:root {
    --bg-deep: #0a0a0f;
    --bg-dark: #111118;
    --bg-card: #18181f;
    --bg-card-hover: #1e1e28;
    --bg-elevated: #22222d;
    --bg-surface: #fafafa;
    --bg-surface-alt: #f3f3f6;
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;
    --text-inverse: #1a1a24;
    --accent: #f0a050;
    --accent-light: #f5c080;
    --accent-dark: #d08030;
    --accent-glow: rgba(240, 160, 80, 0.15);
    --green: #4ade80;
    --red: #f87171;
    --blue: #60a5fa;
    --purple: #a78bfa;
    --border: rgba(255,255,255,0.06);
    --border-light: rgba(255,255,255,0.04);
    --border-surface: #e5e5ea;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.3);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.4);
    --shadow-glow: 0 0 40px rgba(240,160,80,0.15);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 100px;
    --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
    --font-display: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --duration: 300ms;
    --duration-slow: 500ms;
    --max-width: none;
    --header-height: 72px;
}
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}
body {
    font-family: var(--font-sans);
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-deep);
    overflow-x: hidden;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
a {
    color: inherit;
    text-decoration: none;
}
ul {
    list-style: none;
}
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 clamp(24px, 4vw, 80px);
    width: 100%;
}
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.02em;
}
.text-fade {
    color: var(--text-secondary);
    font-weight: 400;
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 500;
    padding: 14px 28px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--duration) var(--ease-out);
    border: none;
    white-space: nowrap;
    letter-spacing: 0.01em;
}
.btn-primary {
    background: var(--accent);
    color: #1a1a24;
    box-shadow: 0 4px 20px rgba(240,160,80,0.3);
}
.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-1px);
    box-shadow: 0 8px 30px rgba(240,160,80,0.4);
    color: #1a1a24;
}
.btn-white {
    background: #fff;
    color: #1a1a24;
}
.btn-white:hover {
    background: #f5f5f5;
    transform: translateY(-1px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid rgba(255,255,255,0.12);
}
.btn-ghost:hover {
    color: var(--text-primary);
    border-color: rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.04);
}
.btn-sm {
    padding: 10px 20px;
}
.top-bar {
    background: rgba(10,10,15,0.95);
    border-bottom: 1px solid var(--border);
    padding: 8px 0;
    color: var(--text-muted);
}
.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-left {
    display: flex;
    gap: 20px;
}
.top-contact {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
}
.top-right {
    display: flex;
    align-items: center;
}
.top-cta {
    color: var(--accent-light);
    font-weight: 500;
}
.top-cta:hover {
    color: var(--accent);
}
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: transparent;
    transition: background 200ms var(--ease-out), backdrop-filter 200ms var(--ease-out);
}
.header.scrolled {
    background: rgba(10,10,15,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}
.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}
.logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo-img {
    height: 36px;
}
.logo .logo-name {
    font-family: var(--font-display);
    font-size: 19px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    letter-spacing: -0.01em;
}
.nav ul {
    display: flex;
    gap: 2px;
}
.nav-link {
    display: block;
    padding: 8px 16px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    transition: all var(--duration) var(--ease-out);
}
.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background: rgba(255,255,255,0.06);
}
.nav-right {
    display: flex;
    align-items: center;
}
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}
.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: all var(--duration) var(--ease-out);
}
.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}
.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}
.mobile-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10,10,15,0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    padding: 40px 24px;
}
.mobile-nav.active {
    display: block;
}
.mobile-nav ul {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.mobile-nav a {
    display: block;
    padding: 18px 20px;
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    transition: all var(--duration) var(--ease-out);
}
.mobile-nav a:hover {
    background: rgba(255,255,255,0.05);
    color: var(--accent);
}
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 120px 0 100px;
}
.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}
.hero-bg-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 30%, rgba(240,160,80,0.08), transparent),
        radial-gradient(ellipse 50% 50% at 80% 20%, rgba(240,160,80,0.05), transparent),
        radial-gradient(ellipse 40% 40% at 60% 80%, rgba(240,160,80,0.04), transparent);
}
.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
}
.hero-particles {
    position: absolute;
    inset: 0;
}
.particle {
    position: absolute;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0;
    animation: floatParticle 8s infinite ease-in-out;
}
.p1 { width: 4px; height: 4px; top: 20%; left: 15%; animation-delay: 0s; opacity: 0.3; }
.p2 { width: 2px; height: 2px; top: 60%; left: 85%; animation-delay: 2s; opacity: 0.4; }
.p3 { width: 3px; height: 3px; top: 30%; left: 70%; animation-delay: 4s; opacity: 0.2; }
.p4 { width: 2px; height: 2px; top: 75%; left: 25%; animation-delay: 1s; opacity: 0.35; }
.p5 { width: 5px; height: 5px; top: 45%; left: 50%; animation-delay: 3s; opacity: 0.15; }
.p6 { width: 3px; height: 3px; top: 15%; left: 40%; animation-delay: 5s; opacity: 0.25; }
@keyframes floatParticle {
    0%, 100% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-20px) translateX(10px); }
    50% { transform: translateY(-10px) translateX(-5px); }
    75% { transform: translateY(-30px) translateX(15px); }
}
.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 100px);
    align-items: center;
    position: relative;
    z-index: 1;
    padding: 0 40px;
}
.hero-inner {
    width: 100%;
    justify-self: start;
    padding-left: 20px;
}
.hero-eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}
.eyebrow-line {
    width: 24px;
    height: 1px;
    background: var(--accent);
    opacity: 0.6;
}
.eyebrow-text {
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--accent);
    text-transform: uppercase;
}
.hero-title {
    font-size: clamp(36px, 4.2vw, 52px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}
.title-line {
    display: block;
}
.title-line.accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-tagline {
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-weight: 500;
}
.hero-tagline a {
    color: var(--accent);
    font-weight: 600;
    transition: color var(--duration) var(--ease-out);
}
.hero-tagline a:hover {
    color: var(--accent-light);
}
.hero-desc {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 28px;
    max-width: 520px;
}
.hero-actions {
    display: flex;
    gap: 14px;
    margin-bottom: 36px;
}
.hero-stats {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 24px 0;
    border-top: 1px solid var(--border);
}
.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.stat-number {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    line-height: 1;
    transition: color 0.3s var(--ease-out);
}
.stat-item:hover .stat-number {
    color: var(--accent);
}
.stat-plus {
    color: var(--accent);
    font-size: 20px;
}
.stat-label {
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.stat-divider {
    width: 1px;
    height: 36px;
    background: var(--border);
    margin: 0 40px;
}
.hero-logo-img {
    width: 100%;
    max-width: 480px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    object-fit: contain;
}
@media (max-width: 768px) {
    .hero-logo-img {
        max-width: 280px;
    }
}
.hero-frame {
    position: relative;
    width: 100%;
    max-width: 560px;
    justify-self: end;
    padding-right: 20px;
}
.hero-frame-inner {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    position: relative;
    z-index: 1;
}
.frame-browser {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}
.frame-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.frame-dot:nth-child(1) { background: #f87171; }
.frame-dot:nth-child(2) { background: #fbbf24; }
.frame-dot:nth-child(3) { background: #4ade80; }
.hero-frame-content {
    padding: 24px 20px;
}
.hero-frame-blocks {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.hero-frame-block {
    background: linear-gradient(135deg, rgba(240,160,80,0.12), rgba(240,160,80,0.04));
    border-radius: var(--radius-sm);
    border: 1px solid rgba(240,160,80,0.08);
}
.hero-frame-block-lg { height: 100px; grid-column: span 2; }
.hero-frame-block-md { height: 64px; }
.hero-frame-block-sm { height: 64px; }
.frame-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(240,160,80,0.12), transparent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    pointer-events: none;
    animation: glowPulse 4s infinite ease-in-out;
}
@keyframes glowPulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.15); }
}
.hero-scroll-hint {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: scrollFade 2s infinite ease-in-out;
}
@keyframes scrollFade {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}
.section {
    padding: 120px 0;
    background: var(--bg-deep);
}
.section-dark {
    background: var(--bg-dark);
}
.section-alt {
    background: var(--bg-dark);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.section-compact {
    padding: 80px 0;
}
.section-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 20px;
    justify-content: center;
}
.label-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}
.section-heading {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 60px;
    line-height: 1.2;
    text-align: center;
}
.section-footer {
    text-align: center;
    margin-top: 48px;
}
.pain-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 48px;
}
.pain-card {
    background: var(--bg-dark);
    padding: 48px 36px;
    transition: background var(--duration) var(--ease-out);
}
.pain-card:hover {
    background: var(--bg-card-hover);
}
.pain-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}
.pain-icon-1 { background: rgba(248,113,113,0.1); color: var(--red); }
.pain-icon-2 { background: rgba(240,160,80,0.1); color: var(--accent); }
.pain-icon-3 { background: rgba(167,139,250,0.1); color: var(--purple); }
.pain-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}
.pain-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}
.pain-conclusion {
    text-align: center;
    margin-top: 48px;
}
.pain-conclusion p {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--text-primary);
    background: linear-gradient(135deg, rgba(240,160,80,0.1), rgba(240,160,80,0.05));
    border: 1px solid rgba(240,160,80,0.2);
    border-radius: 100px;
    padding: 14px 32px;
    cursor: pointer;
    transition: all 0.3s var(--ease-out);
}
.pain-conclusion p:hover {
    background: linear-gradient(135deg, rgba(240,160,80,0.2), rgba(240,160,80,0.1));
    border-color: rgba(240,160,80,0.4);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(240,160,80,0.15);
}
.conclusion-arrow {
    color: var(--accent);
    font-weight: 600;
    display: inline-block;
    animation: bounceRight 1.5s infinite ease-in-out;
    transition: transform 0.3s var(--ease-out);
}
.pain-conclusion p:hover .conclusion-arrow {
    transform: translateX(4px);
    animation: none;
}
@keyframes bounceRight {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(6px); }
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    transition: all var(--duration) var(--ease-out);
    display: flex;
    flex-direction: column;
    position: relative;
}
.service-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(240,160,80,0.2);
    transform: translateY(-2px);
}
.service-card-top {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}
.service-icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: rgba(240,160,80,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
}
.service-icon-wrap svg {
    transition: transform 0.3s var(--ease-out);
}
.service-card:hover .service-icon-wrap svg {
    transform: scale(1.15);
}
.service-icon-img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}
.service-card-title {
    font-size: 19px;
    font-weight: 600;
    color: var(--text-primary);
}
.service-card-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
}
.service-card-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}
.service-card-list li {
    color: var(--text-muted);
    padding-left: 18px;
    position: relative;
}
.service-card-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.5;
}
.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    color: var(--accent-light);
    transition: gap var(--duration) var(--ease-out);
}
.service-card-link:hover {
    gap: 10px;
    color: var(--accent);
}
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.solution-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    transition: all var(--duration) var(--ease-out);
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.solution-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(240,160,80,0.2);
    transform: translateY(-2px);
}
.solution-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: rgba(240,160,80,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
    transition: all var(--duration) var(--ease-out);
}
.solution-icon svg {
    transition: transform 0.4s var(--ease-out);
}
.solution-card:hover .solution-icon svg {
    transform: scale(1.1) rotate(-3deg);
}
.solution-card:hover .solution-icon {
    background: rgba(240,160,80,0.18);
    color: var(--accent-light);
}
.solution-body {
    flex: 1;
    display: flex;
    flex-direction: column;
}
.solution-title {
    font-size: 19px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}
.solution-subtitle {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.solution-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.solution-list li {
    color: var(--text-muted);
    padding-left: 18px;
    position: relative;
    line-height: 1.6;
}
.solution-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.5;
}
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}
.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px 32px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all var(--duration) var(--ease-out);
}
.pricing-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(240,160,80,0.2);
    transform: translateY(-4px);
}
.pricing-card-popular {
    border-color: rgba(240,160,80,0.35);
    background: linear-gradient(180deg, rgba(240,160,80,0.06) 0%, var(--bg-card) 30%);
    box-shadow: 0 0 30px rgba(240,160,80,0.1);
}
.pricing-card-popular:hover {
    border-color: var(--accent);
    box-shadow: 0 0 50px rgba(240,160,80,0.2);
}
.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    font-weight: 600;
    padding: 6px 24px;
    border-radius: 20px;
    white-space: nowrap;
    letter-spacing: 0.02em;
    animation: badgePulse 3s infinite ease-in-out;
}
@keyframes badgePulse {
    0%, 100% { transform: translateX(-50%) scale(1); }
    50% { transform: translateX(-50%) scale(1.05); }
}
.pricing-header {
    text-align: center;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 28px;
}
.pricing-name {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.pricing-for {
    color: var(--text-muted);
    margin-bottom: 20px;
}
.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}
.pricing-symbol {
    font-size: 22px;
    font-weight: 600;
    color: var(--accent);
}
.pricing-amount {
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: -0.02em;
    line-height: 1;
}
.pricing-unit {
    color: var(--text-muted);
    font-weight: 500;
}
.pricing-body {
    flex: 1;
    margin-bottom: 24px;
}
.pricing-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-secondary);
    line-height: 1.5;
}
.pricing-features li svg {
    flex-shrink: 0;
    margin-top: 3px;
    color: var(--green);
}
.pricing-footer {
    padding-top: 20px;
    border-top: 1px solid var(--border);
    text-align: center;
}
.pricing-btn {
    width: 100%;
    justify-content: center;
    padding: 14px 0;
}
.pricing-card-popular .pricing-btn {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    border: none;
}
.pricing-card-popular .pricing-btn:hover {
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
}
.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.why-sub {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 400px;
}
.why-btn {
    margin-top: 8px;
}
.why-right {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.why-item {
    display: flex;
    gap: 20px;
    padding: 28px;
    border-radius: var(--radius-md);
    transition: background var(--duration) var(--ease-out);
}
.why-item:hover {
    background: var(--bg-card);
}
.why-item-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(240,160,80,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
}
.why-item-text h3 {
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}
.why-item-text p {
    color: var(--text-secondary);
    line-height: 1.7;
}
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.case-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--duration) var(--ease-out);
    background: var(--bg-card);
}
.case-card:hover {
    transform: translateY(-4px);
}
.case-card-image {
    position: relative;
    height: 280px;
    overflow: hidden;
    background: var(--bg-elevated);
}
.case-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}
.case-card:hover .case-card-image img {
    transform: scale(1.04);
}
.case-card-hover {
    position: absolute;
    inset: 0;
    background: rgba(10,10,15,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--duration) var(--ease-out);
}
.case-card:hover .case-card-hover {
    opacity: 1;
}
.case-card-view {
    font-weight: 500;
    color: #fff;
    padding: 10px 24px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: var(--radius-full);
    backdrop-filter: blur(4px);
}
.case-card-link {
    position: absolute;
    inset: 0;
    z-index: 1;
}
.case-card-body {
    padding: 20px 24px;
}
.case-card-tag {
    display: inline-block;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}
.case-card-title {
    font-weight: 600;
    color: var(--text-primary);
}
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
}
.process-steps::before {
    content: '';
    position: absolute;
    top: 36px;
    left: 60px;
    right: 60px;
    height: 1px;
    background: var(--border);
    z-index: 0;
}
.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 0 20px;
}
.process-step-number {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
    margin: 0 auto 24px;
    transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.process-step:hover .process-step-number {
    border-color: var(--accent);
    box-shadow: 0 0 24px var(--accent-glow);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--accent-glow);
}
.process-step-line {
    width: 40px;
    height: 2px;
    background: var(--accent);
    opacity: 0.3;
    margin: 0 auto 24px;
    border-radius: 1px;
}
.process-step h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}
.process-step p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}
.process-step-time {
    display: inline-block;
    font-weight: 500;
    color: var(--accent);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    background: rgba(240,160,80,0.1);
}
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    transition: all var(--duration) var(--ease-out);
    position: relative;
}
.testimonial-card:hover {
    border-color: rgba(240,160,80,0.15);
    background: var(--bg-card-hover);
}
.testimonial-quote {
    font-family: Georgia, serif;
    font-size: 72px;
    line-height: 0.5;
    color: var(--accent);
    opacity: 0.2;
    margin-bottom: 16px;
    user-select: none;
    transition: transform 0.3s var(--ease-out);
}
.testimonial-card:hover .testimonial-quote {
    transform: scale(1.1);
}
.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 28px;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}
.testimonial-author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    flex-shrink: 0;
}
.testimonial-author strong {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
}
.testimonial-author span {
    color: var(--text-muted);
}
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.news-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--duration) var(--ease-out);
    display: flex;
    flex-direction: column;
}
.news-card:hover {
    border-color: rgba(240,160,80,0.2);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.news-card-image {
    height: 200px;
    overflow: hidden;
    background: var(--bg-elevated);
}
.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}
.news-card:hover .news-card-image img {
    transform: scale(1.06);
}
.news-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(240,160,80,0.08), rgba(240,160,80,0.02));
    color: var(--text-muted);
}
.news-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.news-card-date {
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 8px;
}
.news-card-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--duration) var(--ease-out);
}
.news-card:hover .news-card-title {
    color: var(--accent-light);
}
.news-card-summary {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    color: var(--accent-light);
    transition: gap var(--duration) var(--ease-out);
    margin-top: auto;
}
.news-card:hover .news-card-link {
    gap: 10px;
    color: var(--accent);
}
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--duration) var(--ease-out);
}
.faq-item:hover {
    border-color: rgba(240,160,80,0.15);
    background: var(--bg-card-hover);
}
.faq-question {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 14px;
}
.faq-question svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--accent);
    opacity: 0.8;
}
.faq-question h3 {
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.5;
}
.faq-answer {
    padding-left: 34px;
}
.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.8;
}
.faq-answer p strong {
    color: var(--accent-light);
    font-weight: 600;
}
.cta {
    padding: 80px 0;
}
.cta-card {
    position: relative;
    background: linear-gradient(135deg, #1a1410, #1f1812, #1a1410);
    border: 1px solid rgba(240,160,80,0.15);
    border-radius: var(--radius-xl);
    padding: 80px 64px;
    overflow: hidden;
    text-align: center;
}
.cta-card-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 50% 50%, rgba(240,160,80,0.08), transparent),
        radial-gradient(circle at 30% 20%, rgba(240,160,80,0.05), transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(240,160,80,0.05), transparent 50%);
    pointer-events: none;
}
.cta-card-content {
    position: relative;
    z-index: 1;
}
.cta-card-content h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}
.cta-card-content > p {
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}
.cta-card-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 24px;
}
.cta-card-phone {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--text-secondary);
    transition: color var(--duration) var(--ease-out);
}
.cta-card-phone:hover {
    color: var(--accent-light);
}
.cta-card-note {
    color: var(--text-muted);
}
.contact-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.contact-item {
    text-align: center;
    padding: 40px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--duration) var(--ease-out);
}
.contact-item:hover {
    border-color: rgba(240,160,80,0.2);
}
.contact-item-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: rgba(240,160,80,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin: 0 auto 16px;
}
.contact-item-icon svg {
    transition: transform 0.3s var(--ease-out);
}
.contact-item:hover .contact-item-icon svg {
    transform: scale(1.1);
}
.contact-item-label {
    display: block;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}
.contact-item-value {
    display: block;
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}
.contact-item-hint {
    color: var(--text-muted);
}
.footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
}
.footer-main {
    padding: 72px 0 48px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
}
.footer-logo {
    margin-bottom: 20px;
}
.footer-logo img {
    height: 36px;
}
.footer-logo-img {
    width: 300px;
    height: auto;
}
.footer-logo-text {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
}
.footer-desc {
    line-height: 1.8;
    margin-bottom: 24px;
    max-width: 360px;
    color: var(--text-muted);
}
.footer-social {
    display: flex;
    gap: 10px;
}
.social-link {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all var(--duration) var(--ease-out);
}
.social-link svg {
    transition: transform 0.3s var(--ease-out);
}
.social-link:hover svg {
    transform: translateY(-2px);
}
.social-link:hover {
    background: var(--accent);
    color: #fff;
}
.footer-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}
.footer-links li {
    margin-bottom: 10px;
}
.footer-links a {
    color: var(--text-muted);
    transition: all var(--duration) var(--ease-out);
}
.footer-links a:hover {
    color: var(--accent-light);
    padding-left: 4px;
}
.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    color: var(--text-muted);
}
.footer-contact-list svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--accent);
    opacity: 0.6;
}
.footer-qrcode {
    margin-top: 20px;
    text-align: center;
}
.footer-qrcode-img {
    width: 300px;
    height: auto;
    margin: 0 auto 12px;
    display: block;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}
.footer-qrcode span {
    display: block;
    color: var(--text-muted);
}
.footer-wechat-account {
    color: var(--text-primary) !important;
    font-weight: 600;
    margin-bottom: 4px;
}
.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 24px 0;
}
.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
}
.footer-icp a {
    color: var(--text-muted);
}
.footer-icp a:hover {
    color: var(--text-secondary);
}
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration) var(--ease-out);
    z-index: 100;
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}
.back-to-top:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.page-hero {
    padding: 120px 0 60px;
    text-align: center;
}
.page-hero-sm {
    padding: 100px 0 40px;
}
.page-hero-content h1 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    margin-bottom: 12px;
}
.page-hero-desc {
    color: var(--text-secondary);
}
.page-content {
    padding: 60px 0;
}
/* ========== 面包屑导航 ========== */
.breadcrumb-nav {
    background: var(--bg-secondary, #f8fafc);
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color, #e2e8f0);
}
.breadcrumb {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
    gap: 4px;
    font-size: 15px;
    color: var(--text-secondary);
}
.breadcrumb li {
    display: flex;
    align-items: center;
}
.breadcrumb li:not(:last-child)::after {
    content: '/';
    margin-left: 4px;
    color: var(--text-muted, #94a3b8);
}
.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}
.breadcrumb a:hover {
    color: var(--primary-color, #6366f1);
}
.breadcrumb [aria-current="page"] {
    color: var(--text-primary);
    font-weight: 500;
}
/* ========== 产品详情 Hero（参考图风格） ========== */
.product-hero {
    position: relative;
    padding: 140px 0 80px;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: var(--bg-deep);
}
.product-hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}
.product-hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.35;
}
.product-hero-glow-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, rgba(99,102,241,0.4), rgba(168,85,247,0.3));
    top: 10%;
    left: 15%;
    animation: heroGlow1 8s ease-in-out infinite alternate;
}
.product-hero-glow-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(225deg, rgba(56,189,248,0.35), rgba(99,102,241,0.25));
    bottom: 5%;
    right: 10%;
    animation: heroGlow2 10s ease-in-out infinite alternate;
}
@keyframes heroGlow1 {
    0% { transform: translate(0, 0) scale(1); opacity: 0.3; }
    100% { transform: translate(30px, -20px) scale(1.1); opacity: 0.45; }
}
@keyframes heroGlow2 {
    0% { transform: translate(0, 0) scale(1); opacity: 0.25; }
    100% { transform: translate(-20px, 30px) scale(1.15); opacity: 0.4; }
}
.product-hero-particles {
    position: absolute;
    inset: 0;
}
.product-hero-particles .particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(255,255,255,0.4);
    border-radius: 50%;
    animation: floatParticle linear infinite;
}
@keyframes floatParticle {
    0% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-80px) translateX(20px); opacity: 0; }
}
.product-hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}
.product-hero-badge {
    margin-bottom: 20px;
}
.product-hero-tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    background: rgba(99,102,241,0.15);
    border: 1px solid rgba(99,102,241,0.3);
    color: #818cf8;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.05em;
}
.product-hero-title {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #60a5fa, #a78bfa, #f472b6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.product-hero-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto 24px;
}
.product-hero-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    color: var(--text-muted);
    font-size: 15px;
}
.product-hero-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}
.product-hero-meta-item svg {
    opacity: 0.6;
}

/* ========== 产品详情内容区 ========== */
.product-detail-section {
    padding: 60px 0 80px;
    background: var(--bg-dark);
}
.product-detail-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 48px;
    align-items: start;
}
.product-detail-main {
    min-width: 0;
}
.product-detail-image {
    margin-bottom: 32px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
}
.product-detail-image img {
    width: 100%;
    height: auto;
    display: block;
}
.product-detail-price {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 24px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}
.product-price-label {
    font-size: 15px;
    color: var(--text-muted);
}
.product-price-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
    background: linear-gradient(135deg, #f0a050, #f5c080);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.product-detail-content {
    color: var(--text-secondary);
    line-height: 1.8;
}
.product-detail-content h2,
.product-detail-content h3 {
    color: var(--text-primary);
    margin-top: 32px;
    margin-bottom: 16px;
}
.product-detail-content p {
    margin-bottom: 16px;
}
.product-detail-content img {
    max-width: 100%;
    border-radius: var(--radius-md);
    margin: 16px 0;
}
.product-detail-content ul,
.product-detail-content ol {
    margin-bottom: 16px;
    padding-left: 24px;
}
.product-detail-content li {
    margin-bottom: 8px;
}

/* 上下篇导航 */
.post-navigation {
    display: flex;
    gap: 20px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}
.post-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 20px 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.25s ease;
    background: var(--bg-card);
}
.post-nav-item:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    transform: translateY(-2px);
}
.post-nav-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    color: var(--text-muted);
    font-weight: 500;
}
.post-nav-title {
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.post-nav-next {
    text-align: right;
}
.post-nav-next .post-nav-label {
    justify-content: flex-end;
}
.post-nav-disabled {
    opacity: 0.45;
    cursor: default;
    pointer-events: none;
}
.post-nav-disabled:hover {
    border-color: var(--border);
    box-shadow: none;
    transform: none;
}
@media (max-width: 640px) {
    .post-navigation {
        flex-direction: column;
        gap: 12px;
    }
    .post-nav-next {
        text-align: left;
    }
    .post-nav-next .post-nav-label {
        justify-content: flex-start;
    }
}

/* 侧边栏 */
.product-detail-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 24px);
}
.product-sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
}
.product-sidebar-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}
.product-sidebar-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

/* 响应式 */
@media (max-width: 992px) {
    .product-detail-layout {
        grid-template-columns: 1fr;
    }
    .product-detail-sidebar {
        position: static;
    }
    .product-hero {
        padding: 120px 0 60px;
        min-height: auto;
    }
}
@media (max-width: 576px) {
    .product-hero-title {
        font-size: 28px;
    }
    .product-hero-desc {
        font-size: 18px;
    }
    .product-hero-meta {
        gap: 12px;
    }
    .product-detail-section {
        padding: 40px 0 60px;
    }
}

/* ========== 关于我们 Hero ========== */
.about-hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 140px 0 80px;
}
.about-hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}
.about-hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 30% 40%, rgba(240,160,80,0.07), transparent),
        radial-gradient(ellipse 40% 40% at 70% 60%, rgba(240,160,80,0.04), transparent),
        radial-gradient(ellipse 50% 50% at 50% 20%, rgba(240,160,80,0.05), transparent);
}
.about-hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse 65% 55% at 50% 45%, black, transparent);
    -webkit-mask-image: radial-gradient(ellipse 65% 55% at 50% 45%, black, transparent);
}
.about-hero-particles {
    position: absolute;
    inset: 0;
}
.about-particle {
    position: absolute;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0;
    animation: floatParticle 8s infinite ease-in-out;
}
.ap1 { width: 4px; height: 4px; top: 15%; left: 10%; animation-delay: 0s; opacity: 0.25; }
.ap2 { width: 2px; height: 2px; top: 55%; left: 80%; animation-delay: 2s; opacity: 0.3; }
.ap3 { width: 3px; height: 3px; top: 25%; left: 65%; animation-delay: 4s; opacity: 0.2; }
.ap4 { width: 2px; height: 2px; top: 70%; left: 20%; animation-delay: 1s; opacity: 0.28; }
.ap5 { width: 5px; height: 5px; top: 40%; left: 45%; animation-delay: 3s; opacity: 0.12; }
.ap6 { width: 3px; height: 3px; top: 10%; left: 35%; animation-delay: 5s; opacity: 0.22; }
.about-hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.about-hero-inner {
    max-width: 540px;
}
.about-hero-eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}
.about-hero-title {
    font-size: clamp(36px, 4.5vw, 52px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}
.about-hero-title .title-line.accent {
    font-size: 0.7em;
    color: var(--accent);
    font-weight: 600;
    opacity: 0.9;
}
.about-hero-desc {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 500px;
}
.about-hero-stats {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 24px 0;
    border-top: 1px solid var(--border);
}
.about-hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}
.about-hero-frame {
    position: relative;
    width: 100%;
    max-width: 480px;
}
.about-hero-frame-inner {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    position: relative;
    z-index: 1;
}
.about-frame-content {
    padding: 24px 20px;
}
.about-frame-blocks {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.about-frame-block {
    background: linear-gradient(135deg, rgba(240,160,80,0.12), rgba(240,160,80,0.04));
    border-radius: var(--radius-sm);
    border: 1px solid rgba(240,160,80,0.08);
}
.about-frame-block-lg { height: 100px; grid-column: span 2; }
.about-frame-block-md { height: 64px; }
.about-frame-block-sm { height: 64px; }

/* 公司信息步骤（复用 process-step 风格） */
.about-info-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
    margin-top: 48px;
}
.about-info-steps::before {
    content: '';
    position: absolute;
    top: 36px;
    left: 60px;
    right: 60px;
    height: 1px;
    background: var(--border);
    z-index: 0;
}
.about-info-step {
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 0 16px;
}
.about-info-step-num {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
    margin: 0 auto 24px;
    transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}
.about-info-step:hover .about-info-step-num {
    border-color: var(--accent);
    box-shadow: 0 8px 24px var(--accent-glow);
    transform: translateY(-4px);
}
.about-info-step-line {
    width: 40px;
    height: 2px;
    background: var(--accent);
    opacity: 0.3;
    margin: 0 auto 24px;
    border-radius: 1px;
}
.about-info-step h3 {
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}
.about-info-step p {
    color: var(--text-secondary);
    line-height: 1.5;
    word-break: break-all;
}
/* ========== 联系我们新布局 ========== */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: start;
}
.contact-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 48px 40px;
    box-shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.03);
    transition: box-shadow .35s ease;
}
.contact-card:hover {
    box-shadow: 0 1px 3px rgba(0,0,0,.06), 0 8px 30px rgba(0,0,0,.06);
}
.contact-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 36px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--border);
}
.contact-card-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, rgba(240,160,80,0.12), rgba(240,160,80,0.06));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
}
.contact-card-header h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}
.contact-info-list {
    list-style: none;
}
.contact-info-list li {
    display: flex;
    gap: 16px;
    padding: 20px 0;
    border-bottom: 1px solid rgba(0,0,0,.04);
    transition: all .25s ease;
}
.contact-info-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.contact-info-list li:first-child {
    padding-top: 0;
}
.ci-icon {
    width: 44px;
    height: 44px;
    background: rgba(240,160,80,0.06);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
    transition: all .25s ease;
}
.contact-info-list li:hover .ci-icon {
    background: rgba(240,160,80,0.12);
    transform: scale(1.05);
}
.ci-text {
    display: flex;
    flex-direction: column;
    gap: 3px;
    justify-content: center;
}
.ci-text strong {
    font-size: 15px;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: .5px;
    text-transform: uppercase;
}
.ci-text span {
    color: var(--text-primary);
    word-break: break-all;
    line-height: 1.5;
}
.contact-weixin {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 0;
}
.contact-empty {
    color: var(--text-muted);
    padding: 32px 0;
    text-align: center;
}
.contact-qrcode {
    width: 180px;
    height: 180px;
    margin: 0 auto 16px;
    display: block;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,.08);
}
.contact-qrcode-label {
    color: var(--text-muted);
    font-weight: 500;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .contact-card {
        padding: 32px 24px;
    }
    .contact-card-header {
        margin-bottom: 24px;
        padding-bottom: 18px;
    }
    .contact-qrcode {
        width: 150px;
        height: 150px;
    }
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--duration) var(--ease-out);
}
.product-card:hover {
    border-color: rgba(240,160,80,0.2);
    transform: translateY(-2px);
}
.product-image {
    height: 220px;
    overflow: hidden;
    background: var(--bg-elevated);
}
.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}
.product-card:hover .product-image img {
    transform: scale(1.04);
}
.product-body {
    padding: 24px;
}
.product-title {
    font-weight: 600;
    margin-bottom: 8px;
}
.product-summary {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.product-price {
    display: block;
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 16px;
}
.detail-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 48px;
}
.detail-main-full {
    grid-column: 1 / -1;
    max-width: 800px;
    margin: 0 auto;
}
.detail-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 32px;
}
.detail-image img {
    width: 100%;
}
.detail-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
}
.detail-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
}
.detail-price {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 24px;
}
.detail-content {
    line-height: 1.9;
    color: var(--text-secondary);
}
.detail-content img {
    max-width: 100%;
    border-radius: var(--radius-md);
    margin: 24px 0;
}
.detail-content p {
    margin-bottom: 16px;
}
.detail-content h2, .detail-content h3 {
    margin: 32px 0 16px;
    color: var(--text-primary);
}
.detail-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.detail-nav-link {
    color: var(--accent-light);
    max-width: 45%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.detail-nav-link:hover {
    color: var(--accent);
}
.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
}
.sidebar-card h3 {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}
.sidebar-card p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}
.sidebar-news-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}
.sidebar-news-list li:last-child {
    border-bottom: none;
}
.sidebar-news-list a {
    color: var(--text-secondary);
    display: block;
}
.sidebar-news-list a:hover {
    color: var(--accent-light);
}
.case-detail-category {
    display: inline-block;
    background: rgba(240,160,80,0.1);
    color: var(--accent);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-weight: 600;
}
.news-list-layout {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}
.news-list-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--duration) var(--ease-out);
}
.news-list-card:hover {
    border-color: rgba(240,160,80,0.2);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,.06);
}
.news-list-image {
    height: 200px;
    background: var(--bg-elevated);
    flex-shrink: 0;
}
.news-list-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.news-list-image-placeholder {
    background: var(--bg-elevated);
}
.news-list-body {
    padding: 20px 24px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.news-list-date {
    font-size: 15px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 10px;
}
.news-list-title {
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-list-summary {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.news-list-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    color: var(--accent-light);
    transition: gap .2s ease;
}
.news-list-link:hover {
    gap: 10px;
}

/* ========== 分页 ========== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 48px;
    padding-top: 32px;
}
.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    transition: all .2s ease;
}
.pagination a {
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
}
.pagination a:hover {
    color: var(--accent);
    border-color: rgba(240,160,80,0.3);
    background: rgba(240,160,80,0.05);
}
.pagination span.current {
    color: #fff;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    font-weight: 600;
}
.pagination span.ellipsis {
    color: var(--text-muted);
    background: transparent;
    border: none;
}
.pagination a.disabled {
    color: var(--text-muted);
    pointer-events: none;
    opacity: .4;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.category-post-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--duration) var(--ease-out);
}
.category-post-card:hover {
    border-color: rgba(240,160,80,0.2);
    transform: translateY(-2px);
}
.category-post-image {
    height: 180px;
    background: var(--bg-elevated);
}
.category-post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.category-post-image-placeholder {
    background: var(--bg-elevated);
}
.category-post-body {
    padding: 20px;
}
.category-post-body h3 {
    margin-bottom: 8px;
}
.category-post-body h3 a:hover {
    color: var(--accent-light);
}
.category-post-body p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.category-post-date {
    color: var(--text-muted);
}
.error-page {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.error-code {
    font-family: var(--font-display);
    font-size: 120px;
    font-weight: 700;
    line-height: 1;
    color: var(--accent);
    margin-bottom: 16px;
}
.error-content h1 {
    font-size: 24px;
    margin-bottom: 12px;
}
.error-content p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}
.error-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}
@media (max-width: 1024px) {
    .container {
        padding: 0 28px;
    }
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
        padding: 0 28px;
    }
    .hero-inner {
        max-width: none;
        order: 2;
        width: 100%;
        padding-left: 0;
    }
    .hero-visual {
        order: 1;
        width: 100%;
        display: flex;
        justify-content: center;
        padding-right: 0;
    }
    .hero-eyebrow, .hero-actions {
        justify-content: center;
    }
    .hero-desc {
        margin: 0 auto 36px;
    }
    .hero-stats {
        justify-content: center;
    }
    .hero-frame {
        max-width: 480px;
    }
    .hero-scroll-hint {
        display: none;
    }
    .section {
        padding: 80px 0;
    }
    .pain-grid, .services-grid, .solutions-grid, .pricing-grid, .cases-grid, .testimonials-grid, .products-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .why-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    .process-steps::before {
        display: none;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .contact-row {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-hero .container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    .about-hero-inner {
        max-width: none;
        order: 2;
    }
    .about-hero-visual {
        order: 1;
    }
    .about-hero-eyebrow {
        justify-content: center;
    }
    .about-hero-stats {
        justify-content: center;
    }
    .about-hero-frame {
        max-width: 360px;
    }
    .about-info-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    .about-info-steps::before {
        display: none;
    }
    .detail-layout {
        grid-template-columns: 1fr;
    }
    .detail-sidebar {
        order: -1;
    }
    .news-list-layout {
        grid-template-columns: repeat(2, 1fr);
    }
    .news-list-image {
        height: 200px;
    }
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .pagination {
        gap: 6px;
    }
    .pagination a,
    .pagination span {
        min-width: 36px;
        height: 36px;
        font-size: 15px;
    }
}
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    .nav ul, .nav-right {
        display: none;
    }
    .mobile-menu-btn {
        display: flex;
    }
    .hero {
        min-height: 100vh;
        padding: 100px 0 60px;
    }
    .hero-title {
        font-size: 36px;
    }
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    .stat-divider {
        width: 36px;
        height: 1px;
        margin: 0;
    }
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    .section {
        padding: 60px 0;
    }
    .section-heading {
        font-size: 28px;
    }
    .pain-grid, .services-grid, .solutions-grid, .pricing-grid, .why-grid, .cases-grid, .testimonials-grid, .products-grid, .news-grid, .faq-grid {
        grid-template-columns: 1fr;
    }
    .pain-grid {
        grid-template-columns: 1fr;
    }
    .process-steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .contact-row {
        grid-template-columns: 1fr;
    }
    .cta-card {
        padding: 48px 28px;
    }
    .cta-card-actions {
        flex-direction: column;
        align-items: center;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .footer-bottom-content {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    .category-grid {
        grid-template-columns: 1fr;
    }
    .news-list-layout {
        grid-template-columns: 1fr;
    }
    .pagination a,
    .pagination span {
        min-width: 32px;
        height: 32px;
        font-size: 15px;
        padding: 0 8px;
    }
}
@media (max-width: 480px) {
    .hero-title {
        font-size: 30px;
    }
    .top-left {
        display: none;
    }
    .cta-card {
        padding: 36px 20px;
    }
    .why-item {
        flex-direction: column;
        gap: 14px;
    }
    .about-hero {
        min-height: auto;
        padding: 120px 0 60px;
    }
    .about-hero-title {
        font-size: 32px;
    }
    .about-hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    .about-info-steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}
.anim-hidden {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.anim-visible {
    opacity: 1;
    transform: translateY(0);
}
.solution-card:nth-child(1) { transition-delay: 0.05s; }
.solution-card:nth-child(2) { transition-delay: 0.10s; }
.solution-card:nth-child(3) { transition-delay: 0.15s; }
.solution-card:nth-child(4) { transition-delay: 0.20s; }
.solution-card:nth-child(5) { transition-delay: 0.25s; }
.solution-card:nth-child(6) { transition-delay: 0.30s; }
.service-card:nth-child(1) { transition-delay: 0.05s; }
.service-card:nth-child(2) { transition-delay: 0.10s; }
.service-card:nth-child(3) { transition-delay: 0.15s; }
.service-card:nth-child(4) { transition-delay: 0.20s; }
.service-card:nth-child(5) { transition-delay: 0.25s; }
.service-card:nth-child(6) { transition-delay: 0.30s; }
.pain-card:nth-child(1) { transition-delay: 0.05s; }
.pain-card:nth-child(2) { transition-delay: 0.15s; }
.pain-card:nth-child(3) { transition-delay: 0.25s; }
.pricing-card:nth-child(1) { transition-delay: 0.05s; }
.pricing-card:nth-child(2) { transition-delay: 0.15s; }
.pricing-card:nth-child(3) { transition-delay: 0.25s; }
.case-card:nth-child(1) { transition-delay: 0.05s; }
.case-card:nth-child(2) { transition-delay: 0.15s; }
.case-card:nth-child(3) { transition-delay: 0.25s; }
.why-item:nth-child(1) { transition-delay: 0.05s; }
.why-item:nth-child(2) { transition-delay: 0.15s; }
.why-item:nth-child(3) { transition-delay: 0.25s; }
.why-item:nth-child(4) { transition-delay: 0.35s; }
.process-step:nth-child(1) { transition-delay: 0.05s; }
.process-step:nth-child(2) { transition-delay: 0.15s; }
.process-step:nth-child(3) { transition-delay: 0.25s; }
.process-step:nth-child(4) { transition-delay: 0.35s; }
.testimonial-card:nth-child(1) { transition-delay: 0.05s; }
.testimonial-card:nth-child(2) { transition-delay: 0.15s; }
.testimonial-card:nth-child(3) { transition-delay: 0.25s; }
.news-card:nth-child(1) { transition-delay: 0.05s; }
.news-card:nth-child(2) { transition-delay: 0.15s; }
.news-card:nth-child(3) { transition-delay: 0.25s; }
.faq-item:nth-child(odd) { transition-delay: 0.05s; }
.faq-item:nth-child(even) { transition-delay: 0.15s; }
.cta-card.anim-hidden {
    transform: translateY(40px);
}
.cta-card.anim-visible {
    transform: translateY(0);
}
.contact-item:nth-child(1) { transition-delay: 0.05s; }
.contact-item:nth-child(2) { transition-delay: 0.15s; }
.contact-item:nth-child(3) { transition-delay: 0.25s; }
.section-label.anim-hidden, .section-heading.anim-hidden {
    opacity: 0;
    transform: translateY(20px);
}
.section-label.anim-visible, .section-heading.anim-visible {
    opacity: 1;
    transform: translateY(0);
}
.section-heading.anim-hidden { transition-delay: 0.08s; }
.btn svg {
    transition: transform 0.3s var(--ease-out);
}
.btn:hover svg {
    transform: translateX(3px);
}
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
    transition: all 0.3s var(--ease-out);
    transform: translateX(-50%);
}
.nav-link:hover::after, .nav-link.active::after {
    width: 16px;
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ==================== GEO 栏目页样式 ==================== */

/* section-header 通用居中 */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
}
.section-header h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}
.section-header .section-desc {
    color: var(--text-secondary);
    line-height: 1.7;
}

.geo-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 120px 0 80px;
}
.geo-hero-bg { position: absolute; inset: 0; z-index: 0; }
.geo-hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
}
.geo-hero-glow-1 {
    width: 600px; height: 600px;
    background: var(--accent);
    top: -200px; right: -100px;
    animation: geoGlowFloat 8s ease-in-out infinite;
}
.geo-hero-glow-2 {
    width: 400px; height: 400px;
    background: #4a90d9;
    bottom: -100px; left: -100px;
    animation: geoGlowFloat 6s ease-in-out infinite reverse;
}
@keyframes geoGlowFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -20px) scale(1.1); }
}
.geo-hero-content { position: relative; z-index: 1; text-align: center; max-width: 900px; }
.geo-hero-badge { margin-bottom: 24px; }
.geo-hero-tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(240,160,80,0.2), rgba(240,160,80,0.08));
    border: 1px solid rgba(240,160,80,0.3);
    color: var(--accent);
    padding: 8px 24px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.5px;
}
.geo-hero-title {
    font-size: 52px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}
.geo-hero-desc {
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto 40px;
}
.geo-hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 48px;
    position: relative;
}
.geo-hero-stats::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}
.geo-hero-stat {
    text-align: center;
    padding: 0 30px;
    position: relative;
    z-index: 1;
    background: var(--bg-primary);
}
.geo-hero-stat-num {
    display: block;
    font-size: 36px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.02em;
}
.geo-hero-stat-label {
    display: block;
    font-size: 16px;
    color: var(--text-muted);
    margin-top: 4px;
}
.geo-hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}
.geo-hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 15px;
    opacity: 0.6;
    animation: geoBounce 2s ease-in-out infinite;
}
@keyframes geoBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* GEO 为什么需要 */
.geo-section { padding: 100px 0; }
.geo-section-alt { padding: 100px 0; background: var(--bg-secondary); }
.geo-why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 48px;
}
.geo-why-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: all 0.3s var(--ease-out);
}
.geo-why-card:hover {
    border-color: rgba(240,160,80,0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.geo-why-icon { margin-bottom: 20px; }
.geo-why-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}
.geo-why-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* GEO 服务 */
.geo-service-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 48px;
}
.geo-service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    position: relative;
    transition: all 0.3s var(--ease-out);
}
.geo-service-card:hover {
    border-color: rgba(240,160,80,0.3);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.geo-service-num {
    font-size: 48px;
    font-weight: 900;
    color: rgba(240,160,80,0.1);
    position: absolute;
    top: 20px;
    right: 28px;
    letter-spacing: -0.03em;
}
.geo-service-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}
.geo-service-card > p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}
.geo-service-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.geo-service-list li {
    color: var(--text-muted);
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}
.geo-service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0.6;
}

/* GEO 适用场景 */
.geo-target-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 48px;
}
.geo-target-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.3s var(--ease-out);
}
.geo-target-card:hover {
    border-color: rgba(240,160,80,0.3);
    transform: translateY(-2px);
}
.geo-target-card h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}
.geo-target-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* GEO FAQ */
.geo-faq-list { margin-top: 48px; }
.geo-faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    margin-bottom: 16px;
    transition: all 0.3s var(--ease-out);
}
.geo-faq-item:hover {
    border-color: rgba(240,160,80,0.2);
}
.geo-faq-item h3 {
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 10px;
}
.geo-faq-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* GEO CTA */
.geo-cta { padding: 80px 0; background: var(--bg-primary); }
.geo-cta-card {
    background: linear-gradient(135deg, rgba(240,160,80,0.08), rgba(240,160,80,0.02));
    border: 1px solid rgba(240,160,80,0.2);
    border-radius: var(--radius-xl);
    padding: 60px;
    text-align: center;
}
.geo-cta-card h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
}
.geo-cta-card p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* GEO 响应式 */
@media (max-width: 768px) {
    .geo-hero { min-height: auto; padding: 100px 0 60px; }
    .geo-hero-title { font-size: 30px; }
    .geo-hero-stats { flex-direction: column; gap: 24px; }
    .geo-hero-stats::before { display: none; }
    .geo-hero-stat-num { font-size: 28px; }
    .geo-hero-actions { flex-direction: column; align-items: center; }
    .geo-why-grid { grid-template-columns: 1fr; }
    .geo-service-grid { grid-template-columns: 1fr; }
    .geo-target-grid { grid-template-columns: repeat(2, 1fr); }
    .geo-cta-card { padding: 36px 24px; }
    .geo-cta-card h2 { font-size: 24px; }
}
@media (max-width: 480px) {
    .geo-target-grid { grid-template-columns: 1fr; }
}