:root {
    --brand: #7357ff;
    --brand-dark: #5137e8;
    --brand-soft: #f2efff;
    --text: #17152c;
    --muted: #6f6b82;
    --line: #eceaf4;
    --surface: #fff;
    --page: #fafaff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--text);
    background: var(--page);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.site-container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 72px;
    border-bottom: 1px solid rgba(231, 228, 244, .78);
    background: rgba(255, 255, 255, .88);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
}
.header-inner, .footer-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.site-brand { min-width: 0; display: inline-flex; align-items: center; gap: 11px; }
.brand-logo {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex: 0 0 auto;
    border-radius: 13px;
    background: linear-gradient(145deg, #f0ecff, #ded8ff);
    box-shadow: 0 8px 22px rgba(102, 78, 236, .16);
}
.brand-logo img { width: 100%; height: 100%; object-fit: cover; }
.brand-name {
    max-width: 280px;
    overflow: hidden;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.site-nav { display: flex; align-items: center; gap: 30px; font-size: 14px; font-weight: 500; }
.site-nav > a:not(.nav-primary):hover { color: var(--brand); }
.nav-login { color: #504c61; }
.nav-primary {
    padding: 11px 23px;
    color: #fff;
    border-radius: 11px;
    background: linear-gradient(135deg, #8267ff, #6548ee);
    box-shadow: 0 9px 24px rgba(102, 72, 238, .22);
}

.hero-section {
    position: relative;
    overflow: hidden;
    padding: 92px 0 105px;
    background: linear-gradient(180deg, #fff 0%, #f7f5ff 72%, #fafaff 100%);
}
.hero-section::before {
    position: absolute;
    inset: 0;
    content: "";
    opacity: .38;
    background-image: radial-gradient(#a99bf0 1px, transparent 1px);
    background-size: 28px 28px;
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .56), transparent 76%);
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .56), transparent 76%);
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(10px); pointer-events: none; }
.hero-glow-left { width: 420px; height: 420px; top: 38px; left: -260px; background: rgba(181, 164, 255, .23); }
.hero-glow-right { width: 520px; height: 520px; right: -290px; bottom: -120px; background: rgba(119, 181, 255, .18); }
.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, .92fr) minmax(500px, 1.08fr);
    align-items: center;
    gap: 70px;
}
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 8px 14px;
    color: #5d46cf;
    border: 1px solid #ded7ff;
    border-radius: 999px;
    background: rgba(246, 243, 255, .9);
    font-size: 13px;
    font-weight: 600;
}
.hero-eyebrow i { width: 7px; height: 7px; border-radius: 50%; background: #7c5cff; box-shadow: 0 0 0 4px rgba(124, 92, 255, .14); }
.hero-copy h1 { margin: 26px 0 24px; font-size: clamp(44px, 4.8vw, 68px); line-height: 1.13; letter-spacing: -2.5px; }
.hero-copy h1 span {
    color: transparent;
    background: linear-gradient(100deg, #6d4df4 2%, #876dff 52%, #5489f4 100%);
    -webkit-background-clip: text;
    background-clip: text;
}
.hero-copy > p { max-width: 565px; margin: 0; color: var(--muted); font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; gap: 14px; margin-top: 34px; }
.button {
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 0 27px;
    border-radius: 13px;
    font-size: 15px;
    font-weight: 600;
    transition: transform .22s ease, box-shadow .22s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: linear-gradient(135deg, #8063ff, #6244e8); box-shadow: 0 13px 30px rgba(102, 72, 232, .28); }
.button-secondary { color: #4f4b61; border: 1px solid #dfdbea; background: rgba(255, 255, 255, .84); }
.hero-summary { display: flex; align-items: center; gap: 22px; margin-top: 40px; }
.hero-summary div { display: flex; flex-direction: column; gap: 4px; }
.hero-summary strong { font-size: 20px; }
.hero-summary span { color: #858094; font-size: 12px; }
.hero-summary > i { width: 1px; height: 34px; background: #dedbe8; }

.hero-visual { position: relative; padding: 28px 18px; }
.visual-panel {
    position: relative;
    overflow: hidden;
    padding: 22px;
    border: 1px solid rgba(223, 218, 245, .9);
    border-radius: 28px;
    background: rgba(255, 255, 255, .91);
    box-shadow: 0 35px 80px rgba(78, 61, 148, .16);
}
.visual-topbar, .visual-brand { display: flex; align-items: center; }
.visual-topbar { justify-content: space-between; margin-bottom: 18px; }
.visual-brand { min-width: 0; gap: 9px; font-size: 14px; font-weight: 700; }
.visual-brand img { width: 30px; height: 30px; border-radius: 9px; object-fit: cover; }
.visual-brand span { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.visual-status { padding: 6px 10px; color: #7356eb; border-radius: 999px; background: #f0edff; font-size: 11px; }
.visual-banner {
    position: relative;
    min-height: 214px;
    overflow: hidden;
    border-radius: 20px;
    background: linear-gradient(125deg, #f1eeff, #edf5ff);
}
.visual-banner > img {
    position: absolute;
    inset: 0 0 0 auto;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 1;
}
.visual-tools { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 16px; }
.visual-tools > div {
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 9px;
    padding: 17px 5px 14px;
    border: 1px solid #efedf5;
    border-radius: 15px;
    background: #fff;
}
.visual-tools img { width: 31px; height: 31px; object-fit: contain; }
.visual-tools span { max-width: 100%; overflow: hidden; color: #4e4a5b; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.floating-card {
    position: absolute;
    z-index: 4;
    display: flex;
    align-items: center;
    border: 1px solid rgba(224, 219, 246, .88);
    border-radius: 14px;
    background: rgba(255, 255, 255, .94);
    box-shadow: 0 16px 40px rgba(73, 58, 133, .16);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}
.floating-card-top { top: 0; right: -22px; gap: 10px; padding: 12px 16px; font-size: 12px; font-weight: 600; }
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: #7759f4; box-shadow: 0 0 0 5px rgba(119, 89, 244, .12); }
.floating-card-bottom { bottom: 0; left: -12px; gap: 11px; padding: 12px 18px 12px 12px; }
.floating-card-bottom b { width: 34px; height: 34px; display: grid; place-items: center; color: #fff; border-radius: 10px; background: linear-gradient(135deg, #7a5ef6, #5c8bf0); }
.floating-card-bottom span { font-size: 12px; font-weight: 700; line-height: 1.4; }
.floating-card-bottom small { color: #8a8498; font-weight: 400; }

.features-section { padding: 104px 0 112px; }
.section-heading { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-heading > span, .cta-card > div > span { color: var(--brand); font-size: 13px; font-weight: 700; letter-spacing: 2px; }
.section-heading h2 { margin: 14px 0; font-size: clamp(32px, 4vw, 44px); letter-spacing: -1px; }
.section-heading p { margin: 0; color: var(--muted); font-size: 16px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.feature-card {
    min-height: 252px;
    padding: 28px 25px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--surface);
    box-shadow: 0 12px 36px rgba(54, 45, 93, .045);
    transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}
.feature-card:hover { z-index: 1; border-color: #d8d0ff; box-shadow: 0 20px 48px rgba(74, 55, 154, .1); transform: translateY(-6px); }
.feature-primary { background: linear-gradient(155deg, #fff 20%, #f4f1ff 100%); }
.feature-icon { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 17px; background: var(--brand-soft); }
.feature-icon img { width: 36px; height: 36px; object-fit: contain; }
.feature-card h3 { margin: 24px 0 12px; font-size: 19px; }
.feature-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; }

.cta-section { padding: 0 0 92px; }
.cta-card {
    min-height: 240px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    overflow: hidden;
    padding: 48px 58px;
    color: #fff;
    border-radius: 28px;
    background: radial-gradient(circle at 82% -20%, rgba(173, 194, 255, .44), transparent 42%), linear-gradient(120deg, #5739da, #795cf3 58%, #537fe8);
    box-shadow: 0 26px 65px rgba(87, 57, 218, .22);
}
.cta-card > div > span { color: #ded7ff; }
.cta-card h2 { margin: 12px 0; font-size: 33px; }
.cta-card p { margin: 0; color: rgba(255, 255, 255, .76); }
.button-light { flex: 0 0 auto; color: #5f45dc; background: #fff; box-shadow: 0 12px 28px rgba(48, 28, 139, .22); }

.site-footer { min-height: 112px; color: #8a8698; border-top: 1px solid var(--line); background: #fff; }
.footer-brand .brand-logo { width: 34px; height: 34px; border-radius: 10px; }
.footer-brand .brand-name { font-size: 16px; }
.footer-inner p { margin: 0; font-size: 13px; }
.footer-inner p a:hover { color: var(--brand); }

@media (max-width: 1050px) {
    .hero-inner { grid-template-columns: 1fr; gap: 58px; }
    .hero-copy { max-width: 760px; margin: 0 auto; text-align: center; }
    .hero-copy > p { margin: 0 auto; }
    .hero-actions, .hero-summary { justify-content: center; }
    .hero-visual { width: min(690px, 100%); margin: 0 auto; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
    .site-container { width: min(100% - 30px, 1180px); }
    .site-header { height: 64px; }
    .brand-logo { width: 37px; height: 37px; border-radius: 11px; }
    .brand-name { max-width: 135px; font-size: 17px; }
    .site-nav { gap: 10px; }
    .site-nav > a:first-child, .nav-login { display: none; }
    .nav-primary { padding: 9px 16px; }
    .hero-section { padding: 60px 0 76px; }
    .hero-copy h1 { margin-top: 22px; font-size: 42px; letter-spacing: -1.5px; }
    .hero-copy > p { font-size: 16px; line-height: 1.75; }
    .hero-actions { flex-direction: column; }
    .hero-actions .button { width: 100%; }
    .hero-summary { gap: 13px; }
    .hero-summary > i { height: 28px; }
    .hero-summary strong { font-size: 17px; }
    .hero-summary span { font-size: 10px; }
    .hero-visual { padding: 16px 0; }
    .visual-panel { padding: 14px; border-radius: 21px; }
    .visual-banner { min-height: 164px; }
    .visual-tools { gap: 7px; }
    .visual-tools > div { padding: 12px 2px 10px; }
    .visual-tools img { width: 26px; height: 26px; }
    .floating-card-top { right: -6px; }
    .floating-card-bottom { left: -5px; }
    .features-section { padding: 76px 0 82px; }
    .section-heading { margin-bottom: 34px; }
    .feature-grid { grid-template-columns: 1fr; gap: 14px; }
    .feature-card { min-height: 0; padding: 24px; }
    .cta-section { padding-bottom: 66px; }
    .cta-card { min-height: 0; flex-direction: column; align-items: flex-start; padding: 36px 27px; border-radius: 22px; }
    .cta-card h2 { font-size: 27px; }
    .button-light { width: 100%; }
    .site-footer { padding: 28px 0; }
    .footer-inner { flex-direction: column; gap: 18px; text-align: center; }
}
