/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
}

/* 头部 */
.header {
    background: rgba(255,255,255,0.85);
    backdrop-filter: saturate(180%) blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

.header.scrolled {
    background: rgba(255,255,255,0.95);
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #2563eb;
}

.nav a {
    margin-left: 30px;
    color: #666;
    font-size: 16px;
}

.nav a:hover {
    color: #2563eb;
}

/* Hero Banner */
.hero {
    position: relative;
    background: linear-gradient(135deg, #0ea5e9, #2563eb, #7c3aed);
    background-size: 300% 300%;
    animation: gradientMove 18s ease infinite;
    color: #fff;
    padding: 160px 0 100px;
    text-align: center;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(600px 200px at 20% 20%, rgba(255,255,255,0.15) 0%, transparent 60%),
                radial-gradient(400px 160px at 80% 30%, rgba(255,255,255,0.12) 0%, transparent 60%);
    pointer-events: none;
}

.hero::after {
    content: "";
    position: absolute;
    right: 10%;
    top: 10%;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    filter: blur(40px);
    background: radial-gradient(closest-side, rgba(255,255,255,0.28), rgba(255,255,255,0.06));
    animation: blobFloat 10s ease-in-out infinite;
    pointer-events: none;
}

@keyframes blobFloat {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-40px, 20px) scale(1.05); }
    100% { transform: translate(0, 0) scale(1); }
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: 0.5px;
    background: linear-gradient(90deg, #ffffff, #e5e7eb);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    font-size: 20px;
    opacity: 0.9;
}

.btn-primary {
    display: inline-block;
    margin-top: 24px;
    padding: 12px 24px;
    border-radius: 999px;
    background: #111827;
    color: #fff;
    font-weight: 600;
    box-shadow: 0 8px 20px rgba(17,24,39,0.25);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 30px rgba(17,24,39,0.3);
    background: #0b1220;
}

@keyframes gradientMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 通用区块 */
.section {
    padding: 80px 0;
}

.bg-gray {
    background-color: #f9fafb;
}

.section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: #2563eb;
    margin: 15px auto 0;
}

.content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    color: #555;
}

.content p {
    margin-bottom: 20px;
}

/* 业务卡片 */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: rgba(255,255,255,0.7);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(17,24,39,0.08);
    border: 1px solid rgba(255,255,255,0.4);
    backdrop-filter: saturate(160%) blur(8px);
    text-align: center;
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.card:hover {
    transform: translateY(-6px) scale(1.02) rotateX(1.2deg);
    box-shadow: 0 20px 40px rgba(17,24,39,0.12);
}

.card h3 {
    margin-bottom: 15px;
    color: #1f2937;
}

.card p {
    color: #6b7280;
}

/* 联系方式 */
.contact-info {
    text-align: center;
    font-size: 18px;
}

.contact-info p {
    margin-bottom: 10px;
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 600ms ease, transform 600ms ease;
}

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

/* 底部 */
.footer {
    background: #1f2937;
    color: #9ca3af;
    padding: 40px 0;
    text-align: center;
    font-size: 14px;
}

.beian {
    margin-top: 10px;
}

.beian a:hover {
    color: #fff;
}

.nav a.active {
    color: #2563eb;
    border-bottom: 2px solid #2563eb;
    padding-bottom: 4px;
}

body {
    background: radial-gradient(1200px 600px at 20% 10%, rgba(37, 99, 235, 0.10) 0%, transparent 60%),
                radial-gradient(900px 450px at 90% 20%, rgba(124, 58, 237, 0.10) 0%, transparent 55%),
                #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.header {
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.header .container {
    gap: 18px;
}

.nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    margin-left: auto;
}

.nav a {
    margin-left: 18px;
    padding: 8px 10px;
    border-radius: 999px;
    transition: background 0.2s ease, color 0.2s ease;
}

.nav a:hover {
    background: rgba(37, 99, 235, 0.10);
}

.nav a.active {
    border-bottom: none;
    padding-bottom: 8px;
    background: rgba(37, 99, 235, 0.12);
}

.nav-cta {
    margin-left: 12px;
    padding: 10px 14px;
    border-radius: 999px;
    background: #111827;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    box-shadow: 0 10px 22px rgba(17,24,39,0.18);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    white-space: nowrap;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(17,24,39,0.22);
    background: #0b1220;
}

.hero {
    text-align: left;
}

.hero .container {
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 34px;
    align-items: center;
}

.kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255,255,255,0.14);
    border: 1px solid rgba(255,255,255,0.18);
    color: rgba(255,255,255,0.92);
    font-weight: 600;
    letter-spacing: 0.2px;
    width: fit-content;
    margin-bottom: 16px;
}

.hero-copy h1 {
    margin-bottom: 18px;
}

.hero-copy p {
    max-width: 42ch;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
}

.hero-actions .btn-primary,
.hero-actions .btn-secondary {
    margin-top: 0;
}

.btn-secondary {
    display: inline-block;
    margin-top: 24px;
    padding: 12px 22px;
    border-radius: 999px;
    background: rgba(255,255,255,0.14);
    border: 1px solid rgba(255,255,255,0.24);
    color: #fff;
    font-weight: 600;
    transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    background: rgba(255,255,255,0.18);
    border-color: rgba(255,255,255,0.32);
}

.hero-badges {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.badge {
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(17,24,39,0.26);
    border: 1px solid rgba(255,255,255,0.18);
    color: rgba(255,255,255,0.92);
    font-weight: 600;
    font-size: 13px;
}

.badge:hover {
    background: rgba(17,24,39,0.33);
    box-shadow: 0 0 0 3px rgba(255,255,255,0.10);
}

.hero-panel {
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 18px;
    padding: 22px 22px 18px;
    backdrop-filter: saturate(160%) blur(10px);
    box-shadow: 0 24px 60px rgba(2, 6, 23, 0.25);
}

.panel-title {
    font-weight: 800;
    letter-spacing: 0.2px;
    font-size: 18px;
    margin-bottom: 6px;
    color: rgba(255,255,255,0.98);
}

.panel-subtitle {
    color: rgba(255,255,255,0.80);
    font-size: 14px;
    line-height: 1.7;
}

.panel-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.metric {
    border-radius: 14px;
    padding: 12px 12px 10px;
    background: rgba(17,24,39,0.20);
    border: 1px solid rgba(255,255,255,0.14);
}

.metric-num {
    font-weight: 900;
    letter-spacing: 0.4px;
    color: rgba(255,255,255,0.98);
    font-size: 16px;
    margin-bottom: 4px;
}

.metric-label {
    color: rgba(255,255,255,0.80);
    font-size: 13px;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
    align-items: start;
}

.about-grid .content {
    text-align: left;
    max-width: none;
    margin: 0;
}

.about-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.mini-card {
    background: rgba(255,255,255,0.8);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 14px;
    padding: 16px;
    box-shadow: 0 10px 30px rgba(17,24,39,0.06);
}

.mini-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.10);
    margin-bottom: 10px;
    font-size: 18px;
}

.mini-title {
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 6px;
}

.mini-desc {
    color: #475569;
    font-size: 14px;
    line-height: 1.7;
}

.card {
    border-radius: 16px;
    padding: 34px;
}

.card-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.10);
    margin: 0 auto 14px;
    font-size: 20px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.feature {
    background: rgba(255,255,255,0.85);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 16px;
    padding: 18px 18px 16px;
    box-shadow: 0 10px 30px rgba(17,24,39,0.06);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.feature:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 44px rgba(17,24,39,0.10);
}

.feature-title {
    font-weight: 900;
    color: #0f172a;
    margin-bottom: 8px;
}

.feature-desc {
    color: #475569;
    font-size: 14px;
    line-height: 1.8;
}

.cta {
    margin-top: 26px;
    border-radius: 18px;
    padding: 26px;
    background: radial-gradient(800px 300px at 20% 30%, rgba(37, 99, 235, 0.16) 0%, transparent 60%),
                radial-gradient(650px 260px at 80% 20%, rgba(124, 58, 237, 0.16) 0%, transparent 60%),
                rgba(15, 23, 42, 0.02);
    border: 1px solid rgba(15, 23, 42, 0.08);
    text-align: center;
}

.cta-title {
    font-size: 20px;
    font-weight: 900;
    color: #0f172a;
}

.cta-desc {
    margin-top: 8px;
    color: #475569;
}

.cta .btn-primary {
    margin-top: 18px;
}

.contact-card {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 18px;
    border-radius: 18px;
    padding: 22px;
    background: rgba(255,255,255,0.85);
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 16px 44px rgba(17,24,39,0.08);
}

.contact-kicker {
    color: #2563eb;
    font-weight: 800;
    letter-spacing: 0.2px;
    margin-bottom: 10px;
}

.contact-title {
    font-size: 20px;
    font-weight: 900;
    color: #0f172a;
}

.contact-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.contact-actions .btn-primary,
.contact-actions .btn-secondary {
    margin-top: 0;
}

.contact-info {
    text-align: left;
    font-size: 16px;
    color: #334155;
}

.contact-info strong {
    color: #0f172a;
}

/* 合作伙伴横向滚动 */
.partners {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(255,255,255,0.85);
    box-shadow: 0 10px 30px rgba(17,24,39,0.06);
    padding: 10px 0;
}

.marquee {
    display: flex;
    gap: 18px;
    align-items: center;
    animation: marquee 22s linear infinite;
    will-change: transform;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.logo-item {
    min-width: 140px;
    height: 56px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: #0f172a;
    background:
      linear-gradient(#fff, #fff) padding-box,
      linear-gradient(135deg, rgba(37,99,235,0.35), rgba(124,58,237,0.35)) border-box;
    border: 1px solid transparent;
    filter: saturate(120%) contrast(105%);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.logo-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(17,24,39,0.12);
}

@media (max-width: 980px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    .hero {
        padding: 140px 0 90px;
        text-align: center;
    }
    .hero-copy p {
        margin: 0 auto;
    }
    .hero-actions {
        justify-content: center;
    }
    .hero-badges {
        justify-content: center;
    }
    .kicker {
        margin-left: auto;
        margin-right: auto;
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
    .about-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .contact-card {
        grid-template-columns: 1fr;
    }
    .logo-item {
        min-width: 120px;
        height: 48px;
    }
}

@media (max-width: 560px) {
    .header .container {
        height: auto;
        padding-top: 10px;
        padding-bottom: 10px;
    }
    .logo {
        font-size: 18px;
    }
    .nav {
        width: 100%;
        justify-content: flex-start;
        margin-left: 0;
    }
    .nav a {
        margin-left: 0;
        margin-right: 8px;
        padding: 8px 10px;
        font-size: 14px;
    }
    .nav-cta {
        display: none;
    }
    .hero h1 {
        font-size: 36px;
    }
    .hero p {
        font-size: 16px;
    }
    .section {
        padding: 64px 0;
    }
    .section-title {
        font-size: 26px;
    }
    .grid {
        grid-template-columns: 1fr;
    }
    .about-cards {
        grid-template-columns: 1fr;
    }
    .feature-grid {
        grid-template-columns: 1fr;
    }
    .marquee {
        gap: 12px;
    }
    .logo-item {
        min-width: 100px;
        height: 44px;
        border-radius: 12px;
        font-size: 12px;
    }
}