 85, 247, 0.35);
    color: var(--brand-purple);
}
.icon-mono-green {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.14), rgba(34, 211, 238, 0.08));
    border-color: rgba(16, 185, 129, 0.35);
    color: var(--brand-green);
}
.icon-mono-gold {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.16), rgba(249, 115, 22, 0.08));
    border-color: rgba(251, 191, 36, 0.35);
    color: var(--brand-gold);
}

/* 大号字母徽章 */
.icon-mono-lg {
    width: 64px;
    height: 64px;
    font-size: 1.4rem;
    border-radius: 16px;
}

/* ---- 渐变文字工具类 ---- */
.gradient-text {
    background: linear-gradient(135deg, var(--brand-blue-light) 0%, var(--brand-cyan) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% 100%;
    animation: gradient-flow 6s ease infinite;
}

.gradient-text-warm {
    background: linear-gradient(135deg, var(--brand-orange-light) 0%, var(--brand-gold) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

@keyframes gradient-flow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ---- 装饰元素 ---- */
.deco-line {
    display: inline-block;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
    margin-right: 0.8rem;
    vertical-align: middle;
    position: relative;
}

.deco-line::after {
    content: '';
    position: absolute;
    right: -4px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand-cyan);
    box-shadow: 0 0 12px var(--brand-cyan);
}

.deco-bracket {
    color: var(--brand-blue-light);
    font-family: var(--font-display);
    font-weight: 300;
    opacity: 0.6;
}

/* 标签胶囊 */
.label-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.9rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--brand-cyan);
    background: rgba(34, 211, 238, 0.06);
    border: 1px solid rgba(34, 211, 238, 0.2);
    border-radius: 100px;
    transition: all 0.3s;
}

.label-pill::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--brand-cyan);
    box-shadow: 0 0 6px var(--brand-cyan);
    animation: pulse-dot 2s ease-in-out infinite;
}

.label-pill:hover {
    background: rgba(34, 211, 238, 0.12);
    border-color: var(--brand-cyan);
}

.label-pill-warm {
    color: var(--brand-orange-light);
    background: rgba(249, 115, 22, 0.06);
    border-color: rgba(249, 115, 22, 0.25);
}

.label-pill-warm::before {
    background: var(--brand-orange-light);
    box-shadow: 0 0 6px var(--brand-orange-light);
}

/* ---- 高级按钮：光斑横扫 ---- */
.btn-shine {
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.btn-shine::after {
    content: '';
    position: absolute;
    top: 0;
    left: -120%;
    width: 80%;
    height: 100%;
    background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, 0.35) 50%, transparent 70%);
    transform: skewX(-20deg);
    transition: left 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: -1;
    pointer-events: none;
}

.btn-shine:hover::after {
    left: 120%;
}

/* ---- 3D 卡片倾斜效果 ---- */
.card-3d {
    transform-style: preserve-3d;
    perspective: 1000px;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-3d-inner {
    transform-style: preserve-3d;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---- 悬浮抬起 ---- */
.hover-lift {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s, border-color 0.4s;
}

.hover-lift:hover {
    transform: translateY(-6px);
}

/* ---- 链接动画下划线 ---- */
.link-underline {
    position: relative;
    display: inline-block;
}

.link-underline::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.link-underline:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* ---- 大数字水印 ---- */
.section-watermark {
    position: absolute;
    top: 0;
    right: 2rem;
    font-family: var(--font-display);
    font-size: clamp(8rem, 14vw, 14rem);
    font-weight: 800;
    color: rgba(255, 255, 255, 0.018);
    line-height: 0.8;
    pointer-events: none;
    user-select: none;
    z-index: 0;
    letter-spacing: -0.05em;
}

/* ---- 数字标签（带方括号装饰） ---- */
.num-mark {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--brand-cyan);
    letter-spacing: 1px;
}

.num-mark::before {
    content: '[';
    color: var(--brand-blue);
    font-weight: 300;
}

.num-mark::after {
    content: ']';
    color: var(--brand-blue);
    font-weight: 300;
}

/* ---- 标题前置标记 ---- */
.title-with-marker {
    position: relative;
    padding-left: 1.2rem;
}

.title-with-marker::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 70%;
    background: linear-gradient(180deg, var(--brand-blue), var(--brand-cyan));
    border-radius: 2px;
    box-shadow: 0 0 12px rgba(99, 102, 241, 0.4);
}

/* ---- 高级动效关键帧 ---- */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes float-y {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes scale-in {
    from { opacity: 0; transform: scale(0.92); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes slide-up-fade {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes border-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes orbit {
    from { transform: rotate(0deg) translateX(40px) rotate(0deg); }
    to { transform: rotate(360deg) translateX(40px) rotate(-360deg); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4); }
    50% { box-shadow: 0 0 0 12px rgba(99, 102, 241, 0); }
}

@keyframes wave {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(-25%); }
}

/* ---- 滚动条增强 ---- */
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--brand-blue), var(--brand-blue-dark));
    border-radius: 4px;
    border: 2px solid var(--bg-base);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--brand-blue-light), var(--brand-cyan));
}

/* ---- 文字选中增强 ---- */
::selection {
    background: rgba(34, 211, 238, 0.25);
    color: var(--text-title);
    text-shadow: 0 0 8px rgba(34, 211, 238, 0.4);
}

/* ---- 增强版 feature-card（带角装饰+数字标识） ---- */
.feature-card-v2 {
    background: var(--bg-glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 2.2rem 1.8rem;
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-card-v2::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--brand-blue), var(--brand-cyan), transparent);
    opacity: 0;
    transition: opacity 0.4s;
}

.feature-card-v2::after {
    content: '';
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    width: 28px;
    height: 28px;
    border-top: 1px solid var(--border-default);
    border-right: 1px solid var(--border-default);
    transition: all 0.4s;
}

.feature-card-v2:hover {
    transform: translateY(-8px);
    border-color: var(--border-active);
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.15), 0 0 0 1px rgba(99, 102, 241, 0.1);
}

.feature-card-v2:hover::before { opacity: 1; }

.feature-card-v2:hover::after {
    width: 36px;
    height: 36px;
    border-color: var(--brand-cyan);
    box-shadow: 0 0 16px rgba(34, 211, 238, 0.2);
}

.feature-card-v2-num {
    position: absolute;
    bottom: 1rem;
    right: 1.4rem;
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.025);
    line-height: 1;
    pointer-events: none;
    transition: color 0.4s;
}

.feature-card-v2:hover .feature-card-v2-num {
    color: rgba(34, 211, 238, 0.08);
}

/* ---- 增强版 tier-card（带光泽流动） ---- */
.tier-card-v2 {
    background: var(--bg-glass);
    backdrop-filter: blur(24px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 2.4rem 2rem;
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.tier-card-v2::before {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 80%;
    height: 200%;
    background: linear-gradient(115deg, transparent 40%, rgba(99, 102, 241, 0.06) 50%, transparent 60%);
    transform: rotate(15deg);
    transition: transform 0.8s ease;
    pointer-events: none;
}

.tier-card-v2:hover::before {
    transform: rotate(15deg) translate(200%, 0);
}

.tier-card-v2.featured {
    border-color: var(--border-active);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.06), rgba(34, 211, 238, 0.03));
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.08);
}

.tier-card-v2.featured::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan), var(--brand-blue));
    background-size: 200% 100%;
    animation: shimmer 4s linear infinite;
}

/* ---- 增强版 product-card（带渐变描边） ---- */
.product-card-v2 {
    background: var(--bg-glass);
    backdrop-filter: blur(24px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 2.2rem;
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    display: block;
}

.product-card-v2::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--card-radius);
    padding: 1px;
    background: linear-gradient(135deg, transparent, var(--brand-blue), var(--brand-cyan), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

.product-card-v2:hover::before {
    opacity: 1;
}

.product-card-v2:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.15);
}

/* ---- 标题渐变下划线 ---- */
.section-title-underline {
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
}

.section-title-underline::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
    border-radius: 2px;
    box-shadow: 0 0 16px rgba(34, 211, 238, 0.4);
}

/* ---- 鼠标跟随光斑（需JS配合设置 --mx --my 变量） ---- */
.glow-spot {
    position: relative;
    overflow: hidden;
}

.glow-spot::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12), transparent 70%);
    left: var(--mx, 50%);
    top: var(--my, 50%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}

.glow-spot:hover::before {
    opacity: 1;
}

/* ---- 增强版 Hero 标题（带渐变流动） ---- */
.hero-title-v2 {
    font-family: var(--font-display);
    font-size: clamp(2.6rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: var(--text-title);
    margin-bottom: 1.8rem;
    position: relative;
}

.hero-title-v2 .accent {
    background: linear-gradient(135deg, var(--brand-blue-light) 0%, var(--brand-cyan) 50%, var(--brand-blue-light) 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-flow 8s ease infinite;
    display: inline-block;
}

.hero-title-v2 .accent-warm {
    background: linear-gradient(135deg, var(--brand-orange-light) 0%, var(--brand-gold) 50%, var(--brand-orange-light) 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-flow 8s ease infinite;
    display: inline-block;
}

/* ---- 打字机光标 ---- */
.typing-cursor::after {
    content: '|';
    color: var(--brand-cyan);
    animation: blink 1s step-end infinite;
    font-weight: 300;
    margin-left: 2px;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* ---- 数据条带数字增强 ---- */
.stats-band-number-v2 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4.5vw, 3.2rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--brand-blue-light) 0%, var(--brand-cyan) 50%, var(--brand-blue-light) 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 0.5rem;
    letter-spacing: -0.03em;
    animation: gradient-flow 5s ease infinite;
    position: relative;
}

/* ---- 浮动徽章（带轨道动画） ---- */
.float-badge {
    animation: float-y 6s ease-in-out infinite;
}

/* ---- 玻璃态分隔线 ---- */
.glass-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-default), transparent);
    margin: 4rem 0;
}

/* ---- 进度环装饰 ---- */
.progress-ring {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.progress-ring::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px dashed var(--border-active);
    animation: border-rotate 20s linear infinite;
}

/* ---- 文字描边效果 ---- */
.text-outline {
    -webkit-text-stroke: 1px var(--brand-blue-light);
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* ---- 滚动揭示动画变体 ---- */
.reveal-scale {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.visible {
    opacity: 1;
    transform: scale(1);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ---- 字母轮播Logo墙 ---- */
.logo-letter-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.8rem;
    margin-top: 2rem;
}

.logo-letter {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-default);
    border-radius: 12px;
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-secondary);
    background: var(--bg-glass);
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.logo-letter::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), transparent);
    opacity: 0;
    transition: opacity 0.4s;
}

.logo-letter:hover {
    color: var(--brand-cyan);
    border-color: var(--border-active);
    transform: translateY(-3px);
}

.logo-letter:hover::before {
    opacity: 1;
}

@media (max-width: 900px) {
    .logo-letter-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 500px) {
    .logo-letter-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---- 滚动条隐藏（针对横向滚动区） ---- */
.scroll-x-hidden::-webkit-scrollbar { display: none; }
.scroll-x-hidden { -ms-overflow-style: none; scrollbar-width: none; }

/* ---- 标签组（多标签横排） ---- */
.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.8rem;
}

.tag-mini {
    font-size: 0.7rem;
    color: var(--text-muted);
    padding: 0.2rem 0.55rem;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    letter-spacing: 0.3px;
    transition: all 0.3s;
}

.tag-mini:hover {
    color: var(--brand-cyan);
    border-color: var(--border-active);
    background: rgba(34, 211, 238, 0.05);
}

/* ---- 价格大数字增强 ---- */
.tier-price-amount-v2 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4vw, 3rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-title), var(--brand-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    letter-spacing: -0.03em;
}

/* ---- 引用块 ---- */
.quote-block {
    position: relative;
    padding: 1.5rem 1.5rem 1.5rem 2.5rem;
    background: var(--bg-glass);
    border-radius: var(--card-radius-sm);
    border: 1px solid var(--border-default);
    border-left: 3px solid var(--brand-cyan);
    color: var(--text-body);
    font-size: 0.95rem;
    line-height: 1.8;
}

.quote-block::before {
    content: '"';
    position: absolute;
    top: 0.5rem;
    left: 0.8rem;
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--brand-cyan);
    opacity: 0.3;
    line-height: 1;
}

/* ---- 旋转加载点 ---- */
.dot-loader {
    display: inline-flex;
    gap: 4px;
    align-items: center;
}

.dot-loader span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand-cyan);
    animation: dot-bounce 1.4s ease-in-out infinite both;
}

.dot-loader span:nth-child(1) { animation-delay: -0.32s; }
.dot-loader span:nth-child(2) { animation-delay: -0.16s; }

@keyframes dot-bounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}

/* ---- Footer 增强细节 ---- */
.site-footer {
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--brand-blue), transparent);
    opacity: 0.6;
}

.footer-brand-name {
    position: relative;
    display: inline-block;
    padding-left: 0.5rem;
}

.footer-brand-name::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 70%;
    background: linear-gradient(180deg, var(--brand-blue), var(--brand-cyan));
    border-radius: 2px;
}

/* ---- 服务流程步骤连线动画增强 ---- */
.service-flow-step .service-flow-num {
    position: relative;
}

.service-flow-step .service-flow-num::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1px solid var(--border-active);
    opacity: 0;
    transition: opacity 0.4s, transform 0.4s;
}

.service-flow-step:hover .service-flow-num::before {
    opacity: 1;
    transform: scale(1.1);
    animation: pulse-glow 2s ease-in-out infinite;
}

/* ---- 输入框增强 ---- */
.form-input, .form-select, .form-textarea {
    transition: all 0.3s;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--brand-cyan);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.1);
    background: rgba(34, 211, 238, 0.02);
}

/* ---- 数据条带分隔线动画 ---- */
.stats-band-item {
    transition: transform 0.4s;
}

.stats-band-item:hover {
    transform: translateY(-4px);
}

/* ---- 全站统一减少动画偏好 ---- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* =============================================
   V3 排版精修 + 打破雷同系统
   ============================================= */

/* ---- 排版工具类 ---- */
.text-eyebrow {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 3.5px;
    text-transform: uppercase;
    color: var(--brand-cyan);
    margin-bottom: 1.2rem;
}

.text-display {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5vw, 4.2rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.035em;
    color: var(--text-title);
    text-wrap: balance;
}

.text-lead {
    font-size: 1.08rem;
    font-weight: 300;
    line-height: 1.9;
    color: var(--text-secondary);
    text-wrap: pretty;
    max-width: 65ch;
}

.text-caption {
    font-size: 0.82rem;
    font-weight: 400;
    color: var(--text-muted);
    letter-spacing: 0.3px;
    line-height: 1.7;
}

.text-mono {
    font-family: 'SF Mono', 'JetBrains Mono', 'Consolas', monospace;
    letter-spacing: -0.01em;
    font-feature-settings: 'tnum';
}

.text-balance { text-wrap: balance; }
.text-pretty { text-wrap: pretty; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* 字重工具 */
.fw-light { font-weight: 300; }
.fw-regular { font-weight: 400; }
.fw-medium { font-weight: 500; }
.fw-semibold { font-weight: 600; }
.fw-bold { font-weight: 700; }
.fw-black { font-weight: 800; }

/* 间距工具 */
.mt-xs { margin-top: 0.5rem; }
.mt-sm { margin-top: 1rem; }
.mt-md { margin-top: 1.5rem; }
.mt-lg { margin-top: 2.5rem; }
.mt-xl { margin-top: 4rem; }
.mb-xs { margin-bottom: 0.5rem; }
.mb-sm { margin-bottom: 1rem; }
.mb-md { margin-bottom: 1.5rem; }
.mb-lg { margin-bottom: 2.5rem; }
.mb-xl { margin-bottom: 4rem; }

/* ---- Section 变体（打破雷同的间距节奏） ---- */
.section-tight { padding: 4rem 0; }
.section-spacious { padding: 7rem 0; }
.section-asymmetric { padding: 5rem 0 7rem; }

/* 左对齐 section header */
.section-header-left {
    text-align: left;
    max-width: 720px;
    margin-bottom: 3rem;
}

.section-header-left .accent-line {
    margin-left: 0;
}

.section-header-left::after {
    content: '';
    display: block;
    width: 1px;
    height: 60px;
    background: linear-gradient(180deg, var(--brand-cyan), transparent);
    margin: 2rem 0 0;
}

/* 行内 section header（标题与描述同一行） */
.section-header-inline {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 3rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.section-header-inline > div:first-child {
    flex: 1;
    min-width: 280px;
}

.section-header-inline .section-aside {
    max-width: 360px;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.8;
    padding-bottom: 0.5rem;
}

/* ---- Bento Grid（不等高网格，打破雷同） ---- */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.2rem;
    margin-top: 3rem;
}

.bento-item {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 2rem;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.bento-item:hover {
    border-color: var(--border-active);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(99, 102, 241, 0.12);
}

.bento-item-large { grid-column: span 3; grid-row: span 2; }
.bento-item-wide { grid-column: span 2; }
.bento-item-tall { grid-row: span 2; }
.bento-item-feature { grid-column: span 4; }

.bento-item-large {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(34, 211, 238, 0.04));
    border-color: var(--border-active);
}

.bento-item-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan), transparent);
}

@media (max-width: 1024px) {
    .bento-grid { grid-template-columns: repeat(4, 1fr); }
    .bento-item-large { grid-column: span 4; grid-row: span 1; }
    .bento-item-feature { grid-column: span 4; }
}

@media (max-width: 700px) {
    .bento-grid { grid-template-columns: 1fr; gap: 1rem; }
    .bento-item-large, .bento-item-wide, .bento-item-tall, .bento-item-feature {
        grid-column: span 1; grid-row: span 1;
    }
}

/* ---- Feature Card 变体（打破雷同） ---- */

/* 水平布局变体（图标左，文字右） */
.feature-card-horizontal {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 1.8rem;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.feature-card-horizontal:hover {
    border-color: var(--border-active);
    transform: translateX(4px);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.12);
}

.feature-card-horizontal .feature-icon {
    flex-shrink: 0;
    margin-bottom: 0;
}

.feature-card-horizontal .feature-body {
    flex: 1;
    min-width: 0;
}

.feature-card-horizontal .feature-title {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}

.feature-card-horizontal .feature-desc {
    font-size: 0.88rem;
    line-height: 1.7;
    margin-bottom: 0;
}

/* 极简变体（无图标，大数字+标题+描述） */
.feature-card-minimal {
    background: transparent;
    border: none;
    border-left: 1px solid var(--border-default);
    padding: 0.5rem 0 0.5rem 1.8rem;
    transition: all 0.4s;
    position: relative;
}

.feature-card-minimal::before {
    content: '';
    position: absolute;
    left: -1px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, var(--brand-blue), var(--brand-cyan));
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-card-minimal:hover::before {
    transform: scaleY(1);
}

.feature-card-minimal:hover {
    padding-left: 2rem;
}

.feature-card-minimal .feature-num {
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--brand-cyan);
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.feature-card-minimal .feature-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
    color: var(--text-title);
}

.feature-card-minimal .feature-desc {
    font-size: 0.9rem;
    line-height: 1.75;
    color: var(--text-secondary);
}

/* 引用型变体 */
.feature-card-quote {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.04), rgba(34, 211, 238, 0.02));
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 2rem 2rem 1.5rem;
    position: relative;
    transition: all 0.5s;
}

.feature-card-quote::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 1.5rem;
    font-family: var(--font-display);
    font-size: 4rem;
    color: var(--brand-blue);
    opacity: 0.4;
    line-height: 1;
    font-weight: 700;
}

.feature-card-quote:hover {
    border-color: var(--border-active);
    transform: translateY(-4px);
}

.feature-card-quote-text {
    font-size: 0.98rem;
    line-height: 1.85;
    color: var(--text-body);
    font-style: italic;
    margin-bottom: 1.2rem;
}

.feature-card-quote-author {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-subtle);
}

.feature-card-quote-author-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-title);
}

.feature-card-quote-author-role {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ---- 杂志式布局（1大2小） ---- */
.magazine-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
}

.magazine-feature {
    grid-row: span 2;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(34, 211, 238, 0.04));
    border: 1px solid var(--border-active);
    border-radius: var(--card-radius);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.5s;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 360px;
}

.magazine-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
}

.magazine-feature:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.15);
}

.magazine-feature-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--brand-cyan);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.magazine-feature h3 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-title);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.magazine-feature p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.magazine-feature-metric {
    display: flex;
    gap: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-subtle);
}

.magazine-feature-metric-item {
    flex: 1;
}

.magazine-feature-metric-value {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--brand-blue-light), var(--brand-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 0.3rem;
}

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

.magazine-side {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 1.8rem;
    transition: all 0.5s;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.magazine-side:hover {
    border-color: var(--border-active);
    transform: translateY(-4px);
}

.magazine-side h4 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.6rem;
}

.magazine-side p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.magazine-side-metric {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--brand-cyan);
}

@media (max-width: 900px) {
    .magazine-grid { grid-template-columns: 1fr; }
    .magazine-feature { grid-row: span 1; min-height: auto; }
}

/* ---- 垂直时间线（替代横向 service-flow 的雷同） ---- */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 3rem auto 0;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg,
        transparent 0%,
        var(--brand-blue) 10%,
        var(--brand-cyan) 50%,
        var(--brand-blue) 90%,
        transparent 100%);
    opacity: 0.5;
}

.timeline-item {
    position: relative;
    padding-bottom: 2.5rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -2rem;
    top: 0.3rem;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-base);
    border: 2px solid var(--brand-cyan);
    box-shadow: 0 0 0 4px var(--bg-base), 0 0 20px rgba(34, 211, 238, 0.4);
    transition: all 0.4s;
}

.timeline-item:hover .timeline-dot {
    background: var(--brand-cyan);
    box-shadow: 0 0 0 4px var(--bg-base), 0 0 30px rgba(34, 211, 238, 0.6);
    transform: scale(1.2);
}

.timeline-step {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--brand-cyan);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
}

.timeline-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.6rem;
    letter-spacing: -0.01em;
}

.timeline-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 60ch;
}

/* ---- Tier Card 变体 ---- */

/* 紧凑型（适合4列布局） */
.tier-card-compact {
    padding: 1.8rem 1.5rem;
}

.tier-card-compact .tier-price-amount {
    font-size: 2rem;
}

.tier-card-compact .tier-features li {
    font-size: 0.85rem;
    padding: 0.4rem 0;
}

/* 聚光型（featured升级版） */
.tier-card-spotlight {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(34, 211, 238, 0.05));
    border: 1px solid var(--border-active);
    box-shadow:
        0 0 40px rgba(99, 102, 241, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    position: relative;
}

.tier-card-spotlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        transparent,
        var(--brand-blue),
        var(--brand-cyan),
        var(--brand-blue),
        transparent);
    background-size: 200% 100%;
    animation: shimmer 4s linear infinite;
}

.tier-card-spotlight::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--card-radius);
    background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.1), transparent 60%);
    pointer-events: none;
}

/* ---- 标题装饰变体 ---- */
.title-deco-bracket {
    position: relative;
    display: inline-block;
    padding: 0 1.5rem;
}

.title-deco-bracket::before,
.title-deco-bracket::after {
    font-family: var(--font-display);
    color: var(--brand-blue-light);
    font-weight: 200;
    font-size: 1.2em;
    opacity: 0.5;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

.title-deco-bracket::before { content: '['; left: 0; }
.title-deco-bracket::after { content: ']'; right: 0; }

.title-deco-dot {
    position: relative;
    padding-left: 1.5rem;
}

.title-deco-dot::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--brand-cyan);
    box-shadow: 0 0 12px var(--brand-cyan);
}

/* ---- 大数字装饰（巨型背景数字） ---- */
.big-number-deco {
    position: absolute;
    font-family: var(--font-display);
    font-size: clamp(10rem, 22vw, 20rem);
    font-weight: 800;
    color: rgba(255, 255, 255, 0.015);
    line-height: 0.8;
    pointer-events: none;
    user-select: none;
    z-index: 0;
    letter-spacing: -0.08em;
}

/* ---- Section 装饰：右上角角标 ---- */
.section-corner-mark {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.6;
    z-index: 1;
}

.section-corner-mark::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 1px;
    background: var(--text-muted);
    vertical-align: middle;
    margin-right: 0.6rem;
}

/* ---- 引导卡片（横向 + 数字 + 描述） ---- */
.guide-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 1.8rem;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1.5rem;
    align-items: center;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.guide-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--brand-blue), var(--brand-cyan));
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.guide-card:hover {
    border-color: var(--border-active);
    background: rgba(99, 102, 241, 0.03);
    padding-left: 2rem;
}

.guide-card:hover::before {
    transform: scaleY(1);
}

.guide-card-num {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--brand-cyan);
    line-height: 1;
    letter-spacing: -0.03em;
    min-width: 50px;
}

.guide-card-body h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.4rem;
}

.guide-card-body p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

.guide-card-arrow {
    color: var(--text-muted);
    font-size: 1.4rem;
    transition: all 0.4s;
}

.guide-card:hover .guide-card-arrow {
    color: var(--brand-cyan);
    transform: translateX(6px);
}

@media (max-width: 700px) {
    .guide-card { grid-template-columns: auto 1fr; }
    .guide-card-arrow { display: none; }
}

/* ---- 紧凑 feature list（用列表风格替代卡片网格） ---- */
.feature-list-compact {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    margin-top: 3rem;
    border-top: 1px solid var(--border-subtle);
    border-left: 1px solid var(--border-subtle);
}

.feature-list-item {
    padding: 1.8rem;
    border-right: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    transition: all 0.4s;
    position: relative;
}

.feature-list-item:hover {
    background: rgba(99, 102, 241, 0.03);
}

.feature-list-item-num {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--brand-cyan);
    letter-spacing: 2px;
    margin-bottom: 0.6rem;
}

.feature-list-item h4 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.5rem;
}

.feature-list-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

@media (max-width: 700px) {
    .feature-list-compact { grid-template-columns: 1fr; }
}

/* ---- Hero 变体：左对齐 Hero ---- */
.hero-left {
    text-align: left;
}

.hero-left .hero-content {
    text-align: left;
    margin-left: 0;
    margin-right: auto;
}

.hero-left .hero-actions {
    justify-content: flex-start;
}

.hero-left .hero-stats {
    justify-content: flex-start;
}

/* ---- Hero 变体：分屏 Hero（左右两栏） ---- */
.hero-split {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 70vh;
}

.hero-split-content {
    text-align: left;
}

.hero-split-content .hero-actions {
    justify-content: flex-start;
}

.hero-split-visual {
    position: relative;
    aspect-ratio: 1;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(34, 211, 238, 0.04));
    border: 1px solid var(--border-active);
    border-radius: var(--card-radius);
    padding: 2rem;
    overflow: hidden;
}

.hero-split-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--grad-mesh);
    opacity: 0.6;
}

.hero-split-visual-inner {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
}

@media (max-width: 900px) {
    .hero-split { grid-template-columns: 1fr; gap: 2rem; min-height: auto; }
}

/* ---- 数据展示变体（不等宽） ---- */
.stats-asymmetric {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 1.5rem;
    margin: 3rem 0 0;
}

.stats-asymmetric-item {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 2rem;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.stats-asymmetric-item:first-child {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(34, 211, 238, 0.04));
    border-color: var(--border-active);
    padding: 2.5rem;
}

.stats-asymmetric-item:first-child::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan), transparent);
}

.stats-asymmetric-item:hover {
    transform: translateY(-4px);
    border-color: var(--border-active);
}

.stats-asymmetric-item:first-child .stats-band-number-v2 {
    font-size: clamp(2.8rem, 5vw, 3.8rem);
}

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

@media (max-width: 500px) {
    .stats-asymmetric { grid-template-columns: 1fr; }
    .stats-asymmetric-item:first-child { grid-column: span 1; }
}

/* ---- 不等宽产品网格（前2大后4小） ---- */
.product-grid-asymmetric {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.product-grid-asymmetric .product-card-v2:nth-child(1),
.product-grid-asymmetric .product-card-v2:nth-child(2) {
    grid-column: span 2;
    min-height: 280px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.06), rgba(34, 211, 238, 0.03));
    border-color: var(--border-active);
}

.product-grid-asymmetric .product-card-v2:nth-child(1)::before,
.product-grid-asymmetric .product-card-v2:nth-child(2)::before {
    opacity: 1;
}

@media (max-width: 900px) {
    .product-grid-asymmetric { grid-template-columns: 1fr; }
    .product-grid-asymmetric .product-card-v2:nth-child(1),
    .product-grid-asymmetric .product-card-v2:nth-child(2) {
        grid-column: span 1;
    }
}

/* ---- 引导步骤区（左侧标题 + 右侧卡片栈） ---- */
.split-guide {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 4rem;
    align-items: start;
    margin: 4rem 0;
}

.split-guide-aside {
    position: sticky;
    top: 100px;
}

.split-guide-aside h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    color: var(--text-title);
    line-height: 1.2;
    margin-bottom: 1.2rem;
    letter-spacing: -0.02em;
}

.split-guide-aside p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.95rem;
}

.split-guide-main {
    display: grid;
    gap: 1rem;
}

@media (max-width: 900px) {
    .split-guide { grid-template-columns: 1fr; gap: 2rem; }
    .split-guide-aside { position: static; }
}

/* ---- 极简卡片（仅标题+描述+箭头） ---- */
.mini-card {
    background: transparent;
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius-sm);
    padding: 1.4rem 1.6rem;
    transition: all 0.4s;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.mini-card:hover {
    border-color: var(--border-active);
    background: rgba(99, 102, 241, 0.03);
    transform: translateX(4px);
}

.mini-card-body {
    flex: 1;
}

.mini-card-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.3rem;
}

.mini-card-desc {
    font-size: 0.83rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.mini-card-arrow {
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: all 0.4s;
}

.mini-card:hover .mini-card-arrow {
    color: var(--brand-cyan);
    transform: translateX(4px);
}

/* ---- 行内标签云（替代统一卡片） ---- */
.tag-cloud-section {
    text-align: center;
    padding: 2rem 0;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
    margin-top: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.tag-cloud-item {
    padding: 0.6rem 1.2rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-default);
    border-radius: 100px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    transition: all 0.3s;
    cursor: default;
}

.tag-cloud-item:hover {
    color: var(--brand-cyan);
    border-color: var(--border-active);
    background: rgba(34, 211, 238, 0.05);
    transform: translateY(-2px);
}

.tag-cloud-item-lg {
    font-size: 1.05rem;
    padding: 0.7rem 1.4rem;
    color: var(--brand-cyan);
    border-color: var(--border-active);
}

/* ---- Section 编号（左侧大数字） ---- */
.section-numbered {
    position: relative;
    padding-left: 5rem;
}

.section-numbered::before {
    content: attr(data-num);
    position: absolute;
    left: 0;
    top: 0;
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--brand-blue-light), var(--brand-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    letter-spacing: -0.04em;
    opacity: 0.4;
}

@media (max-width: 700px) {
    .section-numbered { padding-left: 0; }
    .section-numbered::before {
        position: static;
        display: block;
        margin-bottom: 1rem;
        font-size: 2.5rem;
    }
}

/* ---- 极简列表（带前缀短横线） ---- */
.dash-list {
    list-style: none;
    display: grid;
    gap: 0.8rem;
}

.dash-list li {
    display: flex;
    gap: 1rem;
    color: var(--text-body);
    font-size: 0.92rem;
    line-height: 1.7;
    padding-left: 1.5rem;
    position: relative;
}

.dash-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7rem;
    width: 12px;
    height: 1px;
    background: var(--brand-cyan);
}

/* ---- Section 引言式标题 ---- */
.section-intro {
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
}

.section-intro-quote {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 2.5vw, 1.9rem);
    font-weight: 300;
    line-height: 1.5;
    color: var(--text-title);
    letter-spacing: -0.01em;
    font-style: italic;
    position: relative;
    padding: 0 2rem;
}

.section-intro-quote::before,
.section-intro-quote::after {
    color: var(--brand-blue-light);
    font-weight: 200;
    font-size: 1.5em;
    opacity: 0.4;
    font-style: normal;
}

.section-intro-quote::before { content: '"'; margin-right: 0.2rem; }
.section-intro-quote::after { content: '"'; margin-left: 0.2rem; }

.section-intro-author {
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* ---- 双列对比卡 ---- */
.dual-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
}

.dual-card-item {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 2.2rem;
    transition: all 0.5s;
    position: relative;
}

.dual-card-item-featured {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(34, 211, 238, 0.04));
    border-color: var(--border-active);
}

.dual-card-item:hover {
    transform: translateY(-4px);
    border-color: var(--border-active);
}

@media (max-width: 700px) {
    .dual-card { grid-template-columns: 1fr; }
}

/* =============================================
   Contact 变体（打破雷同）
   - contact-grid-asymmetric：第1卡跨2列突出
   - contact-card-large：大卡（更高+accent装饰）
   - contact-card-tagline：副标题文字
   - contact-grid-spotlight：聚光型网格（中间卡突出）
   - contact-card-spotlight：聚光卡（渐变背景+光晕）
   ============================================= */

/* 不等宽：第1卡跨2列，其余2卡各1列（3列网格） */
.contact-grid-asymmetric {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
    align-items: stretch;
}

.contact-grid-asymmetric .contact-card-large {
    grid-column: span 2;
    text-align: left;
    padding: 2.6rem 2.4rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(34, 211, 238, 0.025));
    border-color: rgba(99, 102, 241, 0.2);
    position: relative;
    overflow: hidden;
}

.contact-grid-asymmetric .contact-card-large::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 80px; height: 3px;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
}

.contact-grid-asymmetric .contact-card-large .contact-card-icon {
    margin-bottom: 1.2rem;
}

.contact-grid-asymmetric .contact-card-large .contact-title {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    font-size: 1.5rem;
    margin-bottom: 0.6rem;
}

.contact-grid-asymmetric .contact-card-large .contact-info {
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.7rem 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
}

.contact-grid-asymmetric .contact-card-large .contact-info:last-child {
    border-bottom: none;
}

.contact-card-tagline {
    font-size: 0.82rem;
    color: var(--brand-cyan);
    font-weight: 400;
    letter-spacing: 0.5px;
    margin-bottom: 1.2rem;
    line-height: 1.6;
    opacity: 0.85;
}

@media (max-width: 900px) {
    .contact-grid-asymmetric { grid-template-columns: 1fr; }
    .contact-grid-asymmetric .contact-card-large { grid-column: span 1; }
}

/* 聚光型：中间卡突出（用 spotlight 卡片样式） */
.contact-grid-spotlight {
    grid-template-columns: 1fr 1.2fr 1fr;
    gap: 1.8rem;
    align-items: stretch;
}

.contact-card-spotlight {
    text-align: left;
    padding: 2.4rem;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.08), rgba(99, 102, 241, 0.04));
    border-color: rgba(168, 85, 247, 0.25);
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 40px rgba(168, 85, 247, 0.1);
}

.contact-card-spotlight::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-purple), var(--brand-blue), var(--brand-purple));
    background-size: 200% 100%;
    animation: shimmer 4s linear infinite;
}

.contact-card-spotlight::after {
    content: '';
    position: absolute;
    bottom: -80px;
    right: -80px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.15), transparent 70%);
    pointer-events: none;
}

.contact-card-spotlight .contact-card-icon {
    margin-bottom: 1.2rem;
}

.contact-card-spotlight .contact-title {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    font-size: 1.4rem;
    margin-bottom: 0.6rem;
}

.contact-card-spotlight .contact-info {
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
}

.contact-card-spotlight .contact-info:last-child {
    border-bottom: none;
}

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

/* =============================================
   Quick Entry Grid (按产品选入口)
   ============================================= */
.entry-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
}

.entry-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: 1.5rem 1rem;
    text-align: center;
    text-decoration: none;
    display: block;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.entry-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.08), transparent 60%);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

.entry-card:hover {
    transform: translateY(-6px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
}

.entry-card:hover::after { opacity: 1; }

.entry-card-cyan:hover { border-color: rgba(34, 211, 238, 0.4); box-shadow: 0 14px 40px rgba(34, 211, 238, 0.18); }
.entry-card-orange:hover { border-color: rgba(249, 115, 22, 0.4); box-shadow: 0 14px 40px rgba(249, 115, 22, 0.18); }
.entry-card-purple:hover { border-color: rgba(168, 85, 247, 0.4); box-shadow: 0 14px 40px rgba(168, 85, 247, 0.18); }
.entry-card-gold:hover { border-color: rgba(251, 191, 36, 0.4); box-shadow: 0 14px 40px rgba(251, 191, 36, 0.18); }

.entry-card-icon {
    margin-bottom: 0.8rem;
    display: flex;
    justify-content: center;
}

.entry-card-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.entry-card-cta {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.4;
    font-weight: 500;
    transition: color 0.3s;
}

.entry-card-cyan:hover .entry-card-cta { color: var(--brand-cyan, #22d3ee); }
.entry-card-orange:hover .entry-card-cta { color: var(--brand-orange); }
.entry-card-purple:hover .entry-card-cta { color: #a855f7; }
.entry-card-gold:hover .entry-card-cta { color: #fbbf24; }

@media (max-width: 1100px) {
    .entry-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 700px) {
    .entry-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 420px) {
    .entry-grid { grid-template-columns: 1fr; }
}

/* contact section inline header 排版微调 */
.section-header-inline .text-eyebrow {
    display: block;
    margin-bottom: 0.6rem;
}

/* section-intro 引言：精修 */
.section-intro .text-lead {
    color: var(--text-secondary);
    font-weight: 300;
}

/* contact section 配色：contact-card text-align 默认居中（基础），变体类内单独覆盖 */

/* =============================================
   HERO 极简黑金风（Minimal Gold）
   - 极简主义：纯黑/炭灰 + 香槟金/琥珀金
   - 散焦极光：左上角金色极光缓慢呼吸
   - 慢速丝带：3条金色丝带漂浮
   - 边框晕影：上下深色晕影增加质感
   - 金色主标题 + 白色副标题 + 金色按钮
   - 底部 AI 平台跑马灯
   ============================================= */

/* Gold Color Tokens */
:root {
    --gold-50: #FBF6E8;
    --gold-100: #F4E8C5;
    --gold-200: #E8D49A;
    --gold-300: #D4B870;
    --gold-400: #C19A4B;
    --gold-500: #B8862E;
    --gold-600: #9A6E1F;
    --gold-700: #6F4F15;
    --gold-glow: rgba(212, 184, 112, 0.4);
    --gold-glow-soft: rgba(212, 184, 112, 0.12);
    --gold-shine: linear-gradient(135deg, #C19A4B 0%, #F4E8C5 35%, #D4B870 65%, #9A6E1F 100%);
}

/* ============================================
   HERO CINEMA · 电影感 · 粒子网络 + 能量核
   ============================================ */

.hero-cinema {
    position: relative;
    min-height: 100vh;
    background: #050608;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 8rem 2rem 5rem;
    text-align: center;
    isolation: isolate;
}

/* Canvas 全屏粒子层 */
.hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* 背景容器 */
.hero-cinema .hero-bg {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    overflow: hidden;
}

/* 上下暗化晕影 */
.hero-vignette {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, #050608 0%, transparent 20%),
        linear-gradient(0deg, #050608 0%, transparent 28%);
    z-index: 8;
}

/* 地平线光带（极光 / 黎明） */
.hero-horizon {
    position: absolute;
    left: 50%;
    top: 56%;
    transform: translate(-50%, -50%);
    width: 180%;
    height: 360px;
    background:
        radial-gradient(ellipse 50% 30% at 50% 50%, rgba(212, 184, 112, 0.16) 0%, transparent 65%),
        radial-gradient(ellipse 30% 12% at 50% 50%, rgba(232, 212, 154, 0.22) 0%, transparent 60%);
    filter: blur(50px);
    animation: horizon-breathe 10s ease-in-out infinite;
    z-index: 2;
}

@keyframes horizon-breathe {
    0%, 100% { opacity: 0.7; transform: translate(-50%, -50%) scaleX(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scaleX(1.06); }
}

/* 扫描线（缓慢下移） */
.hero-scan {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(212, 184, 112, 0.4) 50%, transparent 100%);
    box-shadow: 0 0 24px rgba(212, 184, 112, 0.3);
    animation: scan-move 8s linear infinite;
    opacity: 0.5;
    z-index: 5;
}

@keyframes scan-move {
    0% { top: 0%; opacity: 0; }
    10% { opacity: 0.5; }
    90% { opacity: 0.5; }
    100% { top: 100%; opacity: 0; }
}

/* 巨型背景字 "AI"（呼吸） */
.hero-ambient-text {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: clamp(28rem, 55vw, 60rem);
    font-weight: 800;
    line-height: 0.8;
    color: transparent;
    -webkit-text-stroke: 1px rgba(212, 184, 112, 0.05);
    letter-spacing: -0.04em;
    pointer-events: none;
    z-index: 2;
    user-select: none;
    animation: ambient-breathe 8s ease-in-out infinite;
}

@keyframes ambient-breathe {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.7; }
}

/* 能量核：核心球体 */
.hero-orb-core {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gold-shine);
    background-size: 200% 100%;
    box-shadow:
        0 0 24px rgba(212, 184, 112, 0.8),
        0 0 60px rgba(212, 184, 112, 0.4),
        0 0 120px rgba(212, 184, 112, 0.2);
    transform: translate(-50%, -50%);
    z-index: 6;
    animation: orb-pulse 3.5s ease-in-out infinite, gold-flow 6s linear infinite;
}

@keyframes orb-pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.6); }
}

/* 能量核：环形扩散 */
.hero-orb-ring {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 1px solid rgba(212, 184, 112, 0.25);
    transform: translate(-50%, -50%);
    z-index: 5;
    animation: ring-expand 4s ease-out infinite;
}

.hero-orb-ring::before,
.hero-orb-ring::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 50%;
    border: 1px solid rgba(212, 184, 112, 0.15);
    animation: ring-expand 4s ease-out 1.3s infinite;
}

.hero-orb-ring::after {
    animation-delay: 2.6s;
}

@keyframes ring-expand {
    0% {
        width: 60px;
        height: 60px;
        opacity: 0.8;
        border-color: rgba(212, 184, 112, 0.4);
    }
    100% {
        width: 600px;
        height: 600px;
        margin-left: -270px;
        margin-top: -270px;
        opacity: 0;
        border-color: rgba(212, 184, 112, 0);
    }
}

/* 能量核：辉光层 */
.hero-orb-glow {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 184, 112, 0.18) 0%, transparent 65%);
    transform: translate(-50%, -50%);
    z-index: 3;
    animation: glow-breathe 6s ease-in-out infinite;
    filter: blur(20px);
}

@keyframes glow-breathe {
    0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.9; transform: translate(-50%, -50%) scale(1.15); }
}

/* 四角刻度 */
.hero-corner {
    position: absolute;
    width: 28px;
    height: 28px;
    border: 1px solid rgba(212, 184, 112, 0.3);
    z-index: 7;
}
.hero-corner-tl { top: 24px; left: 24px; border-right: none; border-bottom: none; }
.hero-corner-tr { top: 24px; right: 24px; border-left: none; border-bottom: none; }
.hero-corner-bl { bottom: 24px; left: 24px; border-right: none; border-top: none; }
.hero-corner-br { bottom: 24px; right: 24px; border-left: none; border-top: none; }

/* 顶部刻度尺 */
.hero-ticks {
    position: absolute;
    top: 28px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 7;
}
.hero-ticks span {
    display: block;
    width: 1px;
    height: 6px;
    background: rgba(212, 184, 112, 0.4);
}
.hero-ticks span:nth-child(odd) { height: 10px; }
.hero-ticks span:nth-child(5n) { height: 14px; background: var(--gold-300); }

/* HERO 内容容器 */
.hero-cinema .hero-content {
    position: relative;
    z-index: 10;
    max-width: 980px;
    margin: 0 auto;
    text-align: center;
}

/* Eyebrow 行（点 + 文字 + 装饰线 + meta） */
.hero-eyebrow-row {
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
    margin-bottom: 2.8rem;
    padding: 0.5rem 1.4rem;
    border: 1px solid rgba(212, 184, 112, 0.2);
    border-radius: 100px;
    background: rgba(10, 8, 5, 0.4);
    backdrop-filter: blur(8px);
    animation: fade-up 1s ease-out 0.2s forwards;
    opacity: 0;
}

.hero-eyebrow-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold-300);
    box-shadow: 0 0 12px var(--gold-300);
    animation: dot-blink 2s ease-in-out infinite;
}

@keyframes dot-blink {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.8); }
}

.hero-eyebrow-text {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 3px;
    color: var(--gold-300);
}

.hero-eyebrow-line {
    width: 1px;
    height: 12px;
    background: rgba(212, 184, 112, 0.3);
}

.hero-eyebrow-meta {
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 2px;
    color: rgba(245, 241, 230, 0.4);
}

/* 主标题（三行 · 排比 · 金色高亮） */
.hero-title-cinema {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5.5vw, 4.6rem);
    font-weight: 300;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: #F5F1E6;
    margin: 0 0 2.2rem;
    text-wrap: balance;
}

.hero-title-cinema .hero-line {
    display: block;
    opacity: 0;
    animation: fade-up 1.1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-title-cinema .hero-line:nth-child(1) { animation-delay: 0.4s; }
.hero-title-cinema .hero-line:nth-child(2) { animation-delay: 0.6s; }
.hero-title-cinema .hero-line:nth-child(3) { animation-delay: 0.8s; }

.hero-title-cinema .hero-line-fade {
    color: rgba(245, 241, 230, 0.45);
    font-size: 0.85em;
    margin-top: 0.4rem;
}

.hero-title-cinema .hero-gold {
    font-style: normal;
    font-weight: 500;
    background: var(--gold-shine);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: gold-flow 8s linear infinite;
    padding: 0 0.1em;
}

.hero-title-cinema .hero-keyword {
    color: var(--gold-100);
    font-weight: 400;
    position: relative;
    padding: 0 0.1em;
}

.hero-title-cinema .hero-keyword::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0.05em;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-300), transparent);
    opacity: 0.5;
    transform: scaleX(0);
    transform-origin: left;
    animation: keyword-underline 1.2s ease-out 1.2s forwards;
}

@keyframes keyword-underline {
    to { transform: scaleX(1); }
}

.hero-title-cinema .hero-keyword-2 {
    color: rgba(212, 184, 112, 0.85);
    font-weight: 400;
    font-style: italic;
}

/* 副标题 */
.hero-subtitle-cinema {
    font-size: clamp(0.95rem, 1.3vw, 1.1rem);
    font-weight: 300;
    line-height: 2;
    color: rgba(245, 241, 230, 0.55);
    letter-spacing: 0.04em;
    max-width: 680px;
    margin: 0 auto 3rem;
    opacity: 0;
    animation: fade-up 1s ease-out 1s forwards;
}

/* 按钮组 */
.hero-cinema .hero-actions {
    display: flex;
    gap: 1.2rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 4.5rem;
    opacity: 0;
    animation: fade-up 1s ease-out 1.2s forwards;
}

/* 电影感主按钮 */
.btn-cinema {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    padding: 1rem 2.4rem;
    font-family: var(--font-display);
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    border-radius: 100px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn-cinema-primary {
    background: var(--gold-shine);
    background-size: 200% 100%;
    color: #0A0805;
    border: none;
    box-shadow:
        0 8px 28px rgba(212, 184, 112, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.35);
    animation: gold-flow 6s linear infinite;
}

.btn-cinema-primary .btn-cinema-arrow {
    display: inline-block;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-cinema-primary:hover {
    transform: translateY(-2px);
    box-shadow:
        0 14px 38px rgba(212, 184, 112, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.btn-cinema-primary:hover .btn-cinema-arrow {
    transform: translateX(4px);
}

.btn-cinema-primary::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, 0.45) 50%, transparent 70%);
    transition: left 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-cinema-primary:hover::before {
    left: 100%;
}

.btn-cinema-ghost {
    background: transparent;
    color: var(--gold-200);
    border: 1px solid rgba(212, 184, 112, 0.3);
    backdrop-filter: blur(8px);
    position: relative;
}

.btn-cinema-ghost .btn-cinema-pulse {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold-300);
    box-shadow: 0 0 8px var(--gold-300);
    animation: dot-blink 1.8s ease-in-out infinite;
}

.btn-cinema-ghost:hover {
    color: var(--gold-100);
    border-color: rgba(212, 184, 112, 0.6);
    background: rgba(212, 184, 112, 0.06);
    transform: translateY(-2px);
}

/* Meta 数据条 */
.hero-meta-strip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    padding: 1.5rem 2.5rem;
    border: 1px solid rgba(212, 184, 112, 0.12);
    border-radius: 100px;
    background: linear-gradient(135deg, rgba(212, 184, 112, 0.04) 0%, transparent 100%);
    backdrop-filter: blur(8px);
    width: fit-content;
    margin: 0 auto;
    opacity: 0;
    animation: fade-up 1s ease-out 1.4s forwards;
}

.hero-meta-item {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.hero-meta-num {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1;
}

.hero-meta-num sup {
    font-size: 0.6em;
    color: var(--gold-300);
    font-weight: 400;
    margin-left: 0.1em;
}

.hero-meta-label {
    font-size: 0.75rem;
    color: rgba(245, 241, 230, 0.4);
    letter-spacing: 0.1em;
}

.hero-meta-divider {
    width: 1px;
    height: 20px;
    background: linear-gradient(180deg, transparent, rgba(212, 184, 112, 0.3), transparent);
}

/* 滚动指引 */
.hero-scroll-cue {
    position: absolute;
    left: 50%;
    bottom: 32px;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 10;
    opacity: 0;
    animation: fade-up 1s ease-out 1.6s forwards;
}

.hero-scroll-line {
    display: block;
    width: 1px;
    height: 36px;
    background: linear-gradient(180deg, transparent, var(--gold-300), transparent);
    position: relative;
    overflow: hidden;
}

.hero-scroll-line::after {
    content: '';
    position: absolute;
    top: -36px;
    left: 0;
    width: 100%;
    height: 36px;
    background: var(--gold-200);
    animation: scroll-flow 2.4s ease-in-out infinite;
}

@keyframes scroll-flow {
    0% { top: -36px; }
    100% { top: 36px; }
}

.hero-scroll-text {
    font-family: var(--font-display);
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 3px;
    color: rgba(212, 184, 112, 0.5);
}

/* 减少动画支持 */
@media (prefers-reduced-motion: reduce) {
    .hero-canvas,
    .hero-orb-core,
    .hero-orb-ring,
    .hero-orb-glow,
    .hero-horizon,
    .hero-scan,
    .hero-ambient-text,
    .hero-eyebrow-row,
    .hero-title-cinema .hero-line,
    .hero-subtitle-cinema,
    .hero-cinema .hero-actions,
    .hero-meta-strip,
    .hero-scroll-cue,
    .hero-eyebrow-dot,
    .hero-scroll-line::after,
    .btn-cinema-primary,
    .btn-cinema-ghost .btn-cinema-pulse,
    .hero-title-cinema .hero-gold,
    .hero-title-cinema .hero-keyword::after {
        animation: none !important;
    }
    .hero-title-cinema .hero-line,
    .hero-eyebrow-row,
    .hero-subtitle-cinema,
    .hero-cinema .hero-actions,
    .hero-meta-strip,
    .hero-scroll-cue {
        opacity: 1 !important;
    }
}

@media (max-width: 768px) {
    .hero-cinema {
        padding: 7rem 1.2rem 4rem;
    }
    .hero-eyebrow-row {
        padding: 0.4rem 1rem;
        gap: 0.6rem;
    }
    .hero-eyebrow-meta {
        display: none;
    }
    .hero-meta-strip {
        flex-wrap: wrap;
        gap: 1rem 1.5rem;
        padding: 1rem 1.5rem;
        border-radius: 24px;
    }
    .hero-meta-divider {
        display: none;
    }
    .hero-corner {
        width: 18px;
        height: 18px;
    }
    .hero-corner-tl, .hero-corner-tr { top: 16px; }
    .hero-corner-tl, .hero-corner-bl { left: 16px; }
    .hero-corner-tr, .hero-corner-br { right: 16px; }
    .hero-corner-bl, .hero-corner-br { bottom: 16px; }
    .hero-scroll-cue {
        bottom: 16px;
    }
}