* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, "Microsoft YaHei", sans-serif;
    background: #ffffff;
    color: #101828;
    line-height: 1.6;
}

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

.container {
    width: 92%;
    max-width: 1180px;
    margin: 0 auto;
}

/* Header */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(11,16,32,.92);
    backdrop-filter: blur(14px);
    z-index: 999;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.header-inner {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: #fff;
}

.logo span {
    color: #2f6bff;
}

.nav {
    display: flex;
    align-items: center;
    gap: 26px;
}

.nav a {
    color: #d8e0f0;
    font-size: 15px;
    transition: .25s;
    white-space: nowrap;
}

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

.header-btn {
    background: linear-gradient(135deg,#2f6bff,#5b8cff);
    color: #fff !important;
    padding: 11px 22px;
    border-radius: 999px;
    font-weight: 700;
}

/* Hero */

.hero {
    min-height: 780px;
    padding-top: 150px;
    padding-bottom: 90px;
    background:
    radial-gradient(circle at 76% 34%, rgba(47,107,255,.34), transparent 31%),
    radial-gradient(circle at 18% 78%, rgba(91,140,255,.16), transparent 28%),
    linear-gradient(135deg,#0b1020 0%,#121b31 52%,#f4f7fb 100%);
    color: #fff;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(47,107,255,.16);
    border: 1px solid rgba(91,140,255,.35);
    border-radius: 999px;
    margin-bottom: 28px;
    color: #a9c4ff;
    font-size: 14px;
}

.hero h1 {
    font-size: 56px;
    line-height: 1.16;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero h1 span {
    color: #5b8cff;
}

.hero p {
    font-size: 18px;
    color: #d6deef;
    margin-bottom: 36px;
    max-width: 680px;
}

.hero-actions {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.btn-primary {
    padding: 15px 30px;
    background: linear-gradient(135deg,#2f6bff,#4f83ff);
    color: #fff;
    border-radius: 999px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 28px rgba(47,107,255,.28);
    transition: .25s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 36px rgba(47,107,255,.36);
}

.btn-secondary {
    padding: 14px 28px;
    border: 1px solid rgba(255,255,255,.22);
    border-radius: 999px;
    color: #fff;
    transition: .25s;
}

.btn-secondary:hover {
    background: rgba(255,255,255,.08);
}

.hero-card {
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 32px;
    padding: 42px;
    backdrop-filter: blur(20px);
    box-shadow: 0 30px 80px rgba(0,0,0,.18);
}

.hero-circle {
    width: 270px;
    height: 270px;
    margin: 0 auto 30px;
    border-radius: 50%;
    background:
    radial-gradient(circle,#fff 0 42%,transparent 43%),
    conic-gradient(from 120deg,#2f6bff,#8ab0ff,#2f6bff);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-circle span {
    width: 132px;
    height: 132px;
    border-radius: 50%;
    background: #fff;
    color: #2f6bff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 46px;
    font-weight: 900;
}

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

.hero-stat {
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 18px;
    padding: 18px 14px;
    text-align: center;
}

.hero-stat strong {
    display: block;
    font-size: 24px;
}

.hero-stat small {
    color: #c8d2e6;
}

/* Sections */

.section {
    padding: 96px 0;
}

.section-light {
    background: #f6f8fc;
}

.section-dark {
    background: #0b1020;
    color: #fff;
}

.section-title {
    text-align: center;
    margin-bottom: 56px;
}

.section-title h2 {
    font-size: 40px;
    line-height: 1.25;
    margin-bottom: 14px;
    letter-spacing: -.5px;
}

.section-title p {
    max-width: 760px;
    margin: 0 auto;
    color: #667085;
}

.section-dark .section-title p {
    color: #98a2b3;
}

.title-line {
    width: 70px;
    height: 4px;
    background: #2f6bff;
    margin: 18px auto 0;
    border-radius: 10px;
}

/* Grid */

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 28px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 24px;
}

/* Cards */

.card {
    background: #fff;
    border: 1px solid #eef0f5;
    border-radius: 22px;
    padding: 32px;
    box-shadow: 0 12px 34px rgba(16,24,40,.04);
    transition: .25s;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 45px rgba(16,24,40,.08);
}

.card-icon {
    width: 54px;
    height: 54px;
    background: #eef4ff;
    color: #2f6bff;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    margin-bottom: 22px;
}

.card h3 {
    margin-bottom: 12px;
    font-size: 21px;
    line-height: 1.35;
}

.card p {
    color: #667085;
    font-size: 15.5px;
}

/* Dark cards */

.dark-card {
    background: rgba(255,255,255,.055);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 22px;
    padding: 30px;
    text-align: center;
    transition: .25s;
}

.dark-card:hover {
    background: rgba(255,255,255,.08);
    transform: translateY(-4px);
}

.dark-card .card-icon {
    margin-left: auto;
    margin-right: auto;
    background: rgba(47,107,255,.18);
    color: #8ab0ff;
}

.dark-card h3 {
    margin-bottom: 12px;
    font-size: 20px;
}

.dark-card p {
    color: #a5afc2;
    font-size: 15px;
}

/* Audience / Industry */

.audience-list {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 22px;
}

.audience-item {
    background: #fff;
    border: 1px solid #edf0f5;
    border-radius: 20px;
    padding: 28px;
    transition: .25s;
}

.audience-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 38px rgba(16,24,40,.06);
}

.audience-item strong {
    display: block;
    margin-bottom: 10px;
    font-size: 18px;
    color: #101828;
}

.audience-item p {
    color: #667085;
    font-size: 15.5px;
}

/* Process */

.process {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 22px;
}

.process-item {
    background: #fff;
    border: 1px solid #edf0f5;
    border-radius: 22px;
    padding: 30px 24px;
    text-align: center;
    transition: .25s;
}

.process-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 38px rgba(16,24,40,.06);
}

.process-num {
    width: 46px;
    height: 46px;
    background: #2f6bff;
    color: #fff;
    border-radius: 50%;
    margin: 0 auto 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
}

.process-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.process-item p {
    color: #667085;
    font-size: 15.5px;
}

/* FAQ */

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 24px;
}

.faq-item {
    background: #fff;
    border: 1px solid #edf0f5;
    border-radius: 20px;
    padding: 30px;
}

.faq-item h3 {
    margin-bottom: 12px;
    font-size: 20px;
}

.faq-item p {
    color: #667085;
    font-size: 15.5px;
}

/* CTA */

.cta {
    background:
    radial-gradient(circle at 20% 20%, rgba(91,140,255,.28), transparent 28%),
    linear-gradient(135deg,#0b1020,#142448);
    color: #fff;
    border-radius: 34px;
    padding: 70px 40px;
    text-align: center;
    overflow: hidden;
}

.cta h2 {
    font-size: 40px;
    margin-bottom: 18px;
}

.cta p {
    margin: 0 auto 30px;
    max-width: 720px;
    color: #d6deef;
}

/* Footer */

.footer {
    background: #050814;
    color: #fff;
    padding: 70px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 42px;
}

.footer h3 {
    font-size: 24px;
    margin-bottom: 14px;
}

.footer h4 {
    margin-bottom: 16px;
}

.footer p {
    color: #98a2b3;
    max-width: 420px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: #98a2b3;
    transition: .25s;
}

.footer-links a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    color: #667085;
}

/* Telegram */

.telegram-float {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 999;
    background: linear-gradient(135deg,#2f6bff,#26a5e4);
    color: #fff;
    padding: 14px 22px;
    border-radius: 999px;
    font-weight: 700;
    box-shadow: 0 14px 34px rgba(47,107,255,.34);
    transition: .25s;
}

.telegram-float:hover {
    transform: translateY(-3px);
}

/* Tablet */

@media(max-width:1024px){

    .nav {
        gap: 18px;
    }

    .nav a {
        font-size: 14px;
    }

    .hero-inner,
    .grid-3,
    .audience-list,
    .footer-grid {
        grid-template-columns: repeat(2,1fr);
    }

    .grid-4 {
        grid-template-columns: repeat(2,1fr);
    }

    .process {
        grid-template-columns: repeat(2,1fr);
    }

    .hero h1 {
        font-size: 46px;
    }

}

/* Mobile */

@media(max-width:768px){

    .container {
        width: 90%;
    }

    .header-inner {
        height: 66px;
    }

    .nav {
        display: none;
    }

    .hero {
        min-height: auto;
        padding-top: 120px;
        padding-bottom: 80px;
        background:
        radial-gradient(circle at 70% 20%, rgba(47,107,255,.26), transparent 34%),
        linear-gradient(135deg,#0b1020 0%,#121b31 78%,#18294a 100%);
    }

    .hero-inner,
    .grid-3,
    .grid-4,
    .audience-list,
    .process,
    .faq-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 38px;
    }

    .hero p {
        font-size: 16px;
    }

    .hero-card {
        padding: 30px 22px;
        border-radius: 26px;
    }

    .hero-circle {
        width: 220px;
        height: 220px;
    }

    .hero-circle span {
        width: 108px;
        height: 108px;
        font-size: 38px;
    }

    .section {
        padding: 72px 0;
    }

    .section-title {
        margin-bottom: 40px;
    }

    .section-title h2 {
        font-size: 30px;
    }

    .section-title p {
        font-size: 15.5px;
    }

    .card,
    .dark-card,
    .audience-item,
    .process-item,
    .faq-item {
        padding: 26px;
    }

    .cta {
        padding: 54px 24px;
        border-radius: 26px;
    }

    .cta h2 {
        font-size: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 10px;
    }

}

/* Small Mobile */

@media(max-width:480px){

    .logo {
        font-size: 22px;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero-badge {
        font-size: 13px;
        margin-bottom: 22px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .hero-stat strong {
        font-size: 22px;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .card h3,
    .process-item h3,
    .faq-item h3 {
        font-size: 19px;
    }

    .telegram-float {
        right: 16px;
        bottom: 16px;
        padding: 12px 18px;
        font-size: 14px;
    }

}